ratios, rates and conversions quiz

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet
• 5 feet
• 5 inches
• 72 feet

Tags

CCSS.6.RP.A.3D

If Justin can type 408 words in 4 minutes, how many words can he type per minute? (Find the unit rate!)

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Convert 17  inches to centimeters.  (1 in = 2.54 cm)

• 43.15 cm
• 204 cm
• 6.72 cm
• 1.42 cm

Tags

CCSS.6.RP.A.3D

7 students were on their chromebook. 4 were doing their work and 3 were playing games. What is the ratio of students doing their work to students playing games?

• 2:6

• 5:6

• 3:4

• 4:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A baseball team has played 14 games. They have only won 5 games. What is the ratio of games won to games lost?

• 9:5

• 5:9

• 5:3

• 3:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80? (Hint: find the unit rate of both)

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

Tags

CCSS.6.RP.A.3B

Which of the following is the correct set-up to convert 2 qt/min to gal/sec?

•  $\frac{2\ qt}{1\ \min}\ \times\frac{4\ qt}{1\ gal}\times\frac{60\ \sec}{1\ \min}$  

•  $\frac{2\ qt}{1\ \min}\ \times\frac{1\ gal}{4\ qt}\times\frac{1\ \min}{60\ \sec}$  

•  $\frac{2\ qt}{1\ \min}\ \times\frac{1\ gal}{4\ qt}$  

•  $\frac{2\ qt}{1\ \min}\ \times\frac{1\ gal}{4\ qt}\times\frac{60\ \sec}{1\ \min}$  

Tags

CCSS.6.RP.A.3D

Convert 60 ft/s to mi/h. (5280 ft = 1 mi and 3600 sec = 1hr)

• 60 mi/h

• 68 mi/h

• 9.7 mi/h

• 40.9 mi/h

Tags

CCSS.6.RP.A.3D

What is a Ratio?

• Is a comparison of two quantities

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which ratio is written incorrectly?

• X : Y
• X and Y
• X/Y
• X to Y

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2