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

Use this glossary with the EL Support Lesson Plan: Triangle Time.

Use these vocabulary cards with the EL Support Lesson Plan: Triangle Time.

Build student understanding of the defining attributes of triangles with this sorting activity. Students will cut out different shape cards and sort them into examples and non-examples of triangles.

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

Introduce your students to divisibility rules with this handy worksheet that goes over the rules and asks students to fill in examples.

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

This printable worksheet includes six different shapes: Rectangle, circle, hexagon, rectangular prism, sphere, and triangle. Can they match the shape to its name?

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

Find the facts within the number triangles in this engaging subtraction worksheet!

Build subtraction sentences with fact family triangles in this engaging worksheet!

Can your first graders tell the difference between a square and a cube? How about a triangle and a cone? Use this geometry assessment to gauge your students’ abilities to use attributes to sort 2-D and 3-D shapes.

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

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

Children will take note of the everyday shapes that surround them in this fun geometry activity.

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

Focus on fact fluency within 10 in this colorful addition worksheet!

It’s time to learn more about the equals sign! By filling in missing factors, students learn how the equals sign means “the same as.”

Help students learn how to use a protractor.

Learn a new addition strategy in this essential worksheet!

Learn multiplication facts fast with this fun fluency worksheet!

Master your addition facts with this colorful, inviting math worksheet!

Learn to navigate subtraction in this fun fact fluency worksheet!

Learn how the commutative property works with this colorful worksheet!

Learn your way around rounding with this essential worksheet!

Learn how to solve division problems with visual models!

Learn about income and expenses with these fun word problems.

Learn to multiply with the partial product strategy in this helpful worksheet!

Learn about fractions with a set of fun, real-world scenarios!