This document contains 3 questions about scale factors used on maps and floor plans. Question 1 asks to find the actual dimensions and area of an apartment and living room given a scale of 1:20 on a floor plan. Question 2 asks to calculate the area of a forest on a map with a different scale, given the area on a map with a scale of 1 cm to 4 km. Question 3 asks to find the actual length of a road on a map with a scale of 4 cm to 2 km, and then the length of the same road on a different scaled map.

1. QUIZ (SCALE FACTOR)
GRADE 8
1. The diagram shows a floor plan of an apartment. The Scale of the plan is 1 : 20
a) Find the actual dimensions of
b) Find the actual area of
i) The apartment [2] ii) the living room [2]

2. 2. Area of a forest that is drawn to a scale of 1 cm to 4 km is 4 cm2
. What will be the
area of the forest drawn on another map with a scale of 1 cm to 2 km ? [5]
3. A map is drawn to a scale of 4 cm to 2 km. A road on the map has length of 18 cm.
Find
a) The actual length of the road in km [2]
b) The length of the same road drawn on another map of scale 2 cm to 9 km. [2]