Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 km 25 m = _____ m
- 81 km 7 m = _____ m
- 7072 m = _____ km 72 m
- 43020 m = 43 km _____ m
(a)
1 km = 1000 m
7 km 25 m
= 7000 + 25
= 7025 m
(b)
1 km = 1000 m
81 km 7 m
= 81000 + 7
= 81007 m
(c)
1 km = 1000 m
7072 m
= 7000 + 72
= 7 km 72 m
(d)
1 km = 1000 m
43020 m
= 43000 + 20
= 43 km 20 m
Answer(s): 7025, 81007, 7, 20