Multiple Number Addition: Three-Digit; Three Numbers (A)

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.

Twenty practice problems, perfect for a review, homework, or a quiz! Learners subtract three digit numbers from three digit numbers to answer each problem. 

Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...

Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...

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...

This is a cute lesson that kids will be able to relate to. They are shown how to trade tens and regroup when adding and subtracting two digit numbers. The nice thing about this lesson is that it can be personalized to fit your class.

The teacher gives a very thorough explanation of how to set up and multiply numbers vertically. She emphasizes place value and where the numbers go when you multiply them (carrying).

Finding patterns is an essential skill for mathematicians of all ages. Follow along with Zoe as she walks step-by-step through the process of identifying and completing number patterns. Work through the Try It! problems as a whole class...

The second of eight videos on rounding whole numbers to the nearest 10 or 100 describes how to use a number line to create benchmark numbers. A review of place value and counting by 10s starts off the lesson, followed by a discussion on...