Decimal place value
Round decimals with one decimal place to the nearest whole number
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Teaching Table
Set out your lesson
“If your child measures something as 3.7 m, can they tell you whether that rounds to 3 m or 4 m — and explain why?”
Full guide and materials
- Activity. Round decimals with one decimal place to the nearest whole number
What to notice. Round 3.7 to 4 and 3.2 to 3 • Place 6.5 on a number line between 6 and 7 and decide it rounds to 7 • Round a set of one-decimal-place numbers and explain the rounding rule
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Teaching approaches
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1 approach
If your child measures something as 3.7 m, can they tell you whether that rounds to 3 m or 4 m — and explain why?
Round decimals with one decimal place to the nearest whole number
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Check understanding
- Round 3.7 to 4 and 3.2 to 3
- Place 6.5 on a number line between 6 and 7 and decide it rounds to 7
- Round a set of one-decimal-place numbers and explain the rounding rule
“If your child measures something as 3.7 m, can they tell you whether that rounds to 3 m or 4 m — and explain why?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 8–9