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Lesson Plan
Curated OER

Understanding Pi.

For Teachers 8th - 9th
Students study the relationship between circumference and diameter to come up with Pi. "In this pi lesson, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation of pi.
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Worksheet
Curated OER

Enlargement

For Students 6th
In this enlargement worksheet, 6th graders solve and complete 3 different types of problems. First, they enlarge the given shape by a scale factor of 3. Then, students find the scale factor of the next enlargement. Finally, they enlarge...
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Lesson Plan
Curated OER

Ratio and Proportion

For Teachers 4th - 6th
Students explore ratios and proportions. For this ratios lesson, students work in groups to identify the ratio of boys to girls, as well as the ratio of vowels to consonants in their names. Given a bag of candy, students work in groups...
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Worksheet
Curated OER

Remarkable Ratios

For Students 6th - 7th
For this ratios worksheet, students examine pictures of 12 cartoon characters. Students solve 12 problems in which a ratio is written to show the number of characters with certain attributes compared to the total number.
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Worksheet
Curated OER

Leveled Problem Solving Ratios

For Students 4th - 7th
In this ratios practice activity, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Trigonometric Functions

For Students 11th
In this trigonometric functions instructional activity, 11th graders solve and complete 10 different problems. First, they perform the indicated operations and simplify each function. Then, students find the ratio of the area of the...
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Worksheet
Curated OER

Ratio and Proportion: Write and Interpret

For Students 8th - 10th
In this ratio and proportion worksheet, students explore example problems. Afterwards, they read story problems and use ratios and proportions to find the solution. This three-page worksheet contains six multi-step problems,
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Worksheet
Houghton Mifflin Harcourt

Similar Polygons and Circles

For Students 9th - 12th
In these similar polygons and circles worksheets, students complete 15 questions including 9 word problems regarding similar polygons. Students then complete 15 questions including 1 word problem involving circumference, area, and arc...
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Worksheet
Curated OER

Unit 5: Worksheet 2 - Ratios

For Students 8th - 10th
For this ratio worksheet, students investigate the relationship between the ratio of two sides of similar triangles. Afterwards, they convert fractions, decimals, and percents. This three-page worksheet contains approximately 35...
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Worksheet
Curated OER

Unit 5: Worksheet 1 - Ratio

For Students 7th - 10th
In this ratio worksheet, learners identify and compare colors of marbles in a bag. They also compare lengths. Students write ratios to identify their comparisons. This three-page worksheet contains approximately 40 ratio problems.
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Worksheet
Curated OER

Unit 5: Worksheet 4 - Proportion

For Students 8th - 10th
In this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...
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Worksheet
Curated OER

Unit 5: Worksheet 5 - Estimation & Probability

For Students 9th - 10th
In this estimation instructional activity, students interpret given data and estimate fish populations. Students write a conclusion of their findings. Afterwards, they determine the probability of given events. This two-page...
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Worksheet
Curated OER

Geometry Glencoe Chapter 13 Test

For Students 8th - 12th
In this Geometry Chapter 13 review learning exercise, students complete 20 multiple choice questions and 1 bonus question regarding volume, dilation, and midpoint and distance between points of 3D objects.
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Worksheet
Curated OER

Algebraic Equations

For Students 8th - 9th
In this algebraic equations worksheet, students solve and complete 4 different sets of problems that include solving for variables and using ratios. First, they solve for a variable and write out all of the steps in the process. Then,...
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Worksheet
Curated OER

Reasoning with Rules

For Students 8th - 9th
In this reasoning with rules instructional activity, learners solve and complete 12 different problems that include applying various rules to solve the equations given. First, they assume all segments are straight and state the rule used...
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Worksheet
Curated OER

Quiz: Creating Equivalent Proportions

For Students 7th - 8th
In this proportion worksheet, students create a proportion from a set of four numbers. They write ratios that are equal to each other. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Quiz: Rewriting Ratios

For Students 4th - 6th
In this rewriting ratios worksheet, students observe models and read short statements. Next, they write ratios to depict the models and describe the statements. Students write their ratios in lowest terms. This one-page worksheet...
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Worksheet
Curated OER

Mid-Segment of a Triangle

For Students 10th - 11th
In this triangle worksheet, students examine triangle diagrams. They determine the perimeter, length of a line, midpoint of a line, and angle measurement from given information. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Probability Worksheet

For Students 7th - 8th
In this probability worksheet, students solve and complete 10 different problems that include determining the outcomes of various events. First, they roll a die once to determine the probability of getting a specific number. Then,...
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Worksheet
Curated OER

Proportions

For Students 7th - 8th
In this proportion activity, students identify equivalent fractions and solve proportions. This one-page activity contains ten problems.
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Worksheet
Curated OER

Tangent of a Point

For Students 10th - 11th
In this tangent instructional activity, students find the tangent of one point when given the length of the sides of a triangle. This one-page instructional activity contains ten problems.
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Worksheet
Curated OER

Intuitive Notion of Dilation

For Students 7th - 8th
In this dilation worksheet, students identify pictures of a dilation. They determine the scale factor and length of missing sides. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Ratio Word Problems

For Students 7th - 8th
In this ratio worksheet, students solve and complete 10 different problems that include determining various ratios of events. First, they determine the height of a building given the time of day and shadow it casts. Then, students...
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve 10 different problems that include determining the means proportionally in each right triangle. First, they use the given information to determine the measure of each line segment....