Scale Drawing and Models Exploration

What is the main concept behind scale drawings and models?

• They are exact replicas of the original object.

• They are always smaller than the original object.

• They are always larger than the original object.

• They have lengths that are proportional to the object they represent.

In a scale drawing, if 1 centimeter represents 4 inches, what is the actual length of a painting that is 8 centimeters in the drawing?

• 32 inches

• 40 inches

• 16 inches

• 24 inches

If the actual painting is 40 inches, what is the height of the painting in the scale drawing where 1 centimeter represents 4 inches?

• 12 centimeters

• 10 centimeters

• 8 centimeters

• 5 centimeters

Which of the following is NOT a way to write the ratio 7 to 6?

• 7-6

• 7:6

• 7 divided by 6

• 7/6

How can you simplify the ratio 3.6 miles to 2.7 miles?

• 5 to 4

• 2 to 1

• 3 to 2

• 4 to 3

What is the simplified form of the ratio 320 to 120?

• 10 to 3

• 8 to 3

• 16 to 6

• 4 to 1

What is the first step in simplifying the ratio 3.6 miles to 2.7 miles?

• Divide both numbers by 2

• Multiply both numbers by 10

• Subtract 1 from both numbers

• Add 1 to both numbers

If the ratio of men to women in a company is 3 to 2 and there are 48 women, how many men are there?

• 54

• 36

• 72

• 64

In the same company, what is the total number of employees if there are 48 women and the ratio of men to women is 3 to 2?

• 100

• 120

• 140

• 160

If you have a ratio of 2 yellow marbles to 3 purple marbles and you have 10 yellow marbles, how many purple marbles do you have?

• 20

• 12

• 15

• 18