Question

Naresh walked 2 km 35 m in the morning and 1 km 7 m in the evening. How much distance did he walk in all?
[5 marks]

Answer 1

We know that 1000 m = 1 km

$\therefore 1m=\frac{1}{1000}km$

$2km35m=2km+35m=2km+1m\times 35=2km+\frac{1}{1000}km\times 35=2.035km$
[1.5 marks]

$1km7m=1km+7m=1km+1m\times 7=1km+\frac{1}{1000}km\times 7=1.007km$
[1.5 marks]

Distance travelled in morning = 2 km 35 m = 2.035 km
Distance travelled in evening = 1 km 7 m = 1.007 km

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Therefore, total distance travelled by Naresh = 2.035 + 1.007 = 3.042 km. [2 marks]