Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 kg 5 g = _____ g
- 3 km 83 m = _____ m
- 21 ℓ 82 mℓ = _____ mℓ
- 4 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
3 km 83 m
= 3 x 1000 + 83
= 3000 + 83
= 3083 m
(c)
1 ℓ = 1000 mℓ
21 ℓ 82 mℓ
= 21 x 1000 + 82
= 21000 + 82
= 21082 mℓ
(d)
1 m = 100 cm
4 m 4 cm
= 4 x 100 + 4
= 400 + 4
= 404 cm
Answer(s): 4005, 3083, 21082, 404