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

Our I can statement is I can add and subtract three-digit numbers. Mia and Lin were asked to find the value of 500 minus 387. On the screen, we can see how Mia decided to answer the problem.

Digits. Credit: Erik Kain. You clearly can’t simply add all these numbers together and get to 481. But it’s also not at all clear which numbers need to be multiplied or added in order to get ...