Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 6 g = _____ g
- 5 km 66 m = _____ m
- 68 ℓ 20 mℓ = _____ mℓ
- 4 m 2 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 6 g
= 7 x 1000 + 6
= 7000 + 6
= 7006 g
(b)
1 km = 1000 m
5 km 66 m
= 5 x 1000 + 66
= 5000 + 66
= 5066 m
(c)
1 ℓ = 1000 mℓ
68 ℓ 20 mℓ
= 68 x 1000 + 20
= 68000 + 20
= 68020 mℓ
(d)
1 m = 100 cm
4 m 2 cm
= 4 x 100 + 2
= 400 + 2
= 402 cm
Answer(s): 7006, 5066, 68020, 402