Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 kg 4 g = _____ g
- 2 km 44 m = _____ m
- 47 ℓ 22 mℓ = _____ mℓ
- 3 m 7 cm = _____ cm
(a)
1 kg = 1000 g
1 kg 4 g
= 1 x 1000 + 4
= 1000 + 4
= 1004 g
(b)
1 km = 1000 m
2 km 44 m
= 2 x 1000 + 44
= 2000 + 44
= 2044 m
(c)
1 ℓ = 1000 mℓ
47 ℓ 22 mℓ
= 47 x 1000 + 22
= 47000 + 22
= 47022 mℓ
(d)
1 m = 100 cm
3 m 7 cm
= 3 x 100 + 7
= 300 + 7
= 307 cm
Answer(s): 1004, 2044, 47022, 307