Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 1 g = _____ g
- 5 km 86 m = _____ m
- 27 ℓ 51 mℓ = _____ mℓ
- 7 m 5 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 1 g
= 2 x 1000 + 1
= 2000 + 1
= 2001 g
(b)
1 km = 1000 m
5 km 86 m
= 5 x 1000 + 86
= 5000 + 86
= 5086 m
(c)
1 ℓ = 1000 mℓ
27 ℓ 51 mℓ
= 27 x 1000 + 51
= 27000 + 51
= 27051 mℓ
(d)
1 m = 100 cm
7 m 5 cm
= 7 x 100 + 5
= 700 + 5
= 705 cm
Answer(s): 2001, 5086, 27051, 705