Explain that different lengths can be composed additively and multiplicatively
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I can explain that different lengths can be represented as addition and multiplication.
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Partitioning 100 in different ways can be used to compose lengths.
There are four 25s in 100 so there are four 25cm lengths in 1m.
1m divided into four equal parts is 25cm or 0.25m.
1m divided into five equal parts is 20cm or 0.2m.
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