MathematicsNumber Representation & Place ValueAges 7–8
A Hundred Is Ten Tens
Understand that 100 can be thought of as a bundle of ten tens — called a 'hundred'
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Check understanding
- Explain that 10 groups of 10 ones make 100
- Bundle ten tens sticks into one hundred and describe what happened
- Represent 100 using base-ten blocks showing 10 tens
“Can your child explain that ten full tens stacked together make one hundred — and that this is why 100 has a 1 in the hundreds place and zeros in the rest?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Number Representation & Place Value
- Age range
- Ages 7–8
Standards
ccss-math:2.NBT.1.a