Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 8 g = _____ g
- 2 km 67 m = _____ m
- 87 ℓ 37 mℓ = _____ mℓ
- 4 m 5 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 8 g
= 7 x 1000 + 8
= 7000 + 8
= 7008 g
(b)
1 km = 1000 m
2 km 67 m
= 2 x 1000 + 67
= 2000 + 67
= 2067 m
(c)
1 ℓ = 1000 mℓ
87 ℓ 37 mℓ
= 87 x 1000 + 37
= 87000 + 37
= 87037 mℓ
(d)
1 m = 100 cm
4 m 5 cm
= 4 x 100 + 5
= 400 + 5
= 405 cm
Answer(s): 7008, 2067, 87037, 405