Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 kg 3 g = _____ g
- 2 km 78 m = _____ m
- 99 ℓ 81 mℓ = _____ mℓ
- 5 m 6 cm = _____ cm
(a)
1 kg = 1000 g
9 kg 3 g
= 9 x 1000 + 3
= 9000 + 3
= 9003 g
(b)
1 km = 1000 m
2 km 78 m
= 2 x 1000 + 78
= 2000 + 78
= 2078 m
(c)
1 ℓ = 1000 mℓ
99 ℓ 81 mℓ
= 99 x 1000 + 81
= 99000 + 81
= 99081 mℓ
(d)
1 m = 100 cm
5 m 6 cm
= 5 x 100 + 6
= 500 + 6
= 506 cm
Answer(s): 9003, 2078, 99081, 506