Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 5 g = _____ g
- 7 km 41 m = _____ m
- 50 ℓ 69 mℓ = _____ mℓ
- 4 m 4 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 5 g
= 2 x 1000 + 5
= 2000 + 5
= 2005 g
(b)
1 km = 1000 m
7 km 41 m
= 7 x 1000 + 41
= 7000 + 41
= 7041 m
(c)
1 ℓ = 1000 mℓ
50 ℓ 69 mℓ
= 50 x 1000 + 69
= 50000 + 69
= 50069 mℓ
(d)
1 m = 100 cm
4 m 4 cm
= 4 x 100 + 4
= 400 + 4
= 404 cm
Answer(s): 2005, 7041, 50069, 404