Mathematics
Addition & Subtraction
Conceptual
4–6 yrs
Numbers up to 10 into pairs
10以内的数对
Description
Decompose numbers up to 10 into pairs in more than one way (part-part-whole)
Mastery Evidence
- Show that 5 = 1 + 4, 5 = 2 + 3, 5 = 0 + 5 etc.
- Use objects or drawings to find all pairs that make a given number
- Record decompositions as equations
Assessment Prompt
If your child has 8 grapes, can they split them into two groups in different ways — like 3 and 5, or 4 and 4 — and explain that both groups together still make 8?
