Hurry! If these numbers aren't added quickly using regrouping, they'll pop!

Learners make the connection from counting and addition to multiplication in this equal groups worksheet.

Practice adding doubles with this colorful worksheet!

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

Practice adding dollar and coin amounts with this money math worksheet!

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

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Learn how to use doubles facts to solve other addition problems!

From reading a clock to adding time, this quick quiz covers a variety of second grade time concepts.

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

Practice multi-digit addition with this hundred chart worksheet for second graders! 

Your second grader will become an addition pro with worksheets targeted at developing mental math skills and an understanding of adding multiple columns!

Bolster your third grader's addition skills with at-home practice in three-digit addition.

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

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Test your addition skills with this helpful hundred chart worksheet!

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

Solve time and elapsed time word problems in this library-themed math worksheet!

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Let this cheery, colorful worksheet cheer your second grader on as he practices double-digit addition!

Assess your ability to add and subtract tens with this second-grade math worksheet! 

Start your engines and rush toward the finish line in this engaging addition worksheet!

Kids solve addition problems with two-digit addends using regrouping on this third grade math worksheet.

Sharpen second graders' hundred chart know-how with this addition worksheet!

Practice solving near-doubles facts with this engaging worksheet!

Kids count up the coins, then circle the correct amount.

Review subtraction with this worksheet that asks kids to subtract, then use the relationship between addition and subtraction to check thier work.