Step 7 Objective
Use index notation for integer powers and simple instances of the index laws.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Can you explain to someone why 2
does not give the same answer as 2 × 3 when 2
is the same as 2 × 2?
Why do we use index notation?
If 5 can be thought of as a square of side 5 what could 5 represent? Which is larger 2
or 5?