Unpacked Content
Knowledge
Students know:
- personal benchmarks (e.g. fingernail for centimeter, door knob to floor for meter) for the length of standard units.
Skills
Students are able to:
- use strategies for using personal benchmarks for estimating lengths in standard units.
- explain and justify length estimates.
Understanding
Students understand that:
- estimating before measuring helps them develop a benchmark for the length of an object.
Vocabulary
- Estimate
- Standards units of measurement
