## Beacon Lesson Plan Library

### Lesson Plans - Learner Level 4: Mathematics

- 30-60-90 Right Triangles and Algebra (Authored by Johnny Wolfe.)
- A Perpendicular Pilgrimage (Authored by Mason Clark.)
- ABC's Transformer (Authored by Sherri Hampton.)
- Angles and Algebra (Authored by Johnny Wolfe.)
- Are We Sure They Are Parallel? (Authored by Xiuqing Li.)
- Are You a Radical or Just a Square Root? (Authored by Johnny Wolfe.)
- Arithmetic Sequence (Authored by Xiuqing Li.)
- Around and Around We Go (Authored by Johnny Wolfe.)
- Can You See the Music? (Authored by Warren Bell.)
- Central Tendencies and Normal Distribution Curve (Authored by Dan Schmidt.)
- Choosing a Summer Job (Authored by Dan Schmidt.)
- Chronic Conics (Authored by Steve Friedlander.)
- Close Your Math (Authored by Timothy Mark Dillehay.)
- Colorful Solutions (Authored by Sharla Shults.)
- Complexity (Authored by Johnny Wolfe.)
- Confusing Colors! (Authored by Kevin Holland.)
- Congruent Triangles Postulates (Authored by Timothy Mark Dillehay.)
- Creating Graphs from Tables (Authored by Rhonda Bray.)
- Decimals Make Cents (Authored by Sharla Shults.)
- Determing Angle Measure with Parallel Lines (Authored by Johnny Wolfe.)
- Determining Mercantile Volume of a Pine Tree (Authored by Lois Walsh.)
- Do Objects Vary Very Much? (Authored by John Fowler.)
- Doctor, Doctor, Give Me the News, I’ve Got a Bad Case of Loving Math (Authored by Becca Childress.)
- Does the Decimal Point Really Make a Difference? (Authored by Sharla Shults.)
- Does Your Rectangle Have Guts? (Authored by Johnny Wolfe.)
- Doing Battle with Radical Equations (Authored by Johnny Wolfe.)
- Drawing Straws (Authored by Timothy Mark Dillehay.)
- Enzymatic Action (Authored by Jacqueline Roberts.)
- Escape Velocity (Authored by Johnny Wolfe.)
- Escape! Survival of the Fittest Grasshopper (Authored by Lois Walsh.)
- Every Vote Counts (Authored by Brenda Heath.)
- EXCEL It! (Authored by Sharla Shults.)
- Exercise Those Statistics! (Authored by Kevin Holland.)
- Finding the Acceleration Due to Gravity (Authored by Phil Lee.)
- Finding the Measure of Segments (Authored by Johnny Wolfe.)
- Finding Your Stride Length (Authored by Kevin Holland.)
- Flowers and Rocks (Authored by Timothy Mark Dillehay.)
- Follow That Graph (Authored by Debbie Lloyd.)
- Gearing Up (Authored by Johnny Wolfe.)
- Geometric Sequence (Authored by Xiuqing Li.)
- Geometry Scavenger Hunt (Authored by Sandra Pickard.)
- Get the Picture with Graphs (Authored by Sharla Shults.)
- Glucose Factory (Authored by Jacqueline Roberts.)
- Going My Way (High School Math) (Authored by Johnny Wolfe.)
- Got Escher? (Tessellation) (Authored by Euconfra Corbit.)
- Graph Both Crusts (Authored by Lois Walsh.)
- GUM: More, Less, or the Same? (Authored by Lois Walsh.)
- Hot Time in the Classroom (Authored by Michael Hall.)
- Hover Above the Earth (Authored by Dawn Gott.)
- How Do You Measure a Triangle? (Authored by Johnny Wolfe.)
- How Do You Pay a Complement to an Angle? (Authored by Johnny Wolfe.)
- How Fast Does Your Race Car Go? (Authored by Johnny Wolfe.)
- How Fast Is It Traveling? (Authored by Obed Morales.)
- How Simple Is Your Rational Expression? (Authored by Johnny Wolfe.)
- How Tall is that Billboard? (Authored by Alan Kent.)
- How Tall Is That Flag Pole? (Authored by Amelia McCurdy.)
- Is Your Square Complete? (Authored by Johnny Wolfe.)
- Just Graph It! (Authored by Sharla Shults.)
- Least Common Multiples (Word Problems) (Authored by Timothy Mark Dillehay.)
- Let's Graph It! (Authored by Dirk Naegele.)
- Line Plots (Authored by Johnny Wolfe.)
- Lively Math (Authored by Sharla Shults.)
- Lyrics Statistics (Authored by Sharla Shults.)
