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Lesson Plan
Curated OER

Geometry Regents Questions: Isosceles Triangle Theorem

For Teachers 9th - 12th
In this isosceles triangle worksheet, students solve 19 multiple choice and short answer problems.  Students use the isosceles triangle theorem to determine unknown angle measures.
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Lesson Plan
Curated OER

Geometry of Triangles - Week 6

For Teachers 12th - Higher Ed
In this geometry of triangles worksheet, learners find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
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Interactive
Curated OER

Identifying Triangles

For Students 10th
In this geometry worksheet, 10th graders identify a triangle as right, acute, or obtuse and identify the parts of a right triangle in a drop and drag game format.  The one page interactive worksheet contains eight matching questions and...
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Worksheet
Curated OER

Angles

For Students 6th - 8th
In this math learning exercise, students measure a series of angles. Then they measure the angles in the triangles and determine the sum of the angles.
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Worksheet
Curated OER

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 3 extensive informal geometry problems that involve triangles. First, they sketch a triangle, selecting 3 of the sides and constructing 3 midpoints. Students then draw each of 3 medians by...
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Worksheet
Curated OER

Identify Triangles

For Students 3rd - 5th
In thins triangles review worksheet, students examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
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Worksheet
Curated OER

Geometry Course Review

For Students 10th
In this geometry review set of worksheet, 10th graders solve and complete 139 various types of problems. First, they find the slope-intercept form of a line passing through a point and parallel to a line given. Then, students find the...
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Worksheet
Curated OER

Determine the Measure of an Angle of a Right Triangle.

For Students 10th - 11th
In this geometry worksheet, students solve word problems by finding the values of missing angles and missing sides of triangles. They review their trigonometric properties of a right triangle. There are 9 problems with an answer key.
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Worksheet
Curated OER

Properties of Angles, Lines, and Triangles

For Students 10th
In this properties of angles, lines and triangles instructional activity, 10th graders solve and complete 28 different problems that include determining the measurement of various figures shown. First, they use the geometric properties...
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Worksheet
Curated OER

Easy Worksheet: Classify the Triangle

For Students 9th - 12th
In this classify the triangle worksheet, learners solve 6 short answer problems. Students identify the type of triangle being described according to its angle measures and side lengths.
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles activity, 10th graders solve and complete 12 various types of problems. First, they solve for x given each of the right triangles shown. Then, students determine the length of the shorter diagonal given the...
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Worksheet
Curated OER

Chapter 8 Test: Geometry Vocabulary

For Students 7th - 9th
In this geometry worksheet, students match geometry words to illustrated examples. They find the missing angle of given polygons. This eight-page worksheet contains 45 problems. Answers are provided on the last two pages.
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Worksheet
Curated OER

Geometry and Measurement Pre-Test

For Students 6th - 10th
Use this comprehensive pre-instruction assessment tool to focus your teaching where your class needs it most. Multiple choice questions assess your budding geometers' conceptual and vocabulary knowledge, but they do not solve any...
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Interactive
Curated OER

Shapes and Angles

For Students 4th
Are your geometry whizzes learning about angles and shapes? This online worksheet gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
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Interactive
Noetic Learning

Kinds of Triangles (Online Interactive)

For Students 3rd - 4th
In this triangles learning exercise, students analyze pictures of four triangles. For each triangle, students mark if it is acute, obtuse, or right.
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Interactive
Curated OER

My Test Book: Geometry

For Students 3rd - 4th
For this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
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Worksheet
Curated OER

Geometry

For Students 3rd - 5th
In this geometry review game worksheet, learners use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
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Worksheet
Curated OER

Angles ~ Right Angles

For Students 9th - 10th
Have your class review how to identify right angles. Learners identify right angles, and then write the number of angles found in each shape.
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Worksheet
Curated OER

Triangles

For Students 3rd - 4th
In this triangles worksheet, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
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Worksheet
Curated OER

Similar Right Triangles-Introductions to Trigonometry

For Students 9th - 10th
In this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle. The...
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Worksheet
Curated OER

Angles

For Students 5th - 8th
In this angles worksheet, students answer multiple choice questions about different types of angles and measurements of angles. Students complete 6 questions total.
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Worksheet
Curated OER

Easy Worksheet: Types of Triangles

For Students 9th - 12th
In this types of triangles worksheet, students solve 6 short answer problems. Students identify the type of triangle being described according to side length or angle measure.
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Lesson Plan
EngageNY

Cyclic Quadrilaterals

For Teachers 9th - 12th Standards
What does it mean for a quadrilateral to be cyclic? Mathematicians first learn what it means for a quadrilateral to be cyclic. They then investigate angle measures and area in such a quadrilateral.
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Worksheet
Curated OER

Identify Triangles

For Students 5th - 6th
In this triangle worksheet, students identify triangles as either, right, acute, obtuse, equilateral, scalene or isosceles. A reference web site is given for additional activities.