Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 15 h = _____ min
- 2 14 m = _____ m (Give the answer in decimal.)
- 6 12 km = _____ m
- 7 34 kg = _____ g
(a)
1 h = 60 min
15 h =
15 x 60 = 12 min
1
15 h = 60 + 12 = 72 min
(b)
14 m =
25100 m = 0.25 m
2 m + 0.25 m = 2.25 m
(c)
1 km = 1000 m
6 km = 6000 m
12 km =
12 x 1000 = 500 m
6
12 km
= 6000 + 500
= 6500 m
(d)
1 kg = 1000 g
7 kg = 7000 g
34 kg =
34 x 1000 = 750 g
7
34 kg
= 7000 + 750
= 7750 g
Answer(s): 72, 2.25, 6500, 7750