1. 10 mm is the same as... 1 cm

2. 20 mm is the same as... 2 cm

3. 3 cm is the same as... 30 mm

4. 5 cm is the same as... 50 mm

5. 15 mm is the same as... 1½ cm

6. 25 mm is the same as... 2½ cm

7. 3.5 cm is the same as... 35 mm ½ = 0.5 = ½ = 0.5 = ½ = 0.5 = ½

8. 5.5 cm is the same as... 55 mm

9. 100 mm is the same as... 10 cm

10. 15 cm is the same as... 150 mm

11. 250 mm is the same as... 25 cm

12. 600 mm is the same as... 60 cm

13. 66 cm is the same as... 660 mm

14. 790 mm is the same as... 79 cm

15. 950 mm is the same as... 95 cm

16. 99 cm is the same as... 990 mm

17. 100 cm is the same as... 1000 mm is the same as... 1 m

18. 101 cm is the same as... 1010 mm is the same as... 1 m and 1 cm

19. 300 cm and 3000 mm is the same as... 3 m 1 m

20. 250 cm and 2500mm is the same as... 2½ m 1 m ½ m = 50 cm = 500 mm

21. 150 cm is the same as... 1.5 m or 1½ m 1 m ½ m = 50 cm

22. 125 cm and 1250 mm is the same as... 1¼ m 1 m ¼ m = 25 cm = 250 mm

23. 1¾ m is the same as... 175 cm 1 m ¼ m = 25 cm

24. is the same as... 1000 m 1 m x 1000

25. 5 km = 5000 m 7000 m = 7 km 4½ km = 4500 m 2.5 km = 2500 m