Groups of ten make addition a breeze! Use this nifty worksheet to learn about the "circle ten" shortcut.

Master addition with ten frames in this colorful worksheet!

Master the make 10 strategy for solving addition problems in this helpful worksheet!

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

Practice a helpful strategy for adding single-digit numbers in this worksheet, the second entry in a scaffolded series!

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

Help your little one review her math facts with a fun coloring activity, where she'll solve and then color the addition and subtraction problems in each gift.

Test your second grader's knowledge of addition and subtraciton with these challenging Christmas word problems!

Practice addition under 20 with visual models in this useful math worksheet!

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

There are 10 gifts under the Christmas tree, but they're missing their colors. Your child will use his math and creative skills to color them in this worksheet.

Practice adding doubles with this colorful worksheet!

Learn how to use doubles facts to solve other addition problems!

Strengthen your second grader's ability to tackle his addition facts by adding up the number strings, and uncover a fun fact when he's finished.

Use the worksheet, Holiday Shopping 2, to help your first and second graders practice adding or subtracting word problems. Learners will answer the problems and then discuss their answers with partners to show their understanding.

Help your first and second-graders practice adding and subtracting with this holiday-inspired word problem worksheet. Use the Holiday Shopping worksheet to help your learners discuss their answers with partners as well.

Swing through the trees with this multiplication monkey! Your child will practice skip counting by 3s, preparing himself for multiplication as they go.

Can you tell what bird this is? Have fun with a skip-counting dot-to-dot, the perfect way to introduce your child to multiplication.

This worksheet is a fun way to practice skip counting by nine, addition facts, and number sense skills.

Practice solving near-doubles facts with this engaging worksheet!

This worksheet is a fun way to practice skip counting by seven, addition facts, and number sense skills.

To complete this adorable worksheet, have your second grader re-write each addition equation vertically and then solve using regrouping.

Invite your learners to hop into some fun with this seasonal Easter puzzle worksheet!

Solve addition problems using the near-doubles method with this helpful worksheet!

Try solving near-doubles facts with these nine problems!