Scale Factor

The scale ______ is a number that represents how much a shape has been enlarged (scaled up) or shrunk (scaled down) compared to its original size.

Tags

CCSS.7.G.A.1

If a scale factor is greater than ___, the scaled copy will be larger.

If the scale factor is less than ___, the scaled copy will be smaller.

Tags

CCSS.7.G.A.1

If the scale factor is exactly one, the scaled copy will be _____ to the original shape.

Tags

CCSS.8.G.A.3

If both figures are similar, what is the base of the smaller parallelogram?

• 8 cm

• 0.5 cm

• 2 cm

• 4 cm

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

If both figures are similar, what is the length of the missing base for the smaller trapezoid?

• 1/2 yard

• 2 yards

• 4 yards

• 6 yards

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If both figures are similar, what is the missing length of the larger rectangle?

• 6 feet

• 13.5 feet

• 9 feet

• 3 feet

Tags

CCSS.HSG.SRT.A.2

A model of a flagpole has a scale of 1 in.= 4 ft. If the model pole measures 12 inches, how tall is the actual pole?

• 16 feet
• 3 feet
• 48 feet
• 9 feet

Tags

CCSS.7.RP.A.2C

A scale factor of ½ will result in a __________________ .

• Reduction
• Enlargement

Tags

CCSS.8.G.A.3

Which figure is the scaled copy of figure G?

• 
• 
• 

Tags

CCSS.8.G.A.3

These two rectangles are similar.

What scale factor was used to decrease the size of the original rectangle to the scaled copy of the smaller rectangle?

• 2.5

• 2/5

• 2

• 1/4

Tags

CCSS.7.G.A.1