Mathematics·Addition & Subtraction·conceptual
Subtraction as taking away or separating
Understand subtraction as taking away or separating from a group to find how many remain
Suggested ages 4–6
Evidence of understanding
- 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
Assessment prompt
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?
Standards alignment
K.OA.1US · ccss-math
Represent Addition and Subtraction
Common Core State Standards for Mathematics · K
Maths/Y1/AS/1GB · uk-nc-2013
Read and write addition and subtraction statements
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 1