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  5. 7: Advanced Multiplicative - Addition and Subtraction

7: Advanced Multiplicative - Addition and Subtraction

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Jane has 4.3 metres of fabric. She uses 1.7 metres to make a dress. How much does she have left?

Student: I made the 1.7 into 2. 4.3 takeaway 2 is 2.3. Then I added on another 0.3 to make 2.6 metres.

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Students at the Advanced Multiplicative stage are learning to choose appropriately from a range of part-whole strategies to solve and estimate the answers to problems involving multiplication and division. These strategies require one or more of the numbers involved in a multiplication or division to be partitioned, manipulated, then recombined.