Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...

Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...

Learning how to regroup when subtracting numbers can be challenging and requires a solid understanding of place value. Walk your class through the steps with a clear and explicit presentation that addresses standard regrouping and...

In this subtraction practice activity, students use their math skills to solve 20 problems that require them to add 2 digit numbers without regrouping, borrowing, or trading.

In this online interactive subtraction with regrouping worksheet, students solve 18 problems that require them to subtract 3 digit numbers from 3 digit numbers with regrouping.

Explains how to subtract from two-digit numbers, with or without regrouping.

Do long subtraction with regrouping or borrowing. Enter whole numbers or decimal numbers to find the difference. This calculator finds the answer using long subtraction with regrouping and shows the work step by step.

Explains how to subtract from three-digit numbers, with or without regrouping.

Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.