MathematicsCounting & CardinalityAges 4–6
How Many in Total?
Cardinality principle: the last number said when counting a set tells how many objects are in the set, regardless of arrangement or order counted
Teaching approaches
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Count the objects, then tell me how many there are without starting over.
Place 3–8 objects in a row. Count together once, ask “How many in total?”, then rearrange the same objects and ask again.
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Entire curriculum
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Check understanding
- After counting a set, answer 'how many?' with the last number stated
- Understand that rearranging objects does not change the count
- Understand that counting in a different order gives the same total
“If your child counts out 7 toy cars and you ask "so how many cars are there?", do they say "7" straight away — or do they count them all again from the start?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Counting & Cardinality
- Age range
- Ages 4–6
Standards
ccss-math:K.CC.4ccss-math:K.CC.4.b