Scale factors and enlargement
7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.A.1 · England: KS3 Geometry, GCSE Foundation Geometry
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Date
Score/ 16
Question 1
A 10 cm by 12 cm rectangle is enlarged by scale factor 3. What is the new width in cm?
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Question 2
A side of 7 cm becomes 14 cm after an enlargement. What is the scale factor?
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Question 3
A 14 cm by 16 cm rectangle is enlarged by scale factor 3. What is the new length in cm?
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Question 4
A side of 7 cm becomes 21 cm after an enlargement. What is the scale factor?
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Question 5
A 12 cm by 16 cm rectangle is enlarged by scale factor 3. What is the new length in cm?
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Question 6
A side of 7 cm becomes 14 cm after an enlargement. What is the scale factor?
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Question 7
A 18 cm by 8 cm rectangle is enlarged by scale factor 0.5. What is the new length in cm?
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Question 8
A side of 7 cm becomes 21 cm after an enlargement. What is the scale factor?
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Question 9
A 20 cm by 18 cm rectangle is enlarged by scale factor 4. What is the new length in cm?
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Question 10
A side of 5 cm becomes 25 cm after an enlargement. What is the scale factor?
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Question 11
A 6 cm by 6 cm rectangle is enlarged by scale factor 3. What is the new length in cm?
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Question 12
A side of 4 cm becomes 20 cm after an enlargement. What is the scale factor?
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Question 13
A 6 cm by 12 cm rectangle is enlarged by scale factor 0.5. What is the new width in cm?
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Question 14
A side of 2 cm becomes 8 cm after an enlargement. What is the scale factor?
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Question 15
A 6 cm by 8 cm rectangle is enlarged by scale factor 4. What is the new length in cm?
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Question 16
A side of 3 cm becomes 6 cm after an enlargement. What is the scale factor?
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