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*Rate*Unit Rate*Complex Fractions*
Created by Educational Technology Network
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Rates Unit Rates Complex Fractions Fractions 100 200 300 400 500
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Question 1 – 100 points A ratio that compares two quantities with different kinds of units is called a rate. TRUE or FALSE
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Answer 1 – 100 points TRUE
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Question 1 – 200 points
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Answer 1 – 200 points TRUE
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Question 1 – 300 points It took Rachel 22 minutes to type a 650 word essay. How many words was she typing per minute?
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Answer 1 – 300 About 29.5 words per minute
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Question 1 – 400 points Which of the following are unit rates?
(a) $35.25 for 3 movie tickets (b) 135 calories for one cup of cereal (c) 35 pages read in 45 minutes (d) $24.99 for one dozen roses (e) 7 new teachers hired a Portola MS in one year
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Answer 1 – 400 B, D and E
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Question Best Buy offers 4 CDs for $60. Target offers 6 CDs for $75. Which store offers the better buy?
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Answer 1 – 500 points Target $12.50 each
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Question What is the difference between a rate and an unit rate? Give an example to help explain.
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Answer 2 – 100 points
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Give one example of a unit rate and explain why.
Question 2 – 200 points Give one example of a unit rate and explain why.
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Answer 2 – 200 points Daily Double
Any rate that has a denominator of 1 unit. Many possibilities.
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Determine the unit price if 5 lbs. (pounds) of corn cost $7.25.
Question 2 – 300 points Determine the unit price if 5 lbs. (pounds) of corn cost $7.25.
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Answer 2 – 300 $1.45 per pound
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Question The prices of 3 different bags of dog food are given in the table. Which size bag has the lowest price per pound rounded to the nearest cent? Bag Size (lb) Price ($) 40 $49.00 20 $23.44 8 $9.88
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The 20-pound bag sells for the lowest price per pound.
Answer 2 – 400 points - 40 pound bag $49/40 ≈ $1.23 per pound - 20 pound bag $23.44/20 ≈ $1.17 per pound - 8 pound bag $9.88/8 ≈ $1.24 per pound The 20-pound bag sells for the lowest price per pound.
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Question 2 – 500 points At Tire Depot, a pair of new tires sells for $216. The manager’s special advertises the same tires selling at a rate of $380 for 4 tires. How much do you save per tire if you purchase the manager’s special?
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Answer 2 – 500 points $13 per tire
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Question
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Answer 3 – 100
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Question
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Answer 3 – 200 40 mph (miles per hour)
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Question 3 – 300 Daily Double
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Answer 3 – 300
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Question
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Answer 3 – 400 7.5 minutes
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Question
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Answer 3 – 500 25 miles per inch
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Question 4 – 100 points
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Answer 4 – 100 points
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Question 4 – 100 points
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Answer 4 – 100 points
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Question 4 – 100 points
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Answer 4 – 100 points
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Question 4 – 100 points Daily Double
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Answer 4 – 100 points undefined
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Question 4 – 300 points What is the quotient of 81 and 9? What is the quotient of 9 and 81? Does the order matter? Please explain.
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Answer 4 – 300 points
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