选择合适的测量单位
Choosing measurement units
能选择并使用合适的标准单位来测量长度(米/厘米)、质量(千克/克)、温度(摄氏度)和容量(升/毫升),并将结果精确到最合适的单位。
Choose and use appropriate standard units to measure length (m/cm), mass (kg/g), temperature (°C), and capacity (litres/ml) to the nearest appropriate unit
学习证据 / Evidence
- 用尺子以厘米为单位测量桌子的长度
- 用秤以克为单位称量一个物体的重量
- 用量杯以毫升为单位测量容器的容量
- Measure the length of a table in centimetres using a ruler
- Weigh an object in grams using a scale
- Measure the capacity of a container in millilitres using a measuring jug
评估问题 / Assessment
如果让{{name}}判断用厘米还是米来测量一个游泳池或一张纸,他们能为每种物品选出合适的单位并说明理由吗?
If you ask {{name}} whether to measure a swimming pool or a piece of paper in cm or m, can they pick the sensible unit for each — and explain why?