Test your knowledge of the commutative property with this essential worksheet!

Shape up your addition skills with these square puzzles!

Is your child comfortable with adding double-digit numbers? If he's getting there here's a different take on addition problems!

Children skip count by threes to connect the dots and discover the hidden picture.

Add some color to these Christmas presents in this color-by-number mental math worksheet. Kids will exercise addition and subtraction skills.

Your young learner can have a blast experimenting with addition facts in the Math Lab!

Practice your fluency facts with this addition worksheet for kindergarteners and first graders!

Your child can exercise addition and subtraction skills at Christmas time with this mental math worksheet. It also includes a bonus coloring exercise.

Make the math concept "less than" more clear with a colorful worksheet that gets him practicing with number comparisons to make each equation true.

Practice a visual strategy for addition with regrouping in this second-grade worksheet!

Challenge your third grader to figure out the addition and subtraction patterns on this worksheet.

Journey to addition expertise in this charming first-grade worksheet!

Practice addition while solving number puzzles in this engaging worksheet for first and second graders!

Strengthen your fluency skills with this beach-themed addition worksheet for first and second graders!

See what sums you roll with this fall-themed addition worksheet for kindergarteners through second graders!

Help kindergarteners and first graders boost their addition skills with this worksheet!

Test your skills with doubles facts in this addition worksheet!

Can you tell the difference between the associative, commutative, and identity properties?

Search for numbers in a hundred chart with this helpful first-grade worksheet! 

Try your hand at turnaround facts with this interactive addition worksheet for first graders!

Learning takes flight in this colorful addition worksheet!

Make your way through a maze of addition problems in this engaging worksheet!

Shoot for success in this basketball-themed addition worksheet!

Solve math puzzles so you aren’t puzzled by addition problems in the future!

Use place value charts to solve word problems in this second-grade addition worksheet!

Can you decode the secret message hidden in these addition problems?

Get on a roll with your addition skills in this engaging worksheet!

The ball is in your court as you solve these addition problems!

Get ready for some magic math with this exciting worksheet!

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