Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 1 g = _____ g
- 5 km 45 m = _____ m
- 74 ℓ 36 mℓ = _____ mℓ
- 4 m 7 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 1 g
= 7 x 1000 + 1
= 7000 + 1
= 7001 g
(b)
1 km = 1000 m
5 km 45 m
= 5 x 1000 + 45
= 5000 + 45
= 5045 m
(c)
1 ℓ = 1000 mℓ
74 ℓ 36 mℓ
= 74 x 1000 + 36
= 74000 + 36
= 74036 mℓ
(d)
1 m = 100 cm
4 m 7 cm
= 4 x 100 + 7
= 400 + 7
= 407 cm
Answer(s): 7001, 5045, 74036, 407