What this lesson shows
Measure each side of a pentagon with a ruler: 4, 6, 5, 3, and 7 centimeters. Add all 5: 25 centimeters.
The worked example
The lesson works this one step by step: sides of 4, 6, 5, 3, 7 centimeters. Then your kid tries one like it on paper.
The steps
- Measure each side
- Go around so none is missed
- Add them all
- Write the unit
Helping at home
Measure each side with a ruler and write its length beside it. Add every side, going around so none is missed, and write the unit.
If your kid gets stuck
Measure every side.
Watch it with Lux
With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.