Scale Factor & Proportions

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

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.6.RP.A.3B

Scale Factor of ½ is __________________ .

• Reduction
• Enlargement

Tags

CCSS.8.G.A.3

Scale Factor of 5 is _________________ .

• Reduction
• Enlargement

Tags

CCSS.8.G.A.3

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced
• A drawing of the weight of an object
• A life size drawing of an object
• A drawing that shows all the sides of a building

Tags

CCSS.7.G.A.1

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

Tags

CCSS.7.G.A.1

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.

What scale was used to create the map?

• 42 inches = 1 mile
• 1 inch = 42 miles
• 40 inches = 1 mile
• 
  1 inch = 40 miles

Tags

CCSS.7.G.A.1

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

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?

• 87 km
• 216 km 
• 33 km
• 192 km

Tags

CCSS.6.RP.A.3B