Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 kg 4 g = _____ g
- 4 km 43 m = _____ m
- 18 ℓ 80 mℓ = _____ mℓ
- 3 m 7 cm = _____ cm
(a)
1 kg = 1000 g
3 kg 4 g
= 3 x 1000 + 4
= 3000 + 4
= 3004 g
(b)
1 km = 1000 m
4 km 43 m
= 4 x 1000 + 43
= 4000 + 43
= 4043 m
(c)
1 ℓ = 1000 mℓ
18 ℓ 80 mℓ
= 18 x 1000 + 80
= 18000 + 80
= 18080 mℓ
(d)
1 m = 100 cm
3 m 7 cm
= 3 x 100 + 7
= 300 + 7
= 307 cm
Answer(s): 3004, 4043, 18080, 307