MathematicsNumber Representation & Place ValueAges 6–7
The multiples of 10
Understand that the multiples of 10 (10, 20, 30 … 90) represent one to nine tens and 0 ones
Teaching approaches
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Can your child explain that 60 means 6 tens and no ones — and that this is why the ones column has a zero as a placeholder?
Understand that the multiples of 10 (10, 20, 30 … 90) represent one to nine tens and 0 ones
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This concept
The multiples of 10Conceptual concept
Check understanding
- Explain that 30 means 3 tens and 0 ones
- Represent 50 using 5 tens rods and no unit cubes
- Match decade numbers to their tens representation
“Can your child explain that 60 means 6 tens and no ones — and that this is why the ones column has a zero as a placeholder?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Number Representation & Place Value
- Age range
- Ages 6–7
Standards
ccss-math:1.NBT.2.c