Step 5 Objective
Recognise the first few triangular numbers, squares of numbers to at least 12 × 12 and the corresponding roots.
- 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?
Represent the numbers by dot diagrams or by using interlocking cubes.
Investigate the relationship between square numbers and triangular numbers, using interlocking cubes.
Practise using square and square root keys on a calculator.