Rectangular prisms make for great rooms! Help your students develop an understanding of this 3-D shape while turning them into rooms in this fun geometry lesson. How would you decorate your rectangular prism room?

Where are all the rectangular prisms? With this worksheet, they are in the classroom! Your second graders will have fun identifying all the rectangular prisms in a picture of a classroom.

Look closely and you will find… rectangular prisms! Help students recognize this 3-D shape while examining a kitchen scene.

Use this rectangular prism cut-out to help your child learn more complex geometric shapes, or practice finding the surface area or volume of an object.

Rectangular prisms can turn into lots of different things! Help your students develop an understanding of this 3-D shape while creating pictures of different objects. Get ready to let your imagination soar with this creative geometry lesson!

Use this glossary with the EL Support Lesson Plan: Adding Within 20.

Use this worksheet to get your students looking at arrays and noticing the similarities and differences.

This worksheet gives your 3rd grader practice translating arrays into equations and vice versa. Have him match the equations to the visual arrays.

In this worksheet, your 3rd grader will match arrays to the corresponding equation.

Children will use star arrays to solve 11 single-digit multiplication problems.

Use these vocabulary cards with the EL Support Lesson Plan: Adding Within 20.

Let’s practice compensation strategy to subtract within 1,000!

Color in hearts to complete the arrays and solve the division problems!

It's time to check in on those subtraction skills! Use this to assess your student’s abilities to subtract within 20.

Test your skills with division, arrays, and remainders in this essential matching worksheet!

Children explore the concept of commutative properties with the visual aid of arrays.

Calculate the area of rectangle spaces in this measurement and data worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: What Are Arrays?

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

Familiarize yourself with arrays and practice using them to write multiplication sentences in this worksheet.