Thursday, 23 July 2015

Working out hard x questions using Tidy numbers



For maths we have been learning how to work out difficult times questions using tidy numbers. 
Our walt was: 
Walt: Use tidy numbers to solve x problems

This is how you do it.

3 x 79 = 237
3 x 80 = 240 - 3 x 1 = 237

Here is my workings in my group book when I first got told how to do it:

This is my follow up answers in my grid book:


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