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

Children add 10 or 1 to move through the hundreds chart to get to 100 in this fun addition worksheet.

Master addition with ten frames in this colorful worksheet!

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

Got a speed demon on your hands? See how fast he really is with this worksheet that asks him to think of 5 things he can do in under 10 seconds.

Master making ten to help you solve addition problems in this helpful worksheet!

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

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.

Practice addition within 10 with this Halloween math workheet!

Practice addition within 10 with this Halloween math workheet!

Practice addition within 10 with this Halloween math workheet!

Practice addition within 10 with this Halloween math workheet!

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!

This worksheet engages second graders in a fun, connect-the-dots activity while encouraging counting in multiples of nine.

This coloring page dot-to-dot uses skip counting as an unexpected way to tie in multiplication learning and reviewing multiples of three!

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

Use your addition skills to build your own number city in this unique worksheet!

Ignite problem-solving prowess in your young math learners with this fun Easter puzzle worksheet!

Play around with this monkey as you practice skip counting by 11! This counting challenge will help your kid learn multiples, a great intro to multiplication.

Practice is the best medicine for a second grader struggling with two-digit addition. This fun worksheet's sure to help him out!

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Santa has left 10 Christmas gifts under the tree. Each present has an addition or subtraction problem for your second grader to solve.

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

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

Enjoy a fun coloring activity while you review simple math facts! Santa has left 10 gifts, each with an addition or subtraction problem to solve.

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.