Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 kg 5 g = _____ g
- 9 km 72 m = _____ m
- 50 ℓ 28 mℓ = _____ mℓ
- 5 m 2 cm = _____ cm
(a)
1 kg = 1000 g
8 kg 5 g
= 8 x 1000 + 5
= 8000 + 5
= 8005 g
(b)
1 km = 1000 m
9 km 72 m
= 9 x 1000 + 72
= 9000 + 72
= 9072 m
(c)
1 ℓ = 1000 mℓ
50 ℓ 28 mℓ
= 50 x 1000 + 28
= 50000 + 28
= 50028 mℓ
(d)
1 m = 100 cm
5 m 2 cm
= 5 x 100 + 2
= 500 + 2
= 502 cm
Answer(s): 8005, 9072, 50028, 502