Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 5 g = _____ g
- 3 km 70 m = _____ m
- 27 ℓ 48 mℓ = _____ mℓ
- 8 m 2 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 5 g
= 2 x 1000 + 5
= 2000 + 5
= 2005 g
(b)
1 km = 1000 m
3 km 70 m
= 3 x 1000 + 70
= 3000 + 70
= 3070 m
(c)
1 ℓ = 1000 mℓ
27 ℓ 48 mℓ
= 27 x 1000 + 48
= 27000 + 48
= 27048 mℓ
(d)
1 m = 100 cm
8 m 2 cm
= 8 x 100 + 2
= 800 + 2
= 802 cm
Answer(s): 2005, 3070, 27048, 802