将十分之几化为百分之几
Converting tenths to hundredths
把分母是10的分数改写为分母是100的等值分数，并用这个方法计算分母是10和100的分数加法（例如 3/10 + 4/100 = 34/100）。
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)
学习证据 / Evidence
- 把 7/10 改写为 70/100
- 计算 3/10 + 4/100 = 34/100
- 用百格图解释为什么 5/10 = 50/100
- Rewrite 7/10 as 70/100
- Calculate 3/10 + 4/100 = 34/100
- Explain why 5/10 = 50/100 using a hundredths grid
评估问题 / Assessment
如果{{name}}需要计算 3/10 + 17/100，能否先把 3/10 改写为分母是100的分数，再把两个分数相加？
If {{name}} needs to add 3/10 and 17/100, can they rewrite 3/10 as hundredths first — and then add the two fractions together?