Bellahouston Academy
National 4
Mathematics
Homework – Scale Factor
Homework due – Tuesday 8th of October 20123
1 Enlarge or reduce these shapes using the given scale factors.
a
b
c
d
2 In a photograph a DVD player is 5 cm long.
The reduction scale factor of the photo is
1
16
.
What is the length of the actual DVD player?
3 Rebecca is planning her patio on paper.
She has a rectangular area that measures 8 m by 3 m.
a Using a reduction scale factor of
1
50
, what will her scaled dimensions be?
b She measures out a square of side 3 cm for decking.
What are the actual dimensions of this area?
4 A model transporter is manufactured using a reduction scale factor of
The model measures 15 cm in length.
What is the actual length of the transporter?
1
100
.