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Session 2: Units of measure

Completion requirements

The illustration shows a hand holding analogue scales weighing some luggage. There are seven numbered intervals every five on the scales going from 0–30 kg with small markers every 1 kg. A square zooms in on the scales where nine smaller markers are shown between each 1 kg marker. In the zoomed square is a needle that points two smaller markers prior to the numbered interval of 20 kg.