Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 1 g = _____ g
- 4 km 74 m = _____ m
- 30 ℓ 56 mℓ = _____ mℓ
- 2 m 7 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 1 g
= 2 x 1000 + 1
= 2000 + 1
= 2001 g
(b)
1 km = 1000 m
4 km 74 m
= 4 x 1000 + 74
= 4000 + 74
= 4074 m
(c)
1 ℓ = 1000 mℓ
30 ℓ 56 mℓ
= 30 x 1000 + 56
= 30000 + 56
= 30056 mℓ
(d)
1 m = 100 cm
2 m 7 cm
= 2 x 100 + 7
= 200 + 7
= 207 cm
Answer(s): 2001, 4074, 30056, 207