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...

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...

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

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

Place value is a concept that sets a foundation for mathematical understanding. Ordering these sets of three- and four-digit numbers will help to strengthen that foundation. A great independent practice worksheet or short assessment to...

When learning to add large numbers, having a solid understanding of place value is essential. In the second lesson in this series, young mathematicians see how expanded notation can make addition of three- and four-digit numbers much...

Prior experience with addition of fractions guides young mathematicians as they learn how to multiply fractions by whole numbers. The first video in this two-part series outlines this process with clear explanations and examples....

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...