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.

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

Find the facts within the number triangles in this engaging subtraction 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.

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

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!

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

Triangles, trapezoids, rhombi...oh my! Identifying different shapes is an important milestone for young learners. Use this colorful activity to assess your first graders’ abilities to recognize and differentiate between 2-D shapes.

This printable worksheet includes six different shapes. Ask your students to identify the shape in each column by coloring it in.

Looking for a worksheet to help you child's math skills in fractions? This printable will give him practice identifying the fraction one-fourth.

Help your child with reading and identifying fractions with this printable worksheet, which focuses on the fraction 1/3.

Get familiar with doubles fact families in this charming first-grade worksheet!