Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 1 g = _____ g
- 6 km 15 m = _____ m
- 74 ℓ 40 mℓ = _____ mℓ
- 7 m 7 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 1 g
= 2 x 1000 + 1
= 2000 + 1
= 2001 g
(b)
1 km = 1000 m
6 km 15 m
= 6 x 1000 + 15
= 6000 + 15
= 6015 m
(c)
1 ℓ = 1000 mℓ
74 ℓ 40 mℓ
= 74 x 1000 + 40
= 74000 + 40
= 74040 mℓ
(d)
1 m = 100 cm
7 m 7 cm
= 7 x 100 + 7
= 700 + 7
= 707 cm
Answer(s): 2001, 6015, 74040, 707