Your can experiment with addition facts here in the math lab. Can he write the missing addition symbols and complete the problems?

Add numbers within 20 using ten frames with this first-grade math worksheet!

Practice finding missing numbers while adding within 20 using ten frames!

Not only can your child practice her math facts with numbers between 1 and 20, she'll also practice writing addition problems with the correct symbols.

Your student will practice her addition skills with this number line worksheet. Skip along the number line to solve the addition problem!

Use this visual model to practice adding 10 to two-digit numbers!

Learn a new addition strategy in this essential worksheet!

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

Master addition with ten frames in this colorful worksheet!

Practice addition and subtraction with this first-grade hundred chart worksheet!

Work with doubles and hone your addition skills in this helpful math worksheet!

Master the math of making 10 and 20 with two addends in this helpful addition worksheet!

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

Learn to navigate a hundred chart with this first-grade worksheet!

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

Build up your addition skills in this model-making addition worksheet!

Learn to make ten by using ten frames with this first-grade worksheet!

Try using the associative property in this fill-in-the-blank worksheet!

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

Learn a new addition strategy using ten frames in this first-grade math worksheet!

Single-digit addition is a leap away using number lines like the ones on this worksheet.

Sail smoothly through addition practice with this hundred chart worksheet for first and second graders!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Help first and second graders practice solving near-doubles facts using this fun worksheet!

Practice using place value charts to find sums with this addition worksheet for first and second graders!

Your child will practice subtraction, by using inverse operations. Find the missing numbers to solve the subtraction problems.

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!