Super Subtraction Skills


Over the last 2 weeks we have been doing subtraction.We did 7 different ways. The hardest was using a number line counting up and down but I understand it now.These are the 7 ………

.jump strategy on a number line
.regrouping in a algorithms
.The biggest number goes first
.Space invaders
.Making zero
. Subtraction and addition are related
.term one we did -9 strategy take away 10 + 1





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