Addition of Two and Three Digit Whole Numbers

By adding the tens and ones place separately, beginners to addition can easily complete 10 double-digit addition problems. This is an excellent worksheet, as it visually sets learners up on the pathway to this strategy. They simply...

Young mathematicians solve 100 problems that require adding three-digit and two-digit numbers. Regrouping is required. The answer key is provided.

Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...

Learners add one and two digit numbers together with the help of a number line. There are 18 problems to complete.

Practice counting forward and backward—one through 10—with a music video singing the classic tune, One Potato Two Potato. 

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...

Visual models are invaluable tools when teaching about fractions. Follow along as the instructor works through two examples, providing clear verbal and visual explanations of the steps for multiplying fractions by whole numbers. Young...

Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...

Subtracting three-digit whole numbers is as easy as following along with this video. You'll discover that you can borrow a ten from the tens column if you need to. Academic vocabulary is used throughout.

For this multiplication worksheet, 4th graders solve 12 problems in which 2 digit numbers are multiplied by one digit. There will be regrouping on this page.