Effects of Scale Factor on Perimeter and Area

The perimeter of the square increased by a scale of 5.

• True

• False

If the scale factor is 5, how times larger will the area of the big square be compared to the smaller square?

• 5

• 20

• 25

The perimeter of the larger square is 2 times larger than the smaller square.

• True

• False

What is one way to determine how much the area would increase using a scale factor of 3?

• take the scale factor and square it to get 3x3=9

• add all of the sides together then multiply by 3

• multiply the area of the smaller rectangle by 3

Which of the statements correctly compares the perimeter of the 2 triangles?

• 12x2=24

• 5x2=10

• 12x3=36

The area of the larger square is __________ times larger than the area of the smaller square.

• 1/2

• 1

• 2

• 4

Both the side lengths and perimeter are 3 times larger in the bigger rectangle.

• True

• False

• 0.25
• 0.5
• 2
• 1/2

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

• 21

• 1.25

• 20

What is the scale factor?

• 4

• 6

• 2.5

• 1.5