Step 2 Objective
Develop and refine written methods for column addition and subtraction for two whole numbers less then 1000, and addition of more than two such numbers.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Which of these calculations are correct/incorrect? What has this person done wrong? How could you help them correct it?
What tips would you give to someone to help with column addition/subtraction?