Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

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

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

Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.

Give students practice adding three-digit numbers within 1,000! 

Addition and subtraction fact families get a lift from this squad of rocket ships. Help your child practice addition and subtraction with this worksheet.

Brave math explorers can venture through a jungle of one and two digit addition problems with this worksheet!

Build your child's confidence in knowing math facts, so that he gets nothing but net. Take a shot at addition and subtraction problems!

The fifth page of this series takes things up a notch for your child, whether she's building addition and subtraction facts fluency or just practicing.

This printable game, called 101 and Out!, is a great way for kids to practice their place value skills by using a hundreds chart.

Decode the secret message Ninja Aki has sent you! He writes his messages in addition and subtraction problems. Solve and unravel his secret ninja message!

Addition gets a hand-up with this math ninja worksheet; part of a set of ninja themed two-digit arithmetic printables!

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Practice 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!

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

Use open number lines to practice addition within 100 with this colorful math worksheet!

Ninjas can be very mysterious and secretive. Solve the riddle with some addition to unlock one of their secrets!

Test your child's strength in double-digit subtraction and addition with this ninja worksheet. Challenge his abilities with these tricky word problems!

Help your child practice adding four-digit and three-digit numbers! This Easter-themed math worksheet is more interesting than your average printable.

Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.

Practice three-digit addition using open number lines with this second-grade math worksheet!

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Can your child flex addition skills to solve these ninja riddles? Help her master double-digit addition with practice. Fine more ninja riddles and math here!

Help your math ninja with his subtraction and target practice. He can practice two-digit subtraction and borrowing (also called regrouping) with this worksheet!

Help your math ninja with his addition and target practice. He can practice two-digit addition and carrying (also called regrouping) with this worksheet!

Give a kick to addition! Your little math ninja can practice two-digit addition and carrying (also called regrouping) with this worksheet!

Practice those money and math skills with this delicious worksheet! Cut out the paper coins and use them to buy candy.

Explore properties of operations while writing addition equations in this second-grade math worksheet!