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WorksheetsRatios and Proportion: Maps and Scales (Basic)
Total questions: 10
Worksheet time: 22mins
Whenever we refer to a scale ratio (be it for length or for area), it is always arranged such that "actual : map". True or false?
T
F
The actual area of Sungei Buloh Wetland Reserve is 1.3 km2 . A scale of 1 cm represents 1.5 km on the map.
(a) Express the scale in the form 1 : n .
1 : 1.5
1 : 1 500 000
1 : 150 000
1 : 1500
The actual area of Sungei Buloh Wetland Reserve is 1.3 km2 . A scale of 1 cm represents 1.5 km on the map.
(b) Calculate the area of Sungei Buloh Wetland Reserve on the map in cm2 .
0.577 cm2
0.577... cm2
0.578 cm2
4526 cm2
On a map, the distance between two buildings is 20 cm. The actual distance between the two buildings is 5 km . If the map is drawn to a scale of 1 : n , find n .
0.25
4
25 000
250 000
A map is drawn to a scale of 1 : 5000. A rectangular car park has a length of 10.5 cm on the map. Find the actual length of the car park in metres.
0.525 m
5.25 m
525 m
52 500 m
On a map, 6 cm represents 7.5 km.
(a) Express the map scale in the form of 1 : r .
1 : 1.25
1 : 12 500
1 : 125 000
1 : 1 250 000
On a map, 6 cm represents 7.5 km.
(b) The actual length of a river is 12 km. Find the length of the river on the map, in cm.
1.6 cm
9.6 cm
15 cm
96 cm
A map is drawn to a scale of 1 : 25 000. A small geological feature has a length of 8 mm on the map. Calculate the actual length, in metres, of this feature.
0.2 m
2 m
200 m
200 000 m
An island of area 51.84 km2 is represented on a map by an area of 0.81 cm2.
(a) Express the scale of the map in the form of 1 : n.
1 : 8
1 : 8000
1 : 80 000
1 : 800 000
Explain briefly what the scale in the previous question means.
