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Worksheet
Curated OER

Similar Figures

For Students 7th - 9th
For this similar figures worksheet, students identify corresponding sides and corresponding angles of given polygons.  They identify similar figures.  This three-page worksheet contains 18 problems.
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Lesson Plan
Curated OER

Applications, Proportions, and Problem Solving

For Teachers 6th - 9th
For this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
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Worksheet
Curated OER

Proportions 1

For Students 9th - 11th
In this proportion worksheet, students find the missing side of 4 shapes that are similar to their mate. Shapes include triangles and quadrilaterals,. In the second part of the worksheet, students use the scale factor to find missing...
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Worksheet
Curated OER

Leveled Problem Solving Similar and Congruent Polygons

For Students 5th - 6th
In this similar and congruent polygons worksheet, students learn to solve problems using similar and congruent polygons. Students solve six problems.
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Interactive
Curated OER

Proportional Parts

For Students 9th - 10th
In this geometry learning exercise, students identify what makes triangles similar and congruent. They use SSS,SAS and AA to identify the correct ratio of each triangle. There are 15 questions.
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Worksheet
Curated OER

Scaling Figures Two

For Students 5th - 8th
In this similar figures worksheet, students find the missing side of the larger figure when the smaller figure's sides are given. Students complete 4 problems.
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Worksheet
Curated OER

Area and Periemeter

For Students 10th
In this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page worksheet contains ten problems.  Answers are not provided. 
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Worksheet
Curated OER

Six Exercise Sets on Transformations

For Students 8th - 11th Standards
Middle and high schoolers solve fifteen problems from six exercise sets covering transformations, reflections, rotations, and enlargements. The solutions are provided.
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Lesson Plan
EngageNY

The Scaling Principle for Area

For Teachers 9th - 10th Standards
As they investigate scaling figures and calculate the resulting areas, groups determine the area of similar figures. They continue to investigate the results when the vertical and horizontal scales are not equal. 
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Lesson Plan
Curated OER

Recursion on a Calculator

For Teachers 10th - Higher Ed
In this math worksheet, students investigate repeated values on the calculator. They also read the explanation of the golden triangle and its proof.
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Worksheet
Curated OER

Countdown Challenge: Tangrams

For Students 7th - 8th
In this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
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Lesson Plan
Curated OER

The Geometry of Means

For Teachers Higher Ed
For this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
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Worksheet
Curated OER

Variation

For Students 9th - 11th
In this variation worksheet, students interpret and organize data.  They find the distance between points.  Students use ratios to determine volume  This six-page worksheet contains approximately 20 problems.  Answers are provided on the...