Subtraction as taking away or separating
Mathematics · Addition & Subtraction · conceptual
Understand subtraction as taking away or separating from a group to find how many remain
What mastery looks like
- Model 'taking away' with physical objects and say how many remain
- Act out a 'take from' situation (e.g. 5 biscuits, eat 2, how many left?)
- Explain that subtraction means finding how many are left
Check your understanding
If Subtraction as taking away or separating has 9 biscuits and eats 3, do they understand that subtracting means taking some away — and can they tell you 6 biscuits are left?
Prerequisites
Required first