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.

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

This first grade math worksheet helps your child visualize how addition works by presenting addition problems two ways: with numbers and with dots!

Does your first grader need help with two-digit addition? This colorful fairy-filled worksheet is a great way to give her the practice she needs.

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

Learn to use the commutative property with three-addend addition expressions!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this colorful fruit- and vegetable-themed worksheet!

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

Use Election Night to teach your child about politics and government, and have them add up the electoral votes each presidential candidate earns throughout the night.

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Practice adding ten to any number with this hundreds chart that helps kids master counting and place value.

Step up your place value skills with these engaging addition problems!

Would your first grader rather color fairies than do her math? With this worksheet, she can do both! This fairy practice sheet focuses on two-digit addition.

It's the Winter Olympics, and two skiers are racing down the mountain. Get your kid to find out who wins with our combination math and color-by-number activity.

Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.

Try solving near-doubles facts with these nine problems!

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

Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!

This second grade math worksheet doubles as a coloring page. Children practice two-digit addition with carrying and get to color when they're done!