Exponents Followup Week 2 Term 3

I have learnt 82 - 28 = 54 and 84 - 65 = 19. I use Subtraction by going 82 - 28 = 54 82 - 2 = 80  80 - 20 =60  60 - 6 = 54. 84 - 65 = 19 84 - 4 = 80 80 - 60 = 20  20 - 1 = 19.

Walt: Use more than one strategy to solve number problems