Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 25 km = ______m
- 14 m = _____ cm
- 510 kg = _____ g
- 1120 ℓ = _____ mℓ
(a)
1 km = 1000 m
25 km
=
25 x 1000
= 400 m
(b)
1 = 100 cm
14 m
=
14 x 100
= 25 cm
(c)
1 kg = 1000 g
510 kg
=
510 x 1000
= 500 g
(d)
1 ℓ = 1000 mℓ
1120 ℓ
=
1120 x 1000
= 550 mℓ
Answer(s): 400, 25, 500, 550