Tens Barrier Addition/6

Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...

Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...

An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...

Are you looking for word problems to fit into your Common Core math lesson? Use this resource to assess your third graders' problem-solving skills. They read 14 word problems involving multiplication and division, and write the answers...

Show your class all the hard work you have put into their lesson by showing this PowerPoint presentation. They will not only be proud of you, but it will help them solve multiplication and division word problems using the algorithms.

Know if the product is not correct. Pupils learn a quick check to see if a product is incorrect. The video uses the value of the units to check solutions to multi-digit multiplication problems. Two short worksheets allow learners to...

The instructor draws a diagram to represent a given value using base 10 blocks. She shows how to divide it up into groups just to give you a visual. She then demonstrates how to solve the problem using the long division method.

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...

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...

If you need to extend your four-digit addition example problems, this video is perfect. Sal provides a variety of practice problems firmly based on the place value system. Each problem is wonderfully explained using multiple colors and a...