Scaled Copies -- Lesson 1

Which of the following are scaled copies of the original portrait? Select ALL the apply.

• A

• B

• C

• D

• E

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Which of the following is a scaled copy of figure A?

• B

• C

• D

Tags

CCSS.8.G.A.3

Which of the figures B, C, or D are scaled copies of figure A?

• C

• B

• D

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.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?

• 2 and 3

• 2 and 4

• 1 and 4

• 1 and 3

Tyler says that Figure B is a scaled copy of Figure A because all of the peaks are half as tall.

Do you agree with Tyler?

• yes

• no

What is a scaled copy?

• A scaled copy is a copy of a figure where the new figure is ALWAYS larger than the original.

• A scaled copy is a copy of a figure where the new figure is ALWAYS smaller than the original.

• A scaled copy is a copy of a figure where every length in the original figure is multiplied by the same number.

Is Figure B a scaled copy of Figure A?

• Yes

• No

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

If the scale factor is 4, what is the measurement of slide length x?

• 21

• 1.25

• 20

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Is Figure B a scaled copy of Figure A?

• Yes

• No

Tags

CCSS.7.G.A.1

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2