Rates, Unit Rates, and Percent Problems

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Presentation transcript:

Rates, Unit Rates, and Percent Problems Jeopardy Rates, Unit Rates, and Percent Problems

Jeopardy $100 $200 $300 $400 $500 Unit Rate Percent Problems Single Discount Multiple Discount Random Questions $100 $200 $300 $400 $500

Answer: 8 points in 1 game ( 8 points/1 game) Unit Rates $100 Write a unit rate from this situation: John scored 24 points in 3 games Answer: 8 points in 1 game ( 8 points/1 game) Notes

Answer: 60 pages per hour OR 1 page per minute Unit Rates $200 Write a unit rate from this situation: Amy can read 75 pages in 1 h 15 min Answer: 60 pages per hour OR 1 page per minute Notes

Unit Rates $300 Find the unit rate for each one, then tell which one is the better buy? $3.00 for 20 cookies OR $5.00 for 30 cookies Answer: $3.00 for 20 cookies Notes

Unit Rates $400 Find the unit rate for each one, then tell which one is the better buy? 15 oz for $1.79 OR $1.29 for 12 oz Answer: 12 oz for $1.29 Notes

Unit Rates $500 Find out how much per ounce each of these sells for. Then arrange them from the most expensive to the least expensive. Snapple $1.29 for 16 oz. Lemonade $2.85 per quart * Extra $100 if you convert this to ounces Gatorade $1.59 for 20 oz. Ocean Spray $2.54 for 34 oz. Lemonade ($0.09/oz), Gatorade ($0.08/oz), Snapple ($0.08/oz) , Ocean Spray ($0.07/oz), Notes

Percent Problems $100 What is 10% of 250? Answer: 25 Notes

Percent Problems $200 33 is 15% of what number? Answer: 220 Notes

Percent Problems $300 Charlie puts 65% of his earnings into savings each month. Last month, he deposited $2,200 into savings. What were his total earnings last month? Answer: $3384.62 Notes

Percent Problems $400 A factory produces 3,250 soft drinks a day. They quality check 5% of those drinks every day. How many drinks do they check a day? Answer: They check 195 drinks a day. Notes

Percent Problems $500 Who got the best grade? Roger got 18 out of 22 questions correct. Vicky got 25% of the 22 questions wrong. Brent missed 3.5 out of 22 questions. Answer: Brent got the best grade, 84% . Roger got about an 83% and Vicky got a 75% Notes

Single Discounts $100 A shirt is originally $20, it is on sale for 20% off. What is the final cost of the shirt? Answer: $16 Notes

Single Discounts $200 A t-shirt cost $12, it is on sale for 33% off. How much are you saving? Answer: $4 Notes

Single Discounts $300 A restaurant has a 10% off senior citizen special every Wednesday evening. If the bill was initially $40, how much will the final bill be after the discount. Answer: $36 Notes

Single Discounts $400 A jacket originally cost $88, it is currently on sale for 35% off. What is the discount and the final cost of the jacket. Answer: $30.80 and $57.20 Notes

Single Discounts $500 The usual price for an adult movie ticket at Big Screen Cinemas is $18. On Tuesdays they offer a 15% discount. Calculate the cash value of the discount and the cost of the tickets on Tuesdays. Answer: $2.70 and $15.30 Notes

Multiple Discounts $100 A discount store takes 50% off of the retail price of a desk. For the store's holiday sale, it takes an additional 20% off of all furniture. The desk's retail price was $320. How much is the desk on sale for during the holiday sale? Answer: $128.00 Notes

Multiple Discounts $200 A family had dinner in a restaurant and paid $30 for food. They also had to pay 6% sale tax and 10% for the tip. How much did they pay for the dinner? Answer: $34.80 Notes

Multiple Discounts $300 A TV is originally $700. It is on sale for 15% off the original price. The store is offering an additional 10% off as part of its holiday sale. How much are you saving on the TV, and what is the final price. Answer: $164.50 and $535.50 Notes

Multiple Discounts $400 A mattress store sells their stock for 15% off of retail. If someone pays cash, they take an additional 10% off of the discounted price. If a mattress's retail price is $750, what is the price after the store discount and the cash discount? Answer: $573.75 Notes

Multiple Discounts $500 If a shirt originally cost $50 at Macy’s and it is on sale for 30% off and an additional 10% off and the same shirt is originally $50 at JCPenny’s and it is 25% off with an additional 15% off. Which store has the better deal on the shirt. Answer: Macy’s Notes

Random $100 The cost of a box of chocolates is $12.00. Tax is 6%. What will be the total cost of the chocolates? Answer: $12.72 Notes

Random $200 A woman put $580 into a savings account for one year. The rate of interest on the account was 4½%. How much interest did she earn for the year in dollars and cents? (Round to the nearest cent) Answer: $26.10 Notes

Random $300 Answer: Miles/Day A woman has been training for a marathon. She has been running on a regular basis and has run 120 miles in the past month. Which unit rate best represents her average miles run? A. Days/Mile B. Miles/Year C. Miles/Day D. Months/Mile Answer: Miles/Day Notes

Random $400 A student answered 86 problems on a test correctly and received a grade 98%. How many problems were on the test, if all the problems were worth the same number of points? (round to the nearest whole number) Answer: 88 questions Notes

Random $500 Mortimer wants a dozen doughnuts. He is very cheap and likes to save even the smallest amount of money. He found a coupon in the paper for Dunkin' Donuts. The coupon was for $1 off a dozen. The unit price is $0.35 per donut (before using the coupon). If he doesn’t use the coupon he can get $3.99 a dozen. What do you think Mortimer will do and why? Answer: He will use the coupon and pay $.35 each. That would be $4.20 - $1 = $3.20 instead of $3.99. Notes

Final Jeopardy A promotional sale at a department store offers 25% off the sale price. The sale price is 25% off the regular price. Is this the same as a sale that offers 50% off the regular price? Answer: No, if a product is 25% off, then an additional 25%, that is not equal to 50% off. 25% off, then an additional 25% off is equal to 43.75% off.