Step 9 Objective
Understand the effects of multiplying and dividing by numbers between 0 and 1.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
What if pupils find this a barrier?
Explore using a calculator.
For example, start with 100 and then multiply or divide by a succession of numbers to get to a target of 3 say. The numbers used must be between 0 and 1.
Ordering activities can be helpful. Give pupils sets of cards with appropriate calculations on them. Ask pupils in pairs to order the calculations according to the size of the answer. See Teaching mental mathematics from level 5: number page 13.
Pupils may need to revisit step 6.