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

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

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

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.

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.

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.

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.

Improve your fourth grader's math addition skills and have him complete a fun coloring activity using one simple worksheet.

Children practice adding integers and decimals to the thousandths place in this practice worksheet.

Children solve a series of problems to trace a path from start to finish in this fun math puzzle worksheet.