Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 kg 5 g = _____ g
- 2 km 72 m = _____ m
- 47 ℓ 59 mℓ = _____ mℓ
- 8 m 4 cm = _____ cm
(a)
1 kg = 1000 g
4 kg 5 g
= 4 x 1000 + 5
= 4000 + 5
= 4005 g
(b)
1 km = 1000 m
2 km 72 m
= 2 x 1000 + 72
= 2000 + 72
= 2072 m
(c)
1 ℓ = 1000 mℓ
47 ℓ 59 mℓ
= 47 x 1000 + 59
= 47000 + 59
= 47059 mℓ
(d)
1 m = 100 cm
8 m 4 cm
= 8 x 100 + 4
= 800 + 4
= 804 cm
Answer(s): 4005, 2072, 47059, 804