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Interactive
Curated OER

Arcs and Chords Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students answer questions about triangles using the correct properties. They find missing angles and sides of triangles. There are 15 questions with an answer key.
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Lesson Plan
Curated OER

Regular Pyramids

For Teachers 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The one page worksheet contains two multiple choice questions.  Answers are included. 
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Worksheet
Curated OER

Regular Pyramids

For Students 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The one page worksheet contains a combination of three multiple choice and free response questions.  Answers are included. 
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Lesson Plan
Curated OER

Pyramids

For Teachers 10th
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid.  The two page worksheet contains a combination of seven multiple choice and free response questions.  Answers are included. 
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Worksheet
Curated OER

Midpoints and Bisectors

For Students 9th - 10th
In this geometry worksheet, students calculate the midpoints of polygons using coordinate pairs. They find the  angle bisector, altitude and median of the given triangles. There are 33 questions.
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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

Similarity

For Students 10th
In this similarity worksheet, 10th graders solve and complete 14 different types of problems. First, they find the length of each segment given two lines parallel. Then, students find the measure of each segment of a parallelogram...
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Lesson Plan
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Curated OER

A Rectangle in the Coordinate Plane

For Teachers 7th - 9th Standards
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem. 
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Worksheet
Curated OER

Geometric Shapes and Angles

For Students 10th
In this geometry worksheet, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this worksheet with an answer key.
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Worksheet
Curated OER

Vocabulary Matching

For Students 9th - 10th
In this geometry activity, students math the shape to it's name. The shapes are drawn out with a small example to trigger the memory of the students. There are 33 questions with an answer key.
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Worksheet
Curated OER

Why do Stars Rise in the East?

For Students 8th - 10th
For this stars rise in the east worksheet, students use geometry to show how the Earth rotates from west to east and why celestial bodies appear to rise in the east and set in the west. Students draw a figure and label given points in...
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Worksheet
Curated OER

Circle Proofs

For Students 10th
In this circle proofs learning exercise, 10th graders complete 4 different problems that include circle proofs. They respond to each of the questions that deal with circle proofs. Then, students read the given information and use the...
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Assessment
EngageNY

Mid-Module Assessment Task: Grade 8 Module 2

For Students 8th Standards
It's time for a concept check! Check for student understanding over the three types of rigid transformations. The assessment follows the first 10 lessons in this series and to test pupils' proficiency of these concepts. Individuals...
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Worksheet
Curated OER

Overlapping Squares

For Students 10th
In this geometry activity, 10th graders determine the area of a shaded region formed from two overlapping squares where one corner of one square is at the center of the other square.  The one page activity contains one problem.  Solution...
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Lesson Plan
EngageNY

Tangent Segments

For Teachers 9th - 12th Standards
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
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Lesson Plan
EngageNY

General Pyramids and Cones and Their Cross-Sections

For Teachers 9th - 10th Standards
Are pyramids and cones similar in definition to prisms and cylinders? By examining the definitions, pupils determine that pyramids and cones are subsets of general cones. Working in groups, they continue to investigate the relationships...
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Worksheet
Curated OER

Logical Relationship of Postulates & Theorems

For Students 10th - 12th
In this postulates and theorems instructional activity, students explore a concept map containing information about angles and sides, alternate interior angles, and diagonals of a parallelogram.  They use the concept map to prove...
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Worksheet
Curated OER

Regents Exam Questions G.G.26: Inverse 2

For Students 9th - 12th
In this inverse learning exercise, students solve 6 short answer problems. Students find the inverse of a given conditional statement.
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Worksheet
Curated OER

Regents Exam Questions GG 26: Contrapositive 2

For Students 10th - 12th
In this contrapositive instructional activity, students read logical statements.  Afterwards, they write equivalent statements as well as the inverse and converse of statements.  This three-page instructional activity contains 14...
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Worksheet
Curated OER

Six Multiple Choice Logic Question for Given Conditional Statements

For Students 9th - Higher Ed
In this logic instructional activity, students answer six multiple choice questions by finding the inverse, converse, and contrapositive of a given conditional statement.
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Lesson Plan
Virginia Department of Education

Exploring Quadrilaterals

For Teachers 6th
Sort this resource into the Use pile. Scholars investigate attributes of quadrilaterals and then use the results to sort and classify the shapes labeling each figure with their properties to justify the classifications.
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Lesson Plan
Illustrative Mathematics

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
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Worksheet
Curated OER

Volume and Surface Area of Polyhedrea

For Students 8th - 11th
In this volume and surface area learning exercise, students use given formulas to determine the volume and area of polyhedrea. This four-page learning exercise contains examples, explanations and 32 problems. Answers are provided on...