## Beacon Lesson Plan Library

### Lesson Plans - Learner Level 4: Mathematics

• 30-60-90 Right Triangles and Algebra (Authored by Johnny Wolfe.)

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

• A Perpendicular Pilgrimage (Authored by Mason Clark.)

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.

• ABC's Transformer (Authored by Sherri Hampton.)

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

• Angles and Algebra (Authored by Johnny Wolfe.)

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

• Are We Sure They Are Parallel? (Authored by Xiuqing Li.)

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

• Are You a Radical or Just a Square Root? (Authored by Johnny Wolfe.)

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

• Arithmetic Sequence (Authored by Xiuqing Li.)

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

• Around and Around We Go (Authored by Johnny Wolfe.)

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.

• Can You See the Music? (Authored by Warren Bell.)

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

• Central Tendencies and Normal Distribution Curve (Authored by Dan Schmidt.)

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

• Choosing a Summer Job (Authored by Dan Schmidt.)

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.

• Chronic Conics (Authored by Steve Friedlander.)

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.

• Close Your Math (Authored by Timothy Mark Dillehay.)

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.

• Colorful Solutions (Authored by Sharla Shults.)

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.

• Complexity (Authored by Johnny Wolfe.)

Description: Student will perform mathematical operations on complex numbers

• Confusing Colors! (Authored by Kevin Holland.)

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.

• Congruent Triangles Postulates (Authored by Timothy Mark Dillehay.)

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.

• Creating Graphs from Tables (Authored by Rhonda Bray.)

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.

• Decimals Make Cents (Authored by Sharla Shults.)

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!-

• Determing Angle Measure with Parallel Lines (Authored by Johnny Wolfe.)

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

• Determining Mercantile Volume of a Pine Tree (Authored by Lois Walsh.)

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

• Do Objects Vary Very Much? (Authored by John Fowler.)

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)

• Doctor, Doctor, Give Me the News, I’ve Got a Bad Case of Loving Math (Authored by Becca Childress.)

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

• Does the Decimal Point Really Make a Difference? (Authored by Sharla Shults.)

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.

• Does Your Rectangle Have Guts? (Authored by Johnny Wolfe.)

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.

• Doing Battle with Radical Equations (Authored by Johnny Wolfe.)

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.

• Drawing Straws (Authored by Timothy Mark Dillehay.)

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.

• Enzymatic Action (Authored by Jacqueline Roberts.)

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.

• Escape Velocity (Authored by Johnny Wolfe.)

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.

• Escape! Survival of the Fittest Grasshopper (Authored by Lois Walsh.)

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)

• Every Vote Counts (Authored by Brenda Heath.)

• 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.

• EXCEL It! (Authored by Sharla Shults.)

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)

• Exercise Those Statistics! (Authored by Kevin Holland.)

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.

• Finding the Acceleration Due to Gravity (Authored by Phil Lee.)

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

• Finding the Measure of Segments (Authored by Johnny Wolfe.)

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

• Finding Your Stride Length (Authored by Kevin Holland.)

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!

• Flowers and Rocks (Authored by Timothy Mark Dillehay.)

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.

• Follow That Graph (Authored by Debbie Lloyd.)

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.

• Gearing Up (Authored by Johnny Wolfe.)

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.

• Geometric Sequence (Authored by Xiuqing Li.)

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

• Geometry Scavenger Hunt (Authored by Sandra Pickard.)

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.

• Get the Picture with Graphs (Authored by Sharla Shults.)

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)

• Glucose Factory (Authored by Jacqueline Roberts.)

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.

• Going My Way (High School Math) (Authored by Johnny Wolfe.)

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.

• Got Escher? (Tessellation) (Authored by Euconfra Corbit.)

Description: Students create Escher-like tessellations.

• Graph Both Crusts (Authored by Lois Walsh.)

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.

• GUM: More, Less, or the Same? (Authored by Lois Walsh.)

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?’

• Hot Time in the Classroom (Authored by Michael Hall.)

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

• Hover Above the Earth (Authored by Dawn Gott.)

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.

• How Do You Measure a Triangle? (Authored by Johnny Wolfe.)

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

• How Do You Pay a Complement to an Angle? (Authored by Johnny Wolfe.)

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

• How Fast Does Your Race Car Go? (Authored by Johnny Wolfe.)

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.

• How Fast Is It Traveling? (Authored by Obed Morales.)

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.

• How Simple Is Your Rational Expression? (Authored by Johnny Wolfe.)

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.

• How Tall is that Billboard? (Authored by Alan Kent.)

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

• How Tall Is That Flag Pole? (Authored by Amelia McCurdy.)

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.

• Is Your Square Complete? (Authored by Johnny Wolfe.)

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

• Just Graph It! (Authored by Sharla Shults.)

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)

• Least Common Multiples (Word Problems) (Authored by Timothy Mark Dillehay.)

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.

• Let's Graph It! (Authored by Dirk Naegele.)

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.

• Line Plots (Authored by Johnny Wolfe.)

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

• Lively Math (Authored by Sharla Shults.)

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.

• Lyrics Statistics (Authored by Sharla Shults.)

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!

• Magnetism and the Magnetic Force (Authored by J.P. Hamilton.)

Description: Students investigate magnetism and magnetic force.

• Make a Design by Plotting Points (Authored by Dan Schmidt.)

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

• Maximum Profit (Authored by Johnny Wolfe.)

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

• Measures of Central Tendency (High School) (Authored by Johnny Wolfe.)