- Magnetism and the Magnetic Force (Authored by J.P. Hamilton.)
- Make a Design by Plotting Points (Authored by Dan Schmidt.)
- Maximum Profit (Authored by Johnny Wolfe.)
- Measures of Central Tendency (High School) (Authored by Johnny Wolfe.)
- Measuring the Merchantable Height of a Tree (Authored by Jacqueline Roberts.)
- Mental Math Relay (Authored by Sandra Pickard.)
- Mixed Expressions and Complex Fractions (Authored by Johnny Wolfe.)
- Multiplying Rational Numbers (Authored by Johnny Wolfe.)
- Musical Math Challenge (Authored by Sharla Shults.)
- My Life in Numbers (Authored by Sandra Pickard.)
- Numbers Beyond Reason! (Authored by Cylle Rowell.)
- Old Poly Factoring (Authored by Kevin Holland.)
- Order in the Classroom (Authored by Dana Hopkins.)
- Pacing a Gunther Chain (Authored by Jacqueline Roberts.)
- Pairs of Angles (Authored by Johnny Wolfe.)
- Parallel and Perpendicular Lines (Authored by Johnny Wolfe.)
- Perfect Squares and Factoring (Authored by Johnny Wolfe.)
- Pi Day (March 14) (Authored by Dan Schmidt.)
- Pickles: Death in a Jar! (Authored by Darrin Minns.)
- Poetic Math Challenge (Authored by Sharla Shults.)
- Poetic Math Greeting Cards (Authored by Sharla Shults.)
- Probability and Compound Events (Authored by Johnny Wolfe.)
- Probability and Odds (Authored by Johnny Wolfe.)
- Pyrotechnics (Authored by Johnny Wolfe.)
- Rays and Angles (Authored by Johnny Wolfe.)
- Real Numbers (Authored by Xiuqing Li.)
- Reality Check (Authored by Debra Mastro.)
- Rising and Falling Fractions (Authored by Sharla Shults.)
- Shadow Chasing (Authored by Christina Keeler.)
- Simplifying Square Roots (Authored by Johnny Wolfe.)
- Slope-Intercept Form of a Linear Equation (Authored by Johnny Wolfe.)
- Sloping and Intersecting a Linear Function (Authored by Johnny Wolfe.)
- Solving Absolute Value Equations (Authored by Johnny Wolfe.)
- Solving Inequalities (Authored by Johnny Wolfe.)
- Solving Rational Equations (Authored by Johnny Wolfe.)
- Solving Right Triangles Using Trigonometry (Authored by Johnny Wolfe.)
- Solving Systems of Equations Algebraically (Authored by Johnny Wolfe.)
- Solving Systems of Equations Graphically (Authored by Johnny Wolfe.)
- Speeding by the Numbers (Authored by Ryan Stokes.)
- Statistically Lyrical (Authored by Sharla Shults.)
- Stem and Leaf Plots (Authored by Johnny Wolfe.)
- Technology vs. Nontechnology (Authored by Carol Houck.)
- Testing for Congruent Triangles (Authored by Johnny Wolfe.)
- That Rascal Pascal (Authored by Daphne Kallenborn.)
- The Balancing Act of the Fulcrum (Authored by Johnny Wolfe.)
- The Calculus Whiz Who Loved Candy (Authored by Linda Knowles.)
- The Calculus Whiz Who Owned a Box Company (Authored by Linda Knowles.)
- The Case of the Missing Middle Term (Authored by Johnny Wolfe.)
- The Golden Student (Authored by Kevin Holland.)
- The Gravity of the Situation (Authored by Linda Knowles.)
- The Large and Small of It (Authored by Sharla Shults.)
- The Math Poet (Authored by Sharla Shults.)
- The Mystery of the Accelerating Race Car (Authored by Johnny Wolfe.)
- The Nuts and Bolts of a Mathematical Expression (Authored by Johnny Wolfe.)
- The Oreo Express (Authored by William Beard.)
- The Proof Is in the Picture (Authored by Sandra Pickard.)
- The Water Detectives (Authored by Daric White.)
- To Whom It May Concern (Authored by Sharla Shults.)
- Topsy-Turvy Math With Rational Number (Authored by Johnny Wolfe.)
- Understanding Area (Authored by Dorothy Wagner.)
- Va Va Va Zoooommm (Authored by Sandra Pickard.)
- Wanted Dead or Alive...How Big Is it? (Authored by summer zephyr.)
- What Does Percent Have to Do with It? (Authored by Sharla Shults.)
- What Does Your Quadratic Look Like? (Authored by Johnny Wolfe.)
