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Mathematics: Number
Level indicator: Level 1i - Counting From One Level 1ii - Advanced Counting Level 2 - Early Additive Level 3 - Advanced Additive and Early Multiplicative Level 4 - Advanced Multiplicative Level 5 - Advanced Poportional

Number strategy

Advanced multiplicative

 Number strategy progression
About the Exemplars
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What the work shows

The task

The teacher set the problem: "Josh earns $28 a week delivering circulars after school. How much will he earn in four weeks?" She asked the students to explain how they got their answer.

30 times 4 minus 8 gives 112 dollars. Images of student problem solving process

Robyn's work shows that she is able to solve a problem by partitioning and recombining the numbers and by using known multiplicative facts.


28 times 4 is double 56, which is 112. Images of student problem solving process

Uili's work shows that he is able to solve a problem by partitioning and recombining the numbers and by using known multiplicative facts.


I did 8 times 4 is 32 and 20 times 4 is 80. 80 plus 32 is 112. Images of student problem solving process

Yeu-ching's work shows that she is able to solve a problem by partitioning and recombining the numbers and by using known multiplicative facts.

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