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Worksheet
Curated OER

Pythagoras' Theorem

For Students 8th - 9th
In this Pythagorean Theorem worksheet, students use the Pythagorean Theorem to determine the length of a missing side. They calculate surface area of a prism. This two-page worksheet contains 4 multi-step problems.
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Worksheet
Curated OER

Geometric Proofs

For Students 10th - 11th
In this geometric proof activity, students use geometric theorems and rules to prove given statements. They prove that given lines and angles are similar. This five-page activity contains ten problems.
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Worksheet
Curated OER

Quiz: Similarity

For Students 7th - 8th
In this similarity worksheet, students use the characteristics of similar figures to determine the length of one side of a polygon, the height of a tree, or the shortest side of a triangle. They also identify similar figures. ...
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Worksheet
Curated OER

Proofs

For Students 10th
For this proofs worksheet, 10th graders solve and graph 8 different equations. First, they prove that each triangle is either congruent or similar. Then, students use the concept of corresponding parts of congruent triangles to solve...
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Worksheet
Curated OER

Triangle Congruence

For Students 10th
In this triangle congruence worksheet, 10th graders solve 12 different problems that include determining triangle congruence. First, they prove that triangles are either congruent or similar. Then, students determine whether they can...
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Worksheet
Curated OER

Exploring Similar Polygons

For Students 10th
In this exploring similar polygons worksheet, 10th graders solve 9 various problems that are related to similar polygons. First, they define similar and the symbol used to identify similar to another. Then, students find the measurement...
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Worksheet
Curated OER

Identifying Similar Triangles

For Students 10th
In this identifying similar triangles worksheet, 10th graders solve 6 different types of problem that include identifying and comparing similar triangles. First, they identify the three ways that determine whether two triangles are...
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Lesson Plan
Curated OER

Similar And Different

For Teachers 9th - 12th
Students take part in a lesson that is composed of team building activities. They work in small groups in order to interview others to find information to point out similarities or differences. Students then take part in class discussion...
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Lesson Plan
Curated OER

The Attribute Train

For Teachers 1st - 2nd
Students participate in a hands-on activity working with attribute blocks. After reading a story about attributes as a class, they each are given two attribute blocks. The first student lays one attribute block on the floor with the next...
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Lesson Plan
Curated OER

Similar and Congruent Triangles

For Teachers 2nd - 4th
Students create and classify different types of triangles using an online geo-board. They explore the concepts of similar and congruent as they discover how to draw similar and congruent triangles.
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Lesson Plan
Curated OER

Identifying What is the Same

For Teachers K Standards
Learn to identify similarities in a kindergarten language arts lesson plan. After view a set of pictures, they describe what is similar. Learners then complete a worksheet in which they find similarities. Use the activity in groups or as...
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Lesson Plan
Curated OER

Standard Treehouse Lesson Plan

For Teachers 7th
Seventh graders investigate the concepts related to the geometry of treehouses that focuses on angles that are similar and congruent. They conduct class discussion in terms of looking at three dimensional shapes that are represented in...
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Lesson Plan
Curated OER

Project EMPOWER: Awareness of Differences

For Teachers 4th - 8th
Students explore the differences of others. They examine ways in which they can respect the differences between individuals. Students explore the ways in which people are similar and they recognize stereotypes they make.