Find the most reasonable metric unit for measuring the items below: ( km m cm mm )
Hold the mouse over the sun icon to see the answer to each problem.
1. The woman's height is 168 _____ 
2. Sally ran the 100 _____ dash in the track meet. 
3. A postage stamp is 22 _____ wide. 
4. Steve paddled his canoe 2 _____ across the lake. 
5. A stick of gum is 7 _____ long. 