Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 kg 9 g = _____ g
- 2 km 19 m = _____ m
- 37 ℓ 50 mℓ = _____ mℓ
- 7 m 8 cm = _____ cm
(a)
1 kg = 1000 g
5 kg 9 g
= 5 x 1000 + 9
= 5000 + 9
= 5009 g
(b)
1 km = 1000 m
2 km 19 m
= 2 x 1000 + 19
= 2000 + 19
= 2019 m
(c)
1 ℓ = 1000 mℓ
37 ℓ 50 mℓ
= 37 x 1000 + 50
= 37000 + 50
= 37050 mℓ
(d)
1 m = 100 cm
7 m 8 cm
= 7 x 100 + 8
= 700 + 8
= 708 cm
Answer(s): 5009, 2019, 37050, 708