Have your students practice adding areas with rectangles with an interactive game!

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

Children find the unknown angles for five triangles, then identify whether the triangle is right, acute, or obtuse, in this geometry worksheet.

Fifth graders review types of angles, triangles, and polygons in this handy geometry review.

Use this glossary with the EL Support Lesson: Describing Angles.

In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.

Use these vocabulary cards with the EL Support Lesson: Describing Angles.

Identify angles in real-world examples and sort them based on their characteristics.

Count Calloway is having trouble with his dungeon remodel, and he desperately needs some help from a measuring master.

Challenge your fifth grader to find the total length of this long, angled ski trail by adding up the lengths of each individual segment.