Scale and Scale Factor

Use the scale drawing to create a proportion and find the height of the tree.

• 12.5 feet

• 8 feet

• 200 feet

Tags

CCSS.7.G.A.1

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Tags

CCSS.7.G.A.1

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot? 

• 63 m

• 235 m

• 315 m

• 630 m

Tags

CCSS.7.G.A.1

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

• 10 in²

• 25 in²

• 100 in²

• 484 in²

Tags

CCSS.7.G.A.1

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Quadrilateral NDMP was dilated to make N'D'M'P'. What was the scale factor?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

• (x,y) becomes (3x,3y)
• (x,y) becomes (1/3x, 1/3y)
• (x,y) becomes (3+x, 3+y)
• (x,y) becomes (x-1/3, y-1/3)

Tags

CCSS.HSG.CO.A.2

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x, -y)

• (x, y) → (4x, 4y)

Tags

CCSS.8.G.A.3

Match the following dilations by a scale factor of 1/2.

• (-3, -4)

• (0, -10)

• (0, -5)

• (0,0)

• (3,4)

• (10,2)

• (0,0)

• (6,8)

• (5,1)

• (-6,-8)

Answer explanation

Note that 0/2 is still 0

so (0,0) dilated by 1/2 is still at (0,0)

(0,-10) dilated by a 1/2 is at

(0, -5)

Tags

CCSS.8.G.A.3