Quiz 6A. A comparison of two numbers by division ◦ Ratio A comparison of two quantities that...
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Ratios, Rates, Unit Rates, and Conversion Factors Quiz 6A
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Transcript of Quiz 6A. A comparison of two numbers by division ◦ Ratio A comparison of two quantities that...
Ratios, Rates, Unit Rates, and
Conversion Factors Quiz 6A
A comparison of two numbers by division◦Ratio
A comparison of two quantities that have
different kinds of units◦Rate
A rate in which the second quantity is 1.◦Unit Rate
Ratios, Rates, Unit Rates, & Conversion Factors
Express the ratios as fractions in simplest form. 18 oatmeal out of 36 cookies.
◦ ½
35 German Sheppard's out of 50 dogs. ◦ 7/10
56 women out of 168 people. ◦ 1/3
Ratios, Rates, Unit Rates, & Conversion Factors
Find each unit rate.
An 12 lb container of ice cream contains 2400 calories. How many calories per pound are there?◦ 200 calories per pound.
360 students for 15 teachers.
◦ 24 students per teacher.
Ratios, Rates, Unit Rates, & Conversion Factors
Use Unit Price to identify the better buy.
A. 16 oz of cheese for $2.40◦ $.15 per ounce.
B. 24 oz of cheese for $4.56◦ $.19 per ounce.
◦ The 16 ounce block of cheese is the better buy.
Ratios, Rates, Unit Rates, & Conversion Factors
Use Unit Price to identify the better buy.
A. 24 cookies for $13.44◦ $.56 per cookie.
B. 36 cookies for $15.84◦ $.44 per cookie.
◦ The 36 cookies are the better buy.
Ratios, Rates, Unit Rates, & Conversion Factors
Aubrey purchased 86 oz of chocolate. How many pounds is this?◦ 5.375 pounds; about 5.4 pounds
Convert 14 yards to feet.
◦ 42 feet
Jackson drove 3,400 yards. How many miles is this?◦ 1.9318 miles; about 1.9 miles
Ratios, Rates, Unit Rates, & Conversion Factors
Erin’s pizza shop sells about 64 cups of soda per hour. How many gallons per day should they expect to sell? (Yes, they are open 24 hours a
day)
◦ 1,536 ounces per hour.◦ 96 gallons per day.◦
Ratios, Rates, Unit Rates, & Conversion Factors
Who is moving faster, Scott or Ronda? Determine how much quicker the faster person is moving. Justify your work mathematically.
Running Ronda Scootering Scott 8 miles per hour 100 yd/10 seconds◦ 8 miles per hour 20.45 miles per hour◦ Scott is moving 12.24 miles per hour faster than
Ronda.
Ratios, Rates, Unit Rates, & Conversion Factors
