If the two numbers in a place value column add up to ten or more, you must regroup. This means breaking a number up into thousands, hundreds and tens to help with the addition. Let's look at a ...

Learn how to use column addition to add 3-digit and 2-digit numbers with this Year 4 Bitesize learning guide for KS2.

Learn activities for third grade math to prepare for school. Teach your children 3rd grade math skills like fractions, multiplication tables and division.