Step 5 Objective
Consolidate and extend mental methods of calculation to include decimals, fractions and percentages, accompanied where appropriate by suitable jottings; solve simple word problems mentally.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Explain how you would do this multiplication by using factors. e.g. 5.8 × 40.
What clues do you look for when deciding whether you can do a multiplication mentally? e.g. 5.8 × 40.
Give an example of how you could use partitioning to multiply a decimal by a two-digit whole number. e.g. 5.3 × 23.