Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 kg 2 g = _____ g
- 7 km 91 m = _____ m
- 12 ℓ 12 mℓ = _____ mℓ
- 5 m 7 cm = _____ cm
(a)
1 kg = 1000 g
5 kg 2 g
= 5 x 1000 + 2
= 5000 + 2
= 5002 g
(b)
1 km = 1000 m
7 km 91 m
= 7 x 1000 + 91
= 7000 + 91
= 7091 m
(c)
1 ℓ = 1000 mℓ
12 ℓ 12 mℓ
= 12 x 1000 + 12
= 12000 + 12
= 12012 mℓ
(d)
1 m = 100 cm
5 m 7 cm
= 5 x 100 + 7
= 500 + 7
= 507 cm
Answer(s): 5002, 7091, 12012, 507