Rates, Unit Rates, Comparing Rates

True or False, and why?

 $\frac{2}{5}=\frac{10}{25}$  

• True, both sides of the ratio were multiplied by 2

• False, they are not equivalent 

• True both sides were multiplied by 5

Tags

CCSS.6.RP.A.3A

Select ALL that apply.

Which ratios are equivalent to:

"There were 6 boys to every 10 girls"

• 3 boys to every 5 girls

• 12 boys to every 20 girls

• 1 boy to every 4 girls

• 10 boys for every 14 girls

Tags

CCSS.6.RP.A.3A

 $\frac{2}{5}=\ \frac{?}{55}$  

• 11

• 22

• 15

• 20

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is a UNIT rate?

• A comparison between two quantities

• A rate with 1 as the denominator

• A rate that has a lot of parts

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How do we find Unit Rate?

• We Add

• We Multiply

• We Divide

• We sing

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following are examples of a unit rate?

• 65 mph (miles per hour)

• 6 laps in 8 minutes

• 3 beats per second

• 3 pages in 12 minutes

• $20 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Johnny can type 40 words in 5 minutes.

How many words can Johnny type per minute

• 20 words per minute

• 4 words per minute

• 8 words per minute

• 45 words per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Ninaud can read 30 pages in 10 minutes.

Anthony can read 20 pages in 5 minutes.

Who reads at faster rate and why?

• Ninaud reads faster because he reads 3 pages more per minute than Anthony

• Ninaud reads faster because he read 30 pages

• Anthony reads faster because he reads 1 more page per minute

• Anthony reads faster because he reads comic books and they don't have a lot of words

Tags

CCSS.6.RP.A.3B

If you made $186 last week and worked 12 hours, then how much money did you make PER hour?

• $15

• $15.05

• $15.50

• $2232

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If a 16oz container of raisins cost $3.84, then find the unit cost

(a)  

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2