After kids solve the two-digit addition and subtraction problems on this second grade math worksheet, they use the key to color in the shapes on the mosaic.

Represent ones and tens with crayons in this fun worksheet.

Represent tens and ones with crayons in this fun worksheet.

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

Test your addition skills with this helpful hundred chart worksheet!

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

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!

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

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

An adorable whale is here to help your child practice addition and learn about inequalities in this cheerful 2nd grade math worksheet.

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Use your knowledge of place value to solve addition problems with this first- and second-grade worksheet!

Featuring two-digit addition problems and a bonus word puzzle at the end, this 2nd grade worksheet is big on fun without skimping on the math enrichment.

Addition and subtraction practice can get a little repetitive, so mix it up with this funny under the sea worksheet.

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!

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Tackle two-digit addition with place value charts in this helpful worksheet!

Give your second grader's two-digit addition skills some practice time with a worksheet that's heavy on learning--and fun!

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

Combining advanced two-digit addition with inequality statements, this 2nd grade math worksheet really packs a punch.

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

Your second grader can work hard on these challenging double-digit addition problems, and then move onto the fun coloring activity!

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

Give your second grader's two-digit addition skills a healthy work out with a worksheet that's heavy on learning--and fun!

Multi-digit addition can be tricky. Teach your third graders fast addition and they will be on their way to mastering this concept.

Send your second grader on an underwater double-digit addition challenge!

Use this exercise to give your students practice solving word problems with addition, subtraction, or a mix of both operations.