Lesson on Scale Factor

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

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

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

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

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards

• 1372
• 5
• 14
• 7

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

If the original is 12 units and the scale factor is 1/4 what is the size of the scale drawing?

• 300
• 4.8
• 3
• 4

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

If a Scale Factor is between 0 and 1, then your figure gets...

• Smaller
•  Bigger
• Does not change

If a Scale Factor if greater than 1, then your figure gets...

• Smaller
• Bigger
• Does not change

sf = 1/2

• Reduction
• Enlargement

sf = 5

• Reduction
• Enlargement