Mathematics
Fractions
Procedural
9–10 yrs
Converting tenths to hundredths
将十分位转换为百分位
Description
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)
Mastery Evidence
- Rewrite 7/10 as 70/100
- Calculate 3/10 + 4/100 = 34/100
- Explain why 5/10 = 50/100 using a hundredths grid
Assessment Prompt
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?
