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QR Challenge: Ratios & Proportions Review

Created using the ClassTools QR Treasure Hunt Generator

Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.


B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!


C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.


Questions / Answers (teacher reference)

Question

Answer

1. A rental car company charges Cindy $65 per day to rent a car. What is the maximum number of days that Cindy can rent a car if she has $260?4
2. Patricia has 100 tokens to use in six hours. The first 3 hours she used 20 tokens each hour. During the next two hours she used 15 tokens each hour. Which equation represents, n, the number of tokens left for the sixth hour?n=100-3(20)-2(15)
3. Billy has 25 pounds of dog food. He serves one full bowl of dog food for each meal. If each bowl holds x pounds of dog food, which equation can be used to find, m, the number of meals he can serve?m=25/x
4. The Richmond Town Council is hosting a banquet. The cost of a meal is $15 for 3 people and the banquet hall is charging a rental fee of $250. What will be the total cost of the banquet, including rental fee and meals for 60 people?$550
5. The Smith’s are renting an inflatable water slide for a birthday. There is a $25 delivery charge plus an additional charge of $75 for each hour that the water slide is rented. Which equation can be used to find, c, the total cost in dollars for the rental for four hours?c=25+4(75)
6. Maria is saving her money to buy an iPad. She has already saved $50. She earns $8 a week for chores and $5 a week is given to her as a allowance. She saves all of this money. Which equation can be used to represent, t, the total amount she has saved after, x, number of weeks?t=50+(8+5)x

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=A-rental-car-company-charges-Cindy-$65-per-day-to-rent-a-car.-What-is-the-maximum-number-of-days-that-Cindy-can-rent-a-car-if-she-has-$260?

Question 1 (of 6)

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Patricia-has-100-tokens-to-use-in-six-hours.-The-first-3-hours-she-used-20-tokens-each-hour.-During-the-next-two-hours-she-used-15-tokens-each-hour.-Which-equation-represents,-n,-the-number-of-tokens-left-for-the-sixth-hour?

Question 2 (of 6)

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Billy-has-25-pounds-of-dog-food.-He-serves-one-full-bowl-of-dog-food-for-each-meal.-If-each-bowl-holds-x-pounds-of-dog-food,-which-equation-can-be-used-to-find,-m,-the-number-of-meals-he-can-serve?

Question 3 (of 6)

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=The-Richmond-Town-Council-is-hosting-a-banquet.-The-cost-of-a-meal-is-$15-for-3-people-and-the-banquet-hall-is-charging-a-rental-fee-of-$250.-What-will-be-the-total-cost-of-the-banquet,-including-rental-fee-and-meals-for-60-people?

Question 4 (of 6)

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=The-Smith’s-are-renting-an-inflatable-water-slide-for-a-birthday.-There-is-a-$25-delivery-charge-plus-an-additional-charge-of-$75-for-each-hour-that-the-water-slide-is-rented.-Which-equation-can-be-used-to-find,-c,-the-total-cost-in-dollars-for-the-rental-for-four-hours?

Question 5 (of 6)

 



Ratios & Proportions Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Maria-is-saving-her-money-to-buy-an-iPad.-She-has-already-saved-$50.-She-earns-$8-a-week-for-chores-and-$5-a-week-is-given-to-her-as-a-allowance.-She-saves-all-of-this-money.-Which-equation-can-be-used-to-represent,-t,-the-total-amount-she-has-saved-after,-x,-number-of-weeks?

Question 6 (of 6)