MathematicsNumber Representation & Place ValueAges 5–7
The teen numbers
Understand that the teen numbers (11–19) are composed of ten ones and some further ones (early place value)
Teaching approaches
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If your child has 14 building blocks, can they see it as one full tower of 10 and 4 left over — understanding 'teen' numbers as ten-and-some-more?
Understand that the teen numbers (11–19) are composed of ten ones and some further ones (early place value)
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Check understanding
- Compose 14 as a group of ten and four ones using objects
- Decompose 17 into 10 + 7 and record as an equation
- Explain that 13 is 'one ten and three ones'
“If your child has 14 building blocks, can they see it as one full tower of 10 and 4 left over — understanding 'teen' numbers as ten-and-some-more?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Number Representation & Place Value
- Age range
- Ages 5–7
Standards
ccss-math:1.NBT.2.bccss-math:K.NBT.1