Mathematics
Fractions
Conceptual
9–10 yrs
Tenths (age 9+)
十分位（9岁以上）
Description
Recognise and use thousandths; relate them to tenths, hundredths, and their decimal equivalents (e.g. 1/1000 = 0.001, 35/1000 = 0.035)
Mastery Evidence
- Write 0.025 as 25/1000
- Explain that 1 tenth = 100 thousandths
- Place 0.345 on a number line between 0.34 and 0.35
Assessment Prompt
If your child sees the decimal 0.003, can they write it as a fraction and tell you roughly where it sits on a number line between 0 and 0.01?
