Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 8 550 m = _____ m (Give the answer in decimal.)
- 9 12 km = _____ m
- 3 38 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
550 m =
10100 m = 0.1 m
8 m + 0.1 m = 8.1 m
(c)
1 km = 1000 m
9 km = 9000 m
12 km =
12 x 1000 = 500 m
9
12 km
= 9000 + 500
= 9500 m
(d)
1 kg = 1000 g
3 kg = 3000 g
38 kg =
38 x 1000 = 375 g
3
38 kg
= 3000 + 375
= 3375 g
Answer(s): 132, 8.1, 9500, 3375