Can you remember how we one number from another? Give this problem a try.
Use the number line to help you find the value of 46 - 12.
We can use place value models as well as the bridge to ten strategy to help us with subtraction. Let's see how in this video.
Use a strategy to find 36 - 7.
Another way to solve subtraction is to use the compensation strategy. In this video we can see just how it works.
If 90 - 13 = 77, use a strategy to find 89 - 13.
uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers