1. Length Lab Using a Metric Ruler

2. 1. (a) millimeter (b) meter (c) centimeter (d) kilometer

3. 2. (a) 100 cm (b) 10 mm (c) 1,000 m

4. 3. (a) 14 mm (b) 1 km (c) 990 cm (d) 145 km (e) 3.4 cm (f) 10 km

5. 4. (a) 14.2 cm (b) 14 cm (c) 1 cm = 10 mm (d) 10 cm = 100 mm (e) 1.6 cm = 16 mm (f) 3.3 cm = 33 mm (g) 3 cm (h) 8.6 cm x 3.7 cm x 1.7 cm 9 cm x 4 cm x 2 cm = 72 cm 3

6. 5. pencil + eraser 18.9 cm = 189 mm

7. 6. height (74 in)(2.54 cm/in) = 187.96 cm 1.88 m

8. 7. index cards 30.5 cm x 20 = 610 cm

9. 8. shoe (a) 32 cm (b) 100 cm/32 cm = 3.125 shoes (c) 3.125 x 1,000 = 3,125 shoes

10. 9. pennies (a) 1.4 cm (b) 1.4 cm x 10 = 14 cm (c) 1.4 cm x 100140 cm

11. 10. (a) mm (b) m (c) cm (d) km