Mathematics
Measurement
Procedural
7–8 yrs
Measuring length (age 7+)
测量长度（7岁以上）
Description
Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, metre sticks, and measuring tapes
Mastery Evidence
- Choose the most appropriate tool for measuring a given object
- Align the zero mark of a ruler with the end of the object and read the measurement
- Measure lengths in inches, feet, centimetres, and metres using the correct tool
Assessment Prompt
If your child needs to measure a piece of fabric about 80 cm long, can they pick the right tool — a short ruler or a tape measure — and use it accurately?
