Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 kg 1 g = _____ g
- 6 km 85 m = _____ m
- 20 ℓ 49 mℓ = _____ mℓ
- 5 m 9 cm = _____ cm
(a)
1 kg = 1000 g
3 kg 1 g
= 3 x 1000 + 1
= 3000 + 1
= 3001 g
(b)
1 km = 1000 m
6 km 85 m
= 6 x 1000 + 85
= 6000 + 85
= 6085 m
(c)
1 ℓ = 1000 mℓ
20 ℓ 49 mℓ
= 20 x 1000 + 49
= 20000 + 49
= 20049 mℓ
(d)
1 m = 100 cm
5 m 9 cm
= 5 x 100 + 9
= 500 + 9
= 509 cm
Answer(s): 3001, 6085, 20049, 509