Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Test your addition skills with this helpful hundred chart worksheet!

Find friends in trusty tens with this colorful addition worksheet!

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

This math worksheet tests your child's addition and riddle-solving skills. Find out the answer to the riddle, "Which month has 28 days?"

Why was 6 afraid of 7? 7 8 9 (seven ate nine)! Find more funny riddles to solve with this awesome addition worksheet.

To determine this hero's mystery code name, your second grader needs to find the answers to this page full of two-digit addition problems.

What is a math teacher's favorite dessert? Pi! Find more funny riddles by doing this worksheet--a perfect combination of math practice and brain teasers.

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

This worksheet isn't for beginners! Let your math savvy kid take on this carrying challenge. Can he add up these big numbers to find the correct sum?

Can your second grader dig a little deeper into number comparisons? Have her find the missing number that makes each "greater than" equation true.

Why is 2+2=5 like your left foot? ...Itâs not right! Find more riddles with this awesome worksheetâa perfect combination of math practice and brain teasers.

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

Make two-digit addition easier with this inviting worksheet!

Practice adding two-digit numbers with this compensation worksheet for second and third graders!

Create models of addition problems with this compensation worksheet for second and third graders!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

Test your talent in two-digit addition with this colorful math worksheet!

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.

Your second grader will practice his addition facts and have fun doing it in this math worksheet featuring two-digit addition and a word puzzle at the end!

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

Challenge your second grader to help Elouise determine the final height of her chrysanthemum, using her addition skills!

Practice your place value skills while you add in this helpful worksheet!

Encourage your second grader to help Geraldine keep track of how tall her sunflower grows with this fun addition worksheet.

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

Step up your place value skills with these engaging addition problems!

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

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.