10 cm = 1dm ⇒ 150 cm = 150 ÷ 10 dm = 15 dm
1 dm = 1 cm so 150 dm = 10*150 cm = 1500 cm.
53.6 dm
20 dm
Hint: 1 dm = 10 cm...
370 cm = 37 dm
270 cm
2500 cm
900
3
1 dm= 10m 1m =100 cm 1dm = 1000 cm
Hint: 1 dm = 10 cm... 14 dm = 14 x 10 cm = 140 cm, so 14 dm is smaller than 150 cm