- What Happened to the Popcorn? (Authored by Lois Walsh.)
- What Is Your Rate of Work? (Authored by Johnny Wolfe.)
- What Language Do You Speak? (Authored by Johnny Wolfe.)
- What You See Is What You Get (Authored by Johnny Wolfe.)
- When Are We Ever Going to Use This Math? (Authored by Sharla Shults.)
- Where's the Math? (Authored by Sharla Shults.)
- Which Is the Better Car Deal? (Authored by Dan Schmidt.)
- Who Won the Cross-Country Meet? (Authored by Johnny Wolfe.)
- Year Book Page Special Shape Collage (Authored by Laura Colaninno.)
- You Are What You Eat (High School) (Authored by Johnny Wolfe.)
- You Can’t Go Wrong With a Right Triangle I (Authored by Linda Knowles.)
- You Can’t Go Wrong With a Right Triangle III (Authored by Linda Knowles.)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson covers right triangle relationships of the 30-60-90 triangle.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students examine the concept of perpendicularity both geometrically and algebraically. Students apply their knowledge by designing safe passage through a two-dimensional obstacle course using only perpendicular line segments.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This activity allows students to design their own letter graph, and then produce the resulting graphs after a translation, reflection, and rotation.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson covers angle measure for triangles and complementary/supplementary angles.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson is designed to explore the definition and properties of parallel lines.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The inverse of squaring is finding a “square root.” Square roots are found in many formulas used in many disciplines.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students will examine the concept of arithmetic sequence and learn to find the sum of arithmetic sequence.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: A POLYGON is a closed figure formed by line segments. The PERIMETER of a polygon is the sum of the lengths of its sides.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: The students learn the makeup of the electromagnetic spectrum and how the various forms of EMRs are similar and different from each other.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students will be given data (class test scores) to determine central tendencies, and will find information needed to construct a normal distribution curve.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Given two summer job opportunities, the student must determine when each job will earn the same amount and what that amount will be. This will be done by solving systems of equations.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The students will use two activities to be able to draw four different conic sections. One of the activities is of a physical nature while the second activity is a more traditional pencil and paper activity.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students complete a roll playing activity to build understanding of number concepts. Students use 'Algebraic Closure' throughout six operations to better comprehend and review basic number theory.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Fractions? Who needs them? Students complete a coloring activity and practice where like fractions are actually used in real-life situations. Problem solving involves using fractions with common denominators utilizing Think, Solve, and Explain format.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: Student will perform mathematical operations on complex numbers

