Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

Learners solve 12 three- and four-digit problems as they work on their multidigit addition skills.

Use your addition and decoding skills to solve eight problems in this fun math puzzle!

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

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.

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

How many shells did Sally sell by the seashore? Get your student in gear for math with this addition worksheet.

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

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.