Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 kg 3 g = _____ g
- 4 km 51 m = _____ m
- 78 ℓ 38 mℓ = _____ mℓ
- 7 m 5 cm = _____ cm
(a)
1 kg = 1000 g
4 kg 3 g
= 4 x 1000 + 3
= 4000 + 3
= 4003 g
(b)
1 km = 1000 m
4 km 51 m
= 4 x 1000 + 51
= 4000 + 51
= 4051 m
(c)
1 ℓ = 1000 mℓ
78 ℓ 38 mℓ
= 78 x 1000 + 38
= 78000 + 38
= 78038 mℓ
(d)
1 m = 100 cm
7 m 5 cm
= 7 x 100 + 5
= 700 + 5
= 705 cm
Answer(s): 4003, 4051, 78038, 705