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This is a neat data analysis project in which students collect data, graph their data, and then make predictions based upon their findings. The student’s interest is maintained by the interesting way the data is collected.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students enjoy this engaging activity in discovering three lettered postulates that prove triangles congruent. Students have a great insight to the workings and reasoning behind ASA, SAS, SSS, and AAS.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: “I don’t care what other people think!” Or do you? Statistical data recorded in a table is interpreted and displayed in an appropriate graph format demonstrating how opinion polls and other types of data can be easily read and interpreted.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Look out real world, here we come! Due to new jobs, pay increases, taxes, money in the bank, and opportunities to spend, spend, spend, students learn there is no way to avoid working with decimals in making life -centsable!-

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: This lesson discusses parallel lines, transversals, corresponding angles, alternate interior angles, alternate exterior angles and consecutive angles.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students determine timber volumes as sawtimber or pulpwood like a forester would for market purposes.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This activity is a fun way to introduce standard deviation (SD). Students measure the SD of colors in a collection of objects (e.g. candy)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Tired of hearing, “When are we ever going to use this again?” Students will use their knowledge of graphing inequalities to solve this real world problem. Students will have to figure how many doctors and nurses can be hired within budget and building constraints

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: What’s the problem with cheeseburgers advertised for .99 cents each or colas for .89 cents each? Students study the decimal dilemma and discover major math mistakes in the real world.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: A rectangle is the shape of a piece of notebook paper. The area is the space inside the rectangle, and it is measured in square units.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Equations containing radicals with variables in the radicand are called radical equations. To solve such equations, first isolate the radical on one side of the equation and then square each side of the equation to eliminate the radical.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students enjoy this engaging activity by investigating possible lengths to sides of a triangle. Students discover the Triangle Inequality Theorem through hands-on activities with straws.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Enzymes are specialized proteins that regulate chemical activity in the body without themselves being altered in the reaction. In this lab, students observe how a cell uses an enzyme to rid itself of a poisonous substance.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The ability to use and compute roots is often a necessary tool in physics. For example, square roots are used to compute the minimum velocity a spacecraft must have to escape the gravitational force of a planet.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Lab Activity: Student teams design a paperclip grasshopper and measure its ability to survive a prey by either jumping high, far, or with a distracting behavior. Students relate the ability to survive to the changing attack of predators. (NETS for Students: 3.1)

Subject(s): Language Arts, Mathematics, Social Studies (Grade 9 - Grade 12)

Description: This is a multi-phase activity designed to increase student awareness and participation in the voting process.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Let’s go surfing! Students surf the Web gathering information about graphs. The data collected and analyzed in The Math Poet activity is now incorporated into a spreadsheet and graphs of varying nature generated to further enhance student understanding. (NETS for Students: 5.1 and 5.2)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This activity is designed to reinforce the statistical concepts of mean, median, mode, and histograms. Students collect data by measuring their pulse rates through different activities.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: This is a laboratory exercise which is used to calculate the acceleration due to gravity.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson uses the betweenness property, segment addition property, and distance formula to determine segment lengths.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This is an estimation project designed to allow students to find the length of their strides. Using this knowledge, students measure the length of a hallway or find out how many people can fit in the school stadium or gym!

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students enjoy this engaging activity by investigating the relationship between area and perimeter while creating and pricing a flower bed for their school name. Students calculate the perimeter and area of block letters, in order to compete in a ‘Perimeter Area Bingo’ game.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Help your students to follow that graph with ease. In this lesson, students investigate, analyze, and discuss the effects of parameter changes on a trigonometric function using a graphing calculator.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: In mathematics, a ratio is a comparison of two numbers by division. A gear ratio can be expressed as a ratio to solve real-world problems.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students will learn the geometric sequence and find the sum of an geometric sequence.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students find everyday objects that represent geometric figures. The students must then prove the object is in fact the shape. Students also find the perimeter, area, surface area, volume, circumference of selected objects.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Pictures say a thousand words, so let’s just picture it with graphs! Students examine line, bar and circle graphs in the newspaper and on the Web. Sketches of graphs are completed with emphasis on selecting the best model to depict data collected. (NETS for Students: 5.1)

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Plants use chemicals from the environment and energy from the sun to produce their own food. The food they produce is glucose. Students determine through laboratory activity the presence or absence of glucose in a variety of plant leaves and stems.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: When an object moves at a constant speed, or rate, it is said to be in uniform motion. The formula d = rt is used to solve uniform motion problems.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students create Escher-like tessellations.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students calculate the angles and construct a pie graph of the percentages of the elements in the continental and oceanic crusts. Then they analyze the results.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: A laboratory activity confirming the law of conservation of matter by weighing chewing gum before and after it is chewed. ‘ Will it weigh more, less or the same? What happens to the matter?’

