WALT: solve multiplication problems by using place value partitioning
39 x 16 =
10 x 16 = 160
10 x 16 = 160
10 x 16 = 160
9 x 16 = 144
160 + 160 + 160 + 144 = 624
39 x 16 =
30 x 10 = 300
30 x 6 = 180
9 x 10 = 90
9 x 6 = 54
300 + 180 + 90 + 54 = 624
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