Scaled Copies and Scale Factor
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Objective
I can create a scaled drawing of a figure and explain the relationship between corresponding side lengths.
Part 1 of 3
Warm-up video
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We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Explain how you can determine if two figures are scaled copies of each other. What specific measurements or comparisons do you need to make?
Figure A has a side length of 5 cm. Figure B, a scaled copy of Figure A, has a corresponding side length of 15 cm. What is the scale factor from Figure A to Figure B?
Part 3 of 3
Exit ticket
Quick comprehension check
“Figure A is a rectangle with a length of 8 cm and a width of 5 cm. Figure B is a scaled copy of Figure A with a length of 24 cm. What is the width of Figure B? Triangle ABC has sides of length 3 inches, 4 inches, and 5 inches. Triangle DEF is a scaled copy of triangle ABC with a scale factor of 2.5. What are the lengths of the sides of triangle DEF? ”
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