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Students use a thermometer and ice to learn that temperature is a measure of the average translational kinetic energy.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Students build a balloon hovercraft, take direct measurements, answer critical questions, and make calculations using the data gathered in order to realize the concept of acceleration as a change in velocity.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: Student will discover angles and their relationship to triangles.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Complementary angles are two angles that form a right angle (90 degrees). Students practice finding the complement of an angle.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students are given average winning speeds for even-number years. The students then graph, determine a line of best fit, interpolate, extrapolate, write an equation in slope-intercept form, and predict winning speeds.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students manipulate toy cars and simulate various walking speeds to discover characteristics related to rate of speed, distance and time. After measuring the time and distance, the students calculate the speed.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Rational expressions are algebraic expressions whose numerator and denominator are polynomials. This lesson simplifies such expressions and identifies values of the variable that must be excluded.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson covers constructing and using a basic hypsometer to measure the heights of tall objects such as trees, billboards, and buildings.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: Students learn that similar triangles have sides that are proportional. They will use this knowledge to determine the height of a flagpole. This method was used by the ancient Egyptians to determine the height of the great pyramids.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Solving quadratic equations using the Complete the Square form.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Poetic Math Challenge - Lesson 4 Pictures say a thousand words, so, Just Graph It! Data collected and analyzed is now incorporated into a spreadsheet and graphs of varying nature generated to further enhance student understanding. (NETS for Students: 5.1 and 5.2)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students cooperatively complete several real world problems using Least Common Multiples and sequencing. Creativity and understanding are used to finalize the packet with a student made real world problem.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students calculate the conversion factor between cm and inches by graphing the height of each student in cm and inches and finding the slope of the line.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Statistical data can be organized and presented on a number line. Numerical information displayed on a number line is called a “line plot.”

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Set mathematical problem solving to music and play like musical chairs. Use classical music to set a thought-provoking atmosphere. This is also an excellent method for reinforcement or review.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Poetic Math Challenge-Lesson 2 Since all the rhyming is through, now what are we to do? What does all of this prove to you? The answer to that question is in the statistics found in Lesson 2. Stay tuned and you will see; the best to come is yet to be!

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: Students investigate magnetism and magnetic force.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students design a picture by plotting points on graph paper and then color their designs.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson uses application that provides reinforcement in such areas as problem solving, multiplying polynomials, and finding maximum points.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: In analyzing, statistical data, measures of central tendency are used because they represent centralized data.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: In this activity, students learn techniques that determine the merchantable height of a tree and the number of logs a tree provides.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students use mental math, paper and pencil and calculators to solve problems. The students are put into teams and “race” to see who will get the most correct answers per round.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Algebraic expressions such as (a + b/c), and (5 + (x-y)/(x+3)) are called mixed expressions. Changing mixed expressions to rational expressions is similar to changing mixed numbers to improper fractions.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: To multiply rational expressions, you multiply the numerators and multiply the denominators.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Prerequisite activity to Poetic Math Challenge - Set mathematical problem solving to music and play like musical chairs. Use classical music to set a thought-provoking atmosphere. This is also an excellent method of reinforcement or review.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students create a number line depicting their lives and family history. Students use absolute value to represent pre and post birth events.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students use the story of the “discovery” of irrational numbers to learn about the different classes of numbers, the different ways in which numbers may be represented, and how to classify different numbers into their particular class.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: -Old Poly- factoring is a great reinforcement or enhancement to any algebraic factoring unit. Students are given a set of -Old Poly- cards and have to match polynomials to their factored forms. The game is played like -Old Maid-.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students define and identify integers, rational, irrational, real, and complex numbers. They find examples of each and write them on note cards. They work in small groups to put each card in ascending or descending order.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: In this activity, students learn to pace a Gunther Chain, which is a unit of measurement used by foresters to determine distance and area.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: This lesson discusses adjacent angles, vertical angles, linear pairs, supplementary angles and complementary angles

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: Students work with parallel and perpendicular lines and their properties.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Numbers such as 1, 4, 9, and 16 are called perfect squares. Products of the form (a + b)^2 and (a – b)^2 are also called perfect squares, and these expansions are called perfect square trinomials.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students will determine the value of PI by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson explores the influence that lurking variables can have on data and statistical inference.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Are you a ‘math poet?’ Make math problems unique and interesting by allowing students to create and/or solve problems relating to real-world experiences incorporating rhythmic lines. A catchy line might save you time when solving a real-life problem!

