Rate and Unit Rate

What are the correct ways to write a ratio?

• 1:2, 1 to 2

• 1:2, 2:1, 1 to 2

• 1:2, 1 to 2, 1/2

• 1:2

I have 1 dog to 5 cats (1:5). How many cats will I have if I have 6 dogs

• 10

• 30

• 15

• 20

What is the correct equivalent ratio for 2:5

• 10:4

• 10:2

• 2:6

• 4:10

Which of these are a rate?

• $1.50 per lb

• 10 lbs for $10.00

• 500 blinks per hour

• 40 meters per 5 seconds

• All of the Above- they are all rates

Which is a Unit Rate?

• 70 miles per 1.5 hours

• 60 feet in 2 seconds

• 70 miles per (1) hour

• 120 feet per 10 seconds

True/False: If I can run 3.2 miles in 1 hour, then I can run 9.6 miles in 3 hours.

• True

• False

An airplane can climb to 1,520 feet in 5 seconds. How many feet can it climb per second?

• 340

• 304

• 305

• 250

You are buying oranges for $1.69 per lb and want to buy 3.5 lbs. How much will it cost for 3.5 lbs. (remember: money rounds to 2 decimal places)

• $5.00

• $5.90

• $5.92

• $5.60

If you buy Jolly Ranchers buy the pound and you buy 4lbs and it costs you $15.24. How much did you pay per pound?

• $3.81

• $3.00

• $3.82

• $.38

Which is a better buy per pencil? 14 pencils for $1.68 or 10 pencils for $1.50?

• 14 pencils for $1.68

• 10 pencils for $1.50