Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 2 g = _____ g
- 1 km 54 m = _____ m
- 54 ℓ 17 mℓ = _____ mℓ
- 7 m 8 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 2 g
= 2 x 1000 + 2
= 2000 + 2
= 2002 g
(b)
1 km = 1000 m
1 km 54 m
= 1 x 1000 + 54
= 1000 + 54
= 1054 m
(c)
1 ℓ = 1000 mℓ
54 ℓ 17 mℓ
= 54 x 1000 + 17
= 54000 + 17
= 54017 mℓ
(d)
1 m = 100 cm
7 m 8 cm
= 7 x 100 + 8
= 700 + 8
= 708 cm
Answer(s): 2002, 1054, 54017, 708