Relate a centimetre to a square centimetre.
Relate a metre to a square metre.
Relate a square centimetre to a square metre.
Express the relationship between square centimetres, square metres, and square kilometres.
An NBA basketball court is about 28m x 15m = 420 square meters
1 square kilometer
Justify the choice of square centimetres, square metres, or square kilometres as appropriate units to express various areas.