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Poetic Math Challenge-Lesson 3 What is the most often purchased greeting card? Discover this, and then have students produce their own greeting cards. Students surprise family and friends while analyzing data at the same time. Creativity soars! (NETS for Students 1.2, 3.2 and 5.1)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students determine the probability of compound events.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students determine the probability and odds for various events.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Pyrotechnics is the scientific name for fireworks. This word comes from Greek words meaning “fire arts.” Factoring can be used to solve such problems dealing with Pyrotechnics.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: An angle is defined in terms of two rays that form the angle. This lesson deals with ray and angle measurement, Angle Addition Postulate and Protractor Postulate.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students examine the concept of integers, rational numbers, irrational numbers, real numbers, complex numbers and understand their relative size.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students practice living on a budget. They must plan for rent, utilities, and food and determine if they can afford the luxuries of a phone, car, gas, movies, clothes, etc., using a newspaper to gather their information.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Why are announcements stating that a particular stock is "up 1 and 5/8ths" or "down 2 and 3/16ths" now history? Students explore outcomes from the conversion – fractions to decimals – in stock market quotes and explore fluctuating interest rates using an amortization calculator.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This activity is a fun way to introduce proportions and reinforce measuring in centimeters. The students compare themselves and their shadows to various objects big and small. They then use their data to set up proportions to solve.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The square root of a positive integer is in simplest form if the radicand has no perfect square factor other than one.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: This lesson discusses slope-intercept and standard forms of linear equations.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: This lesson discusses graphing, slope, x-intercept and y-intercept.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson discusses absolute value and how it relates to equality.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Student will solve and graph inequalities and absolute values.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: You can solve equations containing fractions by using the least common denominator of all the fractions in the equation. Multiplying each side of the equation by the common denominator eliminates the fractions.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This lesson covers solving techniques using trigonometric ratios for right triangles.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Student will solve a system of equations algebraically.

Subject(s): Mathematics, Mathematics (Grade 9 - Grade 12)

Description: Students solve a system of equations by graphing.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students determine speed (velocity) by running/walking a given distance and dividing the distance by the time it took them to do so. This lesson involves measurement and number sense, concepts and operations, and can be easily modified into a science lesson.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Since all of the rhyming is through, now what are we to do? Describe, analyze, and generalize! Calculating measures of central tendency makes the activity even more alive. Stay tuned and you will see; the best to come is yet to be!

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students experience using the stem and leaf plot as a method of organizing statistical data. The greatest common place value of the data is used to form the stem. The next greatest common place value is used to form the leaves.

Subject(s): Applied Technology, Mathematics (Grade 9 - Grade 12)

Description: Students determine the range, mean, median and mode using a computer spreadsheet. An identical set of calculations is done without using a computer. The results of each method are compared. (NETS for Students: 5.2)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students test triangles for congruency.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students use the concept of number patterns to complete a portion of Pascal’s Triangle as well as identify and describe the patterns represented.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: If you have observed people on a seesaw, you may have noticed that the heavier person must sit closer to the fulcrum to balance the seesaw. This is an example of an inverse variation. A seesaw is a type of lever.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students develop an equation for finding the volume of a commonly known piece of candy (M&M, Hershey’s Kiss, Tootsie Roll Pop, Life Saver, etc.) by using calculus.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students develop an understanding of the relationship between volume and surface area. They then construct a box out of a piece of paper that maximizes volume using a table, by graphing and calculus techniques.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: You can use the difference of squares to factor binomials of the form “a" squared minus “b” squared.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: This is an enrichment activity for the enhancement of the study of ratios and data collection. Students are introduced to the golden section in mathematics and use this ratio to determine if their bodies are -golden- through a group investigation.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students drop a ball and record its position using a CBL and a TI89 graphing calculator. The data collected will then be transferred to an EXCEL spreadsheet and a quadratic curve of best fit will be generated and compared to expected results.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: It is hard to envision the distance to the Moon without thinking about a very large number. Yet, a lunar dust particle is so small, several fit on the tip of a pinhead! Students explore the extreme solving problems related to the Apollo space missions.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Are you a math poet? Make math problems unique and interesting! Engage students in an active setting solving problems relating to real-world experiences incorporating rhythmic lines. A catchy line might save you time when solving a real-life problem!

