MathematicsCounting & CardinalityAges 4–6
One-to-one counting
One-to-one correspondence when counting objects: each object is paired with exactly one number name
Teaching approaches
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Let’s count slowly. Touch each object once and say one number for each touch.
Get 5 small objects. Line them up, have your child touch and count each one, then mix them up and count again. Start with 3 objects if needed.
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Entire curriculum
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Check understanding
- Point to or touch each object exactly once while saying number names
- Do not skip objects or double-count when counting a set
- Recognise an error when someone counts an object twice
“If your child is counting a pile of grapes, do they touch or point to each one exactly once as they say each number — without skipping any or counting the same one twice?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Counting & Cardinality
- Age range
- Ages 4–6
Standards
ccss-math:K.CC.4ccss-math:K.CC.4.a