Introduce how numbers can be rearranged to make multiplying easier, using the commutative property and the associative property. Students then break apart a multiple of 10 and regroup the factors to solve multiplication problems, including spotting mistakes in worked examples.
What's included:
Teaching slides introducing the commutative and associative properties
8 practice slides breaking up and regrouping multiples of 10 to solve multiplication problems, including spot the mistakes tasks