Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 kg 2 g = _____ g
- 9 km 25 m = _____ m
- 57 ℓ 64 mℓ = _____ mℓ
- 7 m 5 cm = _____ cm
(a)
1 kg = 1000 g
9 kg 2 g
= 9 x 1000 + 2
= 9000 + 2
= 9002 g
(b)
1 km = 1000 m
9 km 25 m
= 9 x 1000 + 25
= 9000 + 25
= 9025 m
(c)
1 ℓ = 1000 mℓ
57 ℓ 64 mℓ
= 57 x 1000 + 64
= 57000 + 64
= 57064 mℓ
(d)
1 m = 100 cm
7 m 5 cm
= 7 x 100 + 5
= 700 + 5
= 705 cm
Answer(s): 9002, 9025, 57064, 705