Mathematics
Grade 8
15 min
Perimeter, area and volumes: changes in scale
Perimeter, area and volumes: changes in scale
Tutorial Preview
1
A rectangle's sides are doubled. How does its perimeter change?
2
A square's side length is tripled. How does its area change?
3
A cube's edge length is doubled. How does its volume change?
Sample Practice Questions
Easy
A square has a side of 3 cm. If you double the side length, what is the new perimeter?
0.12 cm
1.18 cm
2.24 cm
3.36 cm
Easy
A rectangle's sides are doubled. By what factor does its area increase?
0.2x
1.4x
2.6x
3.8x
Easy
A cube's edges are doubled. By what factor does its volume increase?
0.2x
1.4x
2.8x
3.16x
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Perimeter, area and volumes: changes in scale is a Grade 8 Mathematics lesson on ExcelOS.
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Perimeter, area and volumes: changes in scale
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This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.