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?
Examples of what pupils should know and be able to do
Pupils need to know how to use the sign change key on a calculator.
Calculate
- 62 + -51 =
- -87 + 90 =
- -3 + = 7
- 5 - -3 =
- -4 - -5 =
- 2 - = 7
For a fact such as -3 × 2 = -6, write three other facts, i.e. 2 × -3 = -6, -6 ÷ 2 = -3, -6 ÷ 3 = -2