Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 15 h = _____ min
- 6 425 m = _____ m (Give the answer in decimal.)
- 2 14 km = _____ m
- 5 38 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
1
15 h = 60 + 12 = 72 min
(b)
425 m =
16100 m = 0.16 m
6 m + 0.16 m = 6.16 m
(c)
1 km = 1000 m
2 km = 2000 m
14 km =
14 x 1000 = 250 m
2
14 km
= 2000 + 250
= 2250 m
(d)
1 kg = 1000 g
5 kg = 5000 g
38 kg =
38 x 1000 = 375 g
5
38 kg
= 5000 + 375
= 5375 g
Answer(s): 72, 6.16, 2250, 5375