Converting tenths to hundredths
Express a fraction with denominator 10 as an equivalent fraction with denominator 100 and use this to add fractions with denominators 10 and 100 (e.g. 3/10 + 4/100 = 34/100)
Teaching approaches
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1 approach
If your child needs to add 3/10 and 17/100, can they rewrite 3/10 as hundredths first — and then add the two fractions together?
Express a fraction with denominator 10 as an equivalent fraction with denominator 100 and use this to add fractions with denominators 10 and 100 (e.g. 3/10 + 4/100 = 34/100)
Learning resources
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This concept
Check understanding
- Rewrite 7/10 as 70/100
- Calculate 3/10 + 4/100 = 34/100
- Explain why 5/10 = 50/100 using a hundredths grid
“If your child needs to add 3/10 and 17/100, can they rewrite 3/10 as hundredths first — and then add the two fractions together?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 9–10