It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Help students get a grasp on mentally adding or subtracting 10 from a multiple of 10 with this fun BINGO game!

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

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Introduce this graphic organizer as a way to help students think about whether or not certain rules or characteristics apply to mathematical ideas always, sometimes, or never.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.