First, watch the video. It will remind you of all the things that are important when we add two numbers using column subtraction, and also of the mistakes that can be easy to make when we are subtracting in a column.
Part 1 is the main video to watch today, though you may also like to watch Part 2 as it covers what to do if you need to exchange across 0 as a place holder.
Then sharpen up your column subtraction skills by answering the Activity 2 questions.
Remember to record your exchanges carefully! If you don't have a printed copy of the sheet, you can just record your working and answers in your exercise book, or on a piece of paper.
When you've finished, check your answers with the answer sheet.
Send us a message if you have any questions or need help with any of your answers. We love seeing what you're up to!