Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 kg 7 g = _____ g
- 4 km 79 m = _____ m
- 23 ℓ 20 mℓ = _____ mℓ
- 7 m 8 cm = _____ cm
(a)
1 kg = 1000 g
1 kg 7 g
= 1 x 1000 + 7
= 1000 + 7
= 1007 g
(b)
1 km = 1000 m
4 km 79 m
= 4 x 1000 + 79
= 4000 + 79
= 4079 m
(c)
1 ℓ = 1000 mℓ
23 ℓ 20 mℓ
= 23 x 1000 + 20
= 23000 + 20
= 23020 mℓ
(d)
1 m = 100 cm
7 m 8 cm
= 7 x 100 + 8
= 700 + 8
= 708 cm
Answer(s): 1007, 4079, 23020, 708