Math Quiz Review

What proportion results in the equation 9m=10n?

• 9/n=10/m

• 9/m=10/n

• 9/10=m/n

• 10/9=n/m

Which of the following statements are true for using proportions to solve for missing measures? Select three options.

• Corresponding dimensions must be in different positions in the ratios.

• Corresponding dimensions must be in the same position in the ratios.

• The two ratios in the proportion are equal.

• The enlargement or reduction is proportional to the original figure.

• The scale factor will be different for each ratio.

Tags

CCSS.7.G.A.1

Kiesha and her classmates wrote proportions for the reduction of a triangle.

Which proportions are set up correctly? Select three options.

• OG HT/ OG BS= RE HT / RE BS

• OG HT / RE HT= OG BS / RE BS

• OG HT / RE BS= RE HT / OG BS

• RE HT / RE BS=OG HT / OG BS

• OG HT / OG BS=RE BS / RE HT

Tags

CCSS.HSG.SRT.A.2

Theo used a map that had a ratio of 3 centimetres/50 miles to plan a road trip.

He found that the distance on the map from New York City, NY, to Washington, DC, was 14.4 centimetres. How many miles would he have to drive to make that trip?

• 10.4

• 43.2

• 240

• 720

Tags

CCSS.6.RP.A.3B

Mrs. Santos is buying binders for the students in her class. She determined that 15 binders would cost $22.50.

If all of the binders cost the same amount, which statement is true?

• It will cost $12 for 18 binders.

• It will cost $20 for 30 binders.

• It will cost $42 for 28 binders.

• It will cost $48 for 48 binders.

Tags

CCSS.6.RP.A.3B

Mike and Julie are making slime. The table shows the number of drops of blue food coloring and the number of drops of red food coloring they use in each batch

What is the constant of proportionality of the ratio of the number of blue drops used to the number of red drops used?

• 0.2

• 0.5

• 2

• 5

Tags

CCSS.7.RP.A.2B

Which is equivalent to “12 chairs for every 3 tables”?

• 12 chairs per 3 tables

• 3 chairs for every 12 tables

• 12 chairs for each table

• 3 tables per chair

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 20 Sunday newspapers weigh 18 pounds, how many pounds do 30 Sunday newspapers weigh?

• 27 pounds

• 28 pounds

• 33 pounds

• 38 pounds

Tags

CCSS.3.MD.A.2

This graph shows a proportional relationship between the number of tulips and the number of daffodils in gardens planned by the Lindy Landscaping Company.

What is the constant of proportionality?

• 0.2

• 0.5

• 2

• 5

Tags

CCSS.7.RP.A.2B

Alan solved the proportion X/200=8/25 as shown.

What is Alan’s error?

• He got the wrong product when he multiplied 25 by 200.

• He got the wrong quotient when he divided 5,000 by 8.

• He mixed up the positions of 8 and 25 in the equation(8)(X)=(25)(200).

• He mixed up the positions of 8 and 200 in the equation(8)(X)=(25)(200).

Tags

CCSS.7.RP.A.2C