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Multiplication LI: To be able to write number sentences to describe an array
I have 12 counters. How could I arrange them into equal rows?
What number sentences could you write to go with this array? 2 x 6 = 126 x 2 = = = 12
Can you think of any other ways to arrange the counters?
What number sentences could you write to go with this array? 4 x 3 = 123 x 4 = = = 12
Could you arrange 20 counters?
What number sentences could you write to go with this array? 10 x 2 = 20 2 x 10 = = = 20 OR …
4 x 5 = 20 5 x 4 = = = 20
Now try doing this on your own. 6 counters 14 counters 15 counters 9 counters 8 counters 18 counters
6 counters 2 x 3 = 63 x 2 = = = 6
2 x 7 = 147 x 2 = = = counters
3 x 5 = 15 5 x 3 = = = counters
3 x 3 = = 9 9 counters = 9
2 x 4 = 84 x 2 = = = 8 8 counters
2 x 9 = 18 9 x 2 = = = counters
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