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Interactive
Curated OER

Self-Check for Triangle Congruence Proofs Multiple Choice

For Students 8th - 10th
In this triangle congruence learning exercise, learners select the postulate that is being illustrated to prove congruence between triangles. The learning exercise is self-scoring. Once students select the "check your work" link, they...
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Interactive
Curated OER

Proofs with Triangles Self-check Practice

For Students 8th - 10th
In this triangle theorems worksheet, students identify the theorem used to prove the specified triangular relationship. Students are shown an illustration of two or more triangles. They identify the postulate that would be used to prove...
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Worksheet
Curated OER

Rhombi and Squares Homework

For Students 8th - 12th
For this geometry worksheet, students set up and solve formulas to find missing angles and segments. When solving for x, the equations are just linear. There are 15 questions with multiple parts.
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Interactive
Curated OER

Area of 2D Shapes Multiple Choice

For Students 7th - 10th
For this area worksheet, students compute the area of circles, parallelograms and rectangles.  This one-page worksheet contains 5 multiple-choice problems.  Answers are provided in this online worksheet.
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Worksheet
Curated OER

Spheres Homework

For Students 8th - 10th
In this spheres worksheet, students determine the volume and area of spheres when given the diameter or radius.  This one-page worksheet contains 10 multi-step problems.
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Worksheet
Curated OER

Tessellations Homework

For Students 7th - 9th
In this tessellation activity, students draw tessellations using specified figures. This one page activity contains five multi-step problems.
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Worksheet
Curated OER

Guess & Check Extra Credit

For Students 8th - 10th
In this Pythagorean Theorem worksheet, students use the Pythagorean theorem to compute the length of a missing side.  They identify Pythagorean triples.  This three-page worksheet contains 34 problems.
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Lesson Plan
Curated OER

Symmetry

For Teachers 5th - 8th
Students explore symmetry. In this geometry lesson, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry and...
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Lesson Plan
Curated OER

3-D Attributes

For Teachers 4th - 6th
Students explore geometric solids. In this geometry instructional activity, students listen to the book The Greedy Triangle by Marilyn Burns, then work in groups to sort geometric solids into various categories. Students define geometric...
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Worksheet
Curated OER

Perimeter and Area

For Students 6th
In this measurement worksheet, 6th graders calculate the perimeter and area for 9 different squares. Students record their answers on the lines beneath each square.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 6th
In this measurement worksheet, 6th graders utilize the Pythagorean Theorem strategy to find the missing length on 8 triangles. Students put the answers on the lines provided underneath each triangle.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 6th
In this problem solving worksheet, 6th graders calculate the length of each missing side on 8 triangles. Students utilize the Pythagorean Theorem to calculate each side.
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Worksheet
Curated OER

Practice Exam Part 1: Vocabulary

For Students 4th - 6th
In this geometry worksheet, students practice constructing a variety of graphs with various degrees of vertices. Students determine whether 12 graphs have an Euler circuit or path.
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Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 8th - 10th
Learners use the inequality theorem to solve triangles and their properties. In this geometry lesson, students are given spaghetti of different lengths and asked to create triangles. They conclude the necessary length needed to make a...
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Interactive
Curated OER

Cutting A Note Card Big Enough for Someone to Walk Through

For Students 6th - 9th
In this hole worksheet, students decide whether it is possible to cut a hole in a note card big enough for someone to walk through it, and if so how.  The solution in provided.
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Lesson Plan
Curated OER

Scavenger Hunt for Lengths

For Teachers 6th - 8th
Students practice measurement using real world objects. In this scavenger hunt for lengths lesson, students collaborate to measure with rulers, yardsticks, trundle wheels, and tape measures.  Students must estimate the length then...
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Lesson Plan
Curated OER

Box-and-Whisker Plots

For Teachers 8th
Eighth graders measure in feet and inches and convert to explore the relationship between the converted measurements. In this measurement lesson, 8th graders use the whisker and box plot to represent the measurement of a cat.  Students...
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Lesson Plan
Curated OER

Surface Area

For Teachers 6th
Sixth graders compute the surface area. In this surface area lesson students are given a set of problems to calculate. They compute the surface area of cubes and rectangular boxes.
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Lesson Plan
Curated OER

Areas of Trapezoids, Rhombuses and Kites

For Teachers 8th - 10th
Students calculate the area of different polygons. In this geometry lesson, students find the area for trapezoids, rhombuses and kites.
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Lesson Plan
Curated OER

What Orbital Dynamic Variables are Responsible for Earth's Weather?

For Teachers 6th - 10th
Young scholars explore the changing of the seasons. In this astronomy and seasons lesson, students construct a model of the revolution of the sun and the moon. Young scholars compare the recorded solstice/equinox orbital positions and...
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Lesson Plan
Curated OER

Fall Plowing: Drawing to Scale

For Teachers 6th - 8th
Students explore coordinates and scale drawings. In this drawing to scale instructional activity, students discuss symmetrical and asymmetrical shapes, geometric, shapes and estimation of size.  Students recreate a portion of a drawing...
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Worksheet
Curated OER

Scale Drawing

For Students 8th - 10th
In this geometry worksheet, students use the correct units to measure distance, length, diameter and height. There are 8 questions with an answer key.
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Worksheet
Curated OER

Inscribed and Central Angles in a Circle

For Students 8th - 10th
In this geometry instructional activity, students find the missing angle that is inscribed inside of a circle. They define vocabularies related to the circle. There are 17 questions.
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Worksheet
Curated OER

New York State Testing Program

For Students 7th - 10th
In this math worksheet, students review concepts in algebra and geometry in preparation for the State Exam. They review slopes and functions, area and perimeter. There are 27 questions.