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Acceleration is the rate at which speed is changing with respect to time. Students learn how to compute acceleration (a) by dividing the change in speed by the time (t) needed to make the change.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: When an expression contains more than one operation, you can get different answers depending on the order in which you solve the expression. Mathematicians have agreed on a certain order for evaluating expressions, so we all arrive at the same answers.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The Travel Channel will have nothing on you when you travel the Oreo Express! This lesson explores probability in the simplest form. Just think! Oreos and math, nothing could be finer than probability in the middle.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students photograph items that are geometrical figures.They use measurements of item to write a formal or informal proof to prove the item is what they say it is.The proofs are exhanged with other groups; the students must match the proof to the photo.

Subject(s): Language Arts, Mathematics, Science (Grade 9 - Grade 12)

Description: This is a research project designed for students to collect, analyze and present environmental water quality data.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students produce and peer edit typed rough drafts of the business letters following the guidelines illustrated in the Eight Essential Parts of a Business Letter and save to disks. Students complete the Where’s the Math? Scavenger Hunt on the Web.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: To find the quotient of two rational numbers, you multiply by the reciprocal of the second rational number.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students make the transition from measuring in linear units to measuring in the square units of area. Area formulas for rectangle, parallelogram and triangle will be developed.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students apply their knowledge of unit conversions. They use standard units of measurement and develop their own non-standard units. Students compare the units and develop conclusions regarding the use of standard vs. non-standard units.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students learn to approximate the measurement of a tree using unconventional methods.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Confused about percentages at the mall? Students go shopping for a true real-life experience involving percent. Exposure to percent relative to sales tax and discount prices is experienced in this lesson.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: A quadratic function is a function that can be described by an equation of the form y = ax^2 + bx + c. Graphs of quadratic functions have certain common characteristics.

Subject(s): Mathematics, Science (Grade 9 - Grade 12)

Description: This is a laboratory demonstration assessing the students' understanding of the law of conservation of matter by weighing the mass of popcorn before and after being popped.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: When work is held to a constant, the formula (rate of work) times (time) equals (work done).

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: In mathematics, numbers and math symbols have meanings. This lesson is based on a game and is to be used in groups (approximately 4 or 5). A card will be drawn from a deck. On this card is a verbal description of a mathematical statement.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: The best strategy for reading a math problem is to use visualization. This means to draw a mental picture of concepts or terms that are being described. This lesson will involve visualization with a math lesson.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: Students engage in discussion of various occupations. Where does math fit into the scheme of things? Students are diagnostically assessed to determine proficiency in computer, writing, and problem-solving mathematical skills set in real-world context.

Subject(s): Language Arts, Mathematics (Grade 9 - Grade 12)

Description: The math connection unfolds! Students develop an original math problem with detailed solution key relative to the chosen career fields. Watch creativity soar! (NETS for Students 3.1 and 5.1)

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students will be given different situations (problems) to determine which option they would take if purchasing a car. The options will be a low financing rate or a rebate.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Using algebraic expressions, the students write a verbal expression into an algebraic expression and then solve the expression. Some of the examples will deal with Who Won the Cross-Country Meet?

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: The students arrange pictures for a yearbook in such a way so that a special shape is made. The students then find the area of the special shape they have made and find the cost of putting that picture on the page.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Numerical Information called data can be useful in our daily lives. A branch of mathematics called statistics provides methods for collecting, organizing, and interpreting data. One way to organize data is by using tables.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students will develop an understanding of the Pythagorean Theorem and use it to find the missing side of a right triangle.

Subject(s): Mathematics (Grade 9 - Grade 12)

Description: Students measure objects and solve problems in the real world using the properties of right triangle trigonometry.