Step 6 Objective
Add, subtract, multiply and divide integers.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
'Adding two numbers gives a bigger number.' When is this statement true and when is it false?
'Subtraction always gives a smaller number.' When is this statement true and when is it false?
3 × –4 = –12. Give me some related facts.
–10 + 2 = 8. Give me some related facts.
The answer is –7. Can you make up some addition/subtraction and multiplication/division calculations with the same answer?
The answer on your calculator is –144.
What question might you have keyed in to get this answer?