Proportions and Scale

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 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

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

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy

• the number you divide the original shape by in order to get the scale copy

• the number you add the original shape by in order to get the scale copy

• the number you subtract the original shape by in order to get the scale copy

If a scale factor is LESS THAN ONE, the new figure will be ___________________ .

• an enlargement

• a reduction

• none of these

• the same size

If a scale factor is GREATER THAN ONE, the new figure will be ___________________ .

• a reduction

• an enlargement

• scaled down

• the same size

Scale Factor of 5 is _________________ .

• Reduction

• Enlargement

Scale Factor of 0.80 is ________________ .

• Reduction

• Enlargement

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

• 6 cm

• 486 cm

• 9 cm

• 54 cm