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Indirect Measurement with Similar Triangles
Students use similar triangles to find missing heights. In this using similar triangles to find missing heights lesson plan, students use proportions to find the heights of missing side lengths. Students find the height of trees and...
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It's All About Scale
Sixth graders investigate scale models of toys. In this scale models of toys lesson, 6th graders bring in toys from home to measure. Students discuss scale and what scale is used with their toys. Students determine the life size...
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Paper Pool
Learners explore ratio and proportion, GCF, and LCM. In this middle school mathematics lesson, students play an interactive Paper Pool game that provides an opportunity to increase their understanding or ratio, proportion, GCF, and LCM....
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Financial Wizard
Students determine the best way to earn money. In this financial wizard lesson, students read a story. They compare different jobs, the rate of pay for each job and the number of hours required to do the job. Students analyze which...
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What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry instructional activity. They work together to compare the dimensions on a model as compared to the real building.
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Simplify Ratio: Word Problems
In this finding the ratio in word problems worksheet, students use the work space to solve and simplify. Students solve four problems.
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Body Measurements
Students measure various body parts. In this measuring various body parts lesson, students use strips of paper or measuring tapes to measure the lengths of arms, legs, torso and the circumference of waist, head, arms, and legs. Students...
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SAT Problem Solving Practice Test 02
In this problem solving worksheet, students solve a variety of problems. Problems include topics such as rate, time, similar figures, volume, and functions. This one-page worksheet contains ten multiple-choice problems. Answers may be...
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Ratios, Proportions and Percents
Fifth graders complete 3 activities centered around percents. In this ratios, proportions and percents lesson, 5th graders create designs on grid paper that illustrate a variety of percents, solve percent problems mentally, and use...
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Home Sales Records
Teach your class how to calculate monthly payments on a home mortgage. For this percent lesson, students calculate the monthly payment on a home mortgage, and compare different lengths of time and the interest rates for national median...
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Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
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Lessons for Beginner Atlatl Users
Ninth graders research weapons of the Aboriginal people and throw a dart with and without the use of an atlatl. In this cross curricular lesson, 9th graders research the weapons of the Aboriginal people. They throw darts with and without...
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Similarity
Eighth graders understand that proportional enlargement of shapes doesn't change the angles of those shapes. In this similarity lesson, 8th graders complete exercises to create enlargements of shapes and understand similar shapes.
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Solve Percent Problems Using Proportions
Young scholars explore proportions and ratios. In this solving percent problems instructional activity, students examine percent problems including tax and percent of change.
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Measuring Speed in the Universe
In this measuring speed in the universe instructional activity, students use photographs of 3 astronomical phenomena including supernova explosions, coronal mass ejections and solar flare shock waves to find how fast they move. The...
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Finding Area of Similar Figures
Young scholars explore the concept of finding area of similar figures. In this finding area of similar figures lesson, students use pattern blocks to construct similar figures. Young scholars trace their construction and find the area....
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One-Step Equation Word Problems
For this word problem worksheet, students read story problems, write equations to match the problem and solve the equations. This four-page worksheet contains 14 problems. Answers are provided on the last page.
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Ratio and Proportion
In this ratio and proportion worksheet, students read problems and solve proportion problems. They determine the best buy and identify the ratio of different sized polygons. This four-page worksheet contains 7 multi-step problems....
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Rates and Ratios
In this rates and ratio worksheet, students determine the ratio for a given situation. They use proportions to solve problems. This two-page worksheet contains 4 multi-step problems. Answers are provided on the last page.
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Basic Skills: Unit Rates
In this unit rates activity, students determine the unit rate of given data. This three-page activity contains 20 problems. Answers are provided on the last page of the activity.
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Rates and Ratios 3
In this rates and ratios worksheet, students write proportions to match the given problem. They determine unit rates for a given situation. This two-page worksheet contains 4 problems. Answers are provided on the last page.
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Percent Equation 3
In this percent equation worksheet, students use proportions to find the percent of a given number. This two-page worksheet contains 12 problems. Answers are provided on the last page of the worksheet.
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Similarity
In this similarity worksheet, 9th graders solve and complete 6 different types of problems. First, they complete the statement in the box shown. Then, students determine whether they agree or disagree with the statement and given...
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Angular Size and Similar Triangles
In this angular size and similar triangles activity, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.