Mathematics
Fractions
Conceptual
10–11 yrs
Decimals and fractions (age 10+)
小数与分数（10岁以上）
Description
Associate a fraction with division and calculate decimal fraction equivalents for simple fractions (e.g. 3/8 = 0.375); recall and use equivalences between simple fractions, decimals, and percentages in different contexts
Mastery Evidence
- Convert 3/8 to 0.375 by dividing 3 ÷ 8
- State that 1/5 = 0.2 = 20% from memory
- Use fraction–decimal–percentage equivalences to compare 30%, 1/3, and 0.35 and put them in order
Assessment Prompt
If your child sees 3/8 written on a worksheet, can they convert it to a decimal — and also say roughly what percentage that is?
