Illustrative Math Grade 7 Unit 1 Lesson 1 & 2

Here is a figure that looks like the letter A, along with several other figures. Which figures are scaled copies of the original A? Explain how you know.

• Figure 1

• Figure 2

• Figure 3

• Figure 4

Tags

CCSS.8.G.A.3

Figure B is a scaled copy of Figure A. Select all of the statements that MUST be true:

• Figure B is larger than Figure A.

• Figure B has the same number of edges as Figure A.

• Figure B has the same perimeter as Figure A.

• Figure B has the same number of angles as Figure A.

• Figure B has angles with the same measures as Figure A.

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Here is an unlabeled rectangle, followed by other quadrilaterals that are labeled. Select all quadrilaterals that are scaled copies of the unlabeled rectangle.

• A

• C

• D

• E

• F

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

A (a)   copy is an enlarged or reduced copy of the original shape or object.

Tags

CCSS.7.G.A.1

Scaled copies are not distorted or slanted.

• True

• False

Tags

CCSS.8.G.A.3