7: Advanced Multiplicative - Addition and Subtraction

 

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.

36 + 18 + 27
121 - 66
26.6 + 27.5
4.3 - 1.7