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

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

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.

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.

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.

Put your logic skills to the test as you add and subtract large numbers.

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

Put your logic skills to the test with these addition and subtraction problems. Each math problem has missing digits and you must be able to fill in…

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

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

In this worksheet, children use number lines to practice adding and subtracting decimals to the tenths and hundredths place.