Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 3 g = _____ g
- 1 km 10 m = _____ m
- 14 ℓ 15 mℓ = _____ mℓ
- 3 m 1 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 3 g
= 2 x 1000 + 3
= 2000 + 3
= 2003 g
(b)
1 km = 1000 m
1 km 10 m
= 1 x 1000 + 10
= 1000 + 10
= 1010 m
(c)
1 ℓ = 1000 mℓ
14 ℓ 15 mℓ
= 14 x 1000 + 15
= 14000 + 15
= 14015 mℓ
(d)
1 m = 100 cm
3 m 1 cm
= 3 x 100 + 1
= 300 + 1
= 301 cm
Answer(s): 2003, 1010, 14015, 301