Scale Factor

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

If you want to find the scale factor from one figure to another, which formula should you use?

• New/Original

• Original/New

• Part/Whole

Tags

CCSS.7.G.A.1

A scale drawing that measures 8 units wide and an original that measures 4 units wide has a scale factor of...

• 2:1
• 8:1
• bigger
• 1:2

Tags

CCSS.7.G.A.1

What is the scale factor from the small shape to the big shape?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

What does similar mean?

• When two figures have the same Rate of change
• Same size
• Same shape
• When two shapes have the same Scale FactorΔ

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• 20 m
• 24 m
• 16 m
• 4 m

Tags

CCSS.7.G.A.1

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet
• 16 feet 
• 10 feet
• 4 feet

Tags

CCSS.7.G.A.1