Mathematics
Addition & Subtraction
Conceptual
4–6 yrs
Addition as combining or putting together two
加法的合并与凑数概念
Description
Understand addition as combining or putting together two groups to find the total
Mastery Evidence
- Model 'putting together' with physical objects and say the total
- Act out an 'add to' situation (e.g. 3 children arrive, then 2 more join)
- Explain that addition means finding how many altogether
Assessment Prompt
If your child has 4 toy cars and a friend brings 3 more, do they understand that adding means combining both groups — and can they tell you there are now 7 cars altogether?