Search 4th Grade 4.G.A.1 Angle Educational Resources

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4.G.A.1
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How well do you know your angles? Let's find out! Use this geometry resource to help your students identify and differentiate between important angles such as acute, obtuse, straight, and right angles.

Math
Worksheet
Right Angles Geometry
Worksheet
Right Angles Geometry

Math
Worksheet
Measure and Classify Angles
Worksheet
Measure and Classify Angles

Students get to practice measuring angles using built-in protractors in this fun geometry activity! After measuring, they'll put their angle knowledge to the test by classifying each angle as acute, obtuse, right, or straight.

Math
Worksheet
Math Review Part 3: Geometry Galore!
Worksheet
Math Review Part 3: Geometry Galore!

Use this year-end assessment to check students’ grasp of key fourth grade geometry concepts.

Math
Worksheet
Identifying Triangles: Acute Triangles
Worksheet
Identifying Triangles: Acute Triangles

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Math
Worksheet
Glossary: Geometry Vocabulary: Lines.
Worksheet
Glossary: Geometry Vocabulary: Lines.

Use this glossary with the EL Support Lesson: Geometry Vocabulary: Lines.

Math
Worksheet
Obtuse Angles
Worksheet
Obtuse Angles

Introduce your child to different angles starting with an obtuse angle and see him find the obtuse angles in this worksheet.

Math
Worksheet
Drawing Angles
Worksheet
Drawing Angles

Help your fourth graders take their understanding of angles and lines to the next level with this creative geometry challenge! Students will have fun drawing various types of shapes based on written descriptions and your students' knowledge of angles.

Math
Worksheet
Identifying Triangles: Right Triangles
Worksheet
Identifying Triangles: Right Triangles

Math
Worksheet
Vocabulary Cards: Geometry Vocabulary: Lines
Worksheet
Vocabulary Cards: Geometry Vocabulary: Lines

Use these vocabulary cards with the EL Support Lesson: Geometry Vocabulary: Lines.

Math
Worksheet
Obtuse Triangles: Identifying Triangles
Worksheet
Obtuse Triangles: Identifying Triangles

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!