Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 kg 5 g = _____ g
- 1 km 27 m = _____ m
- 43 ℓ 20 mℓ = _____ mℓ
- 1 m 5 cm = _____ cm
(a)
1 kg = 1000 g
4 kg 5 g
= 4 x 1000 + 5
= 4000 + 5
= 4005 g
(b)
1 km = 1000 m
1 km 27 m
= 1 x 1000 + 27
= 1000 + 27
= 1027 m
(c)
1 ℓ = 1000 mℓ
43 ℓ 20 mℓ
= 43 x 1000 + 20
= 43000 + 20
= 43020 mℓ
(d)
1 m = 100 cm
1 m 5 cm
= 1 x 100 + 5
= 100 + 5
= 105 cm
Answer(s): 4005, 1027, 43020, 105