MathematicsAddition & SubtractionAges 4–6
Numbers up to 10 into pairs
Decompose numbers up to 10 into pairs in more than one way (part-part-whole)
Teaching approaches
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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?
Decompose numbers up to 10 into pairs in more than one way (part-part-whole)
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Entire curriculum
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Check understanding
- 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
“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?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Addition & Subtraction
- Age range
- Ages 4–6
Standards
ccss-math:K.OA.3uk-nc-2013:Maths/Y1/AS/2