Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 kg 5 g = _____ g
- 5 km 19 m = _____ m
- 86 ℓ 45 mℓ = _____ mℓ
- 7 m 4 cm = _____ cm
(a)
1 kg = 1000 g
9 kg 5 g
= 9 x 1000 + 5
= 9000 + 5
= 9005 g
(b)
1 km = 1000 m
5 km 19 m
= 5 x 1000 + 19
= 5000 + 19
= 5019 m
(c)
1 ℓ = 1000 mℓ
86 ℓ 45 mℓ
= 86 x 1000 + 45
= 86000 + 45
= 86045 mℓ
(d)
1 m = 100 cm
7 m 4 cm
= 7 x 100 + 4
= 700 + 4
= 704 cm
Answer(s): 9005, 5019, 86045, 704