Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 15 h = _____ min
- 8 325 m = _____ m (Give the answer in decimal.)
- 3 14 km = _____ m
- 8 12 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
2
15 h = 120 + 12 = 132 min
(b)
325 m =
12100 m = 0.12 m
8 m + 0.12 m = 8.12 m
(c)
1 km = 1000 m
3 km = 3000 m
14 km =
14 x 1000 = 250 m
3
14 km
= 3000 + 250
= 3250 m
(d)
1 kg = 1000 g
8 kg = 8000 g
12 kg =
12 x 1000 = 500 g
8
12 kg
= 8000 + 500
= 8500 g
Answer(s): 132, 8.12, 3250, 8500