In Xtramath I have been trying my best to get to the next stage times table. So all I need to do to finish my chart is to practice 11-8=3 and 15-6=9
Here is one of the strategies I have been using to help me with my Xtramath.
11-8=3 15-6=9
11-3=8 and 15-9=6
8+3=11 6+9=15
3+8=11 9+6=15
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