Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Kids try to "catch" the bouncy balls on this second grade math worksheet by solving subtraction problems with three-digit numbers using regrouping.

Give this worksheet a spin, and you'll be on your way to three-digit addition and subtraction success.

Three different types of animal prints can be found in this worksheet. Students will practice counting by adding up all the prints.

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

Practice identifying and writing the names of 2-D and 3-D shapes with this geometry worksheet! 

Use these vocabulary cards with the EL Support Lesson Plan: Writing Three-Digit Number Names.

Use these vocabulary cards with the EL Support Lesson Plan: Thinking About Three-Digit Numbers.

Children stretch their regrouping skills as they solve three-digit subtraction word problems.

Master three-digit subtraction in this challenging second-grade worksheet!

Practice your fractions with a fun, visual activity! Your first grader will get to practice his fraction 1/3 by looking for shapes that are one third shaded.

Show off your number knowledge by tracing, finding, and coloring numbers 1–3!

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Make three-digit subtraction easier with this helpful second-grade worksheet!

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

Practice three-digit addition using open number lines with this second-grade math worksheet!

Practice three-digit subtraction using an open number line with this second-grade math worksheet!

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Are your students' math skills greater than or less than your expectations? Use this quick assessment to gauge your second graders' understanding of three-digit numbers.