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

• Measuring the Merchantable Height of a Tree (Authored by Jacqueline Roberts.)

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

• Mental Math Relay (Authored by Sandra Pickard.)

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.

• Mixed Expressions and Complex Fractions (Authored by Johnny Wolfe.)

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.

• Multiplying Rational Numbers (Authored by Johnny Wolfe.)

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

• Musical Math Challenge (Authored by Sharla Shults.)

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.

• My Life in Numbers (Authored by Sandra Pickard.)

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

• Numbers Beyond Reason! (Authored by Cylle Rowell.)

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.

• Old Poly Factoring (Authored by Kevin Holland.)

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-.

• Order in the Classroom (Authored by Dana Hopkins.)

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.

• Pacing a Gunther Chain (Authored by Jacqueline Roberts.)

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.

• Pairs of Angles (Authored by Johnny Wolfe.)

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

• Parallel and Perpendicular Lines (Authored by Johnny Wolfe.)

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

• Perfect Squares and Factoring (Authored by Johnny Wolfe.)

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.

• Pi Day (March 14) (Authored by Dan Schmidt.)

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

• Pickles: Death in a Jar! (Authored by Darrin Minns.)

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

• Poetic Math Challenge (Authored by Sharla Shults.)

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!

• Poetic Math Greeting Cards (Authored by Sharla Shults.)

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)

• Probability and Compound Events (Authored by Johnny Wolfe.)

Description: Students determine the probability of compound events.

• Probability and Odds (Authored by Johnny Wolfe.)

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

• Pyrotechnics (Authored by Johnny Wolfe.)

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.

• Rays and Angles (Authored by Johnny Wolfe.)

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.

• Real Numbers (Authored by Xiuqing Li.)

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

• Reality Check (Authored by Debra Mastro.)

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.

• Rising and Falling Fractions (Authored by Sharla Shults.)

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.

• Shadow Chasing (Authored by Christina Keeler.)

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.

• Simplifying Square Roots (Authored by Johnny Wolfe.)

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

• Slope-Intercept Form of a Linear Equation (Authored by Johnny Wolfe.)

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

• Sloping and Intersecting a Linear Function (Authored by Johnny Wolfe.)

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

• Solving Absolute Value Equations (Authored by Johnny Wolfe.)

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

• Solving Inequalities (Authored by Johnny Wolfe.)

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

• Solving Rational Equations (Authored by Johnny Wolfe.)

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.

• Solving Right Triangles Using Trigonometry (Authored by Johnny Wolfe.)

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

• Solving Systems of Equations Algebraically (Authored by Johnny Wolfe.)

Description: Student will solve a system of equations algebraically.

• Solving Systems of Equations Graphically (Authored by Johnny Wolfe.)

Description: Students solve a system of equations by graphing.

• Speeding by the Numbers (Authored by Ryan Stokes.)

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.

• Statistically Lyrical (Authored by Sharla Shults.)

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!

• Stem and Leaf Plots (Authored by Johnny Wolfe.)

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.

• Technology vs. Nontechnology (Authored by Carol Houck.)

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)

• Testing for Congruent Triangles (Authored by Johnny Wolfe.)

Description: Students test triangles for congruency.

• That Rascal Pascal (Authored by Daphne Kallenborn.)

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.

• The Balancing Act of the Fulcrum (Authored by Johnny Wolfe.)

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.

• The Calculus Whiz Who Loved Candy (Authored by Linda Knowles.)

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.

• The Calculus Whiz Who Owned a Box Company (Authored by Linda Knowles.)

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.

• The Case of the Missing Middle Term (Authored by Johnny Wolfe.)

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

• The Golden Student (Authored by Kevin Holland.)

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.

• The Gravity of the Situation (Authored by Linda Knowles.)

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.

• The Large and Small of It (Authored by Sharla Shults.)

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.

• The Math Poet (Authored by Sharla Shults.)

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!

• The Mystery of the Accelerating Race Car (Authored by Johnny Wolfe.)

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.

• The Nuts and Bolts of a Mathematical Expression (Authored by Johnny Wolfe.)

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.

• The Oreo Express (Authored by William Beard.)

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.

• The Proof Is in the Picture (Authored by Sandra Pickard.)

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.

• The Water Detectives (Authored by Daric White.)

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

• To Whom It May Concern (Authored by Sharla Shults.)

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.

• Topsy-Turvy Math With Rational Number (Authored by Johnny Wolfe.)

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

• Understanding Area (Authored by Dorothy Wagner.)

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.

• Va Va Va Zoooommm (Authored by Sandra Pickard.)

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.

• Wanted Dead or Alive...How Big Is it? (Authored by summer zephyr.)

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

• What Does Percent Have to Do with It? (Authored by Sharla Shults.)

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.

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.

• What Happened to the Popcorn? (Authored by Lois Walsh.)

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.

• What Is Your Rate of Work? (Authored by Johnny Wolfe.)

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

• What Language Do You Speak? (Authored by Johnny Wolfe.)

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.

• What You See Is What You Get (Authored by Johnny Wolfe.)

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.

• When Are We Ever Going to Use This Math? (Authored by Sharla Shults.)

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.

• Where's the Math? (Authored by Sharla Shults.)

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)

• Which Is the Better Car Deal? (Authored by Dan Schmidt.)

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.

• Who Won the Cross-Country Meet? (Authored by Johnny Wolfe.)

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?

• Year Book Page Special Shape Collage (Authored by Laura Colaninno.)

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.

• You Are What You Eat (High School) (Authored by Johnny Wolfe.)