
Unit 2 - Lesson 1 - Grade 8: Illustrative Mathematics
Authored by Wayground Content
Algebra I, Algebra II, Geometry, Math

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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Look at the measurements for the rectangles that are scaled copies of the full sheet of paper. What do you notice about the measurements of these rectangles?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt

Stack the rectangles that are scaled copies of the full sheet so that they all line up at a corner, as shown in the diagram. Do the same with the other set of rectangles. On each stack, draw a line from the bottom left corner to the top right corner of the biggest rectangle. What do younotice?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt

Stack all of the rectangles from largest to smallest so that they all line up at a corner. Compare the lines that you drew. Can you tell, from the drawn lines, which set each rectangle camefrom?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Is B a scaled copy of R? If so, what is the scale factor?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Is C a scaled copy of B? If so, what is the scale factor?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Is C a scaled copy of R? If so, what is the scale factor?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
In your own words, explain what a dilation is.
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