Chiefs - watch this video to review the written subtraction method. You need to work together to make sure everyone in the group can follow it.
The tricky part: Borrowing from the tens and hundreds and how to record that part. Watch how the video shows you to record this step.
Then try the questions on the whiteboard.
Click on the button to watch a video about this strategy:
Now try these in your workbook, showing the thinking steps like in the example above:
The Arrowsmith teachers had a good chat about basic facts over the holidays and had a look at our results from term 1. We looked at everyone in year 5 as a group and everyone in year 6 as another group. Here is what we looked at: