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QR Challenge: Creating and Solving Equations

Created using the ClassTools QR Treasure Hunt Generator

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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. John plans to purchse DVDs from Amazon.Each DVD he orders costs $15 and shipping $6.99.Andy can spend $75.How many DVDs can her order?4.53 which is 4 DVDs
2. Eight subtracted from ten times a number is 72.Find the number.8
3. Five subtracted from five times a number is 85.Find the number.18
4. Six time a number increased by 7 is 49.Find the number.7
5. Three times a number decreased by two is sixteen more than six times the number.Find the number-6
6. Ten times a number decreased by 3 is 27 more than 5 times the number.Find the number.6
7. A job annual salary is $45,321 if you have to pay 30% in taxes.What is your pay after taxes?$31724.70
8. You make $31724.70 after taxes.You get paid twice a month.How much is each paycheck?$1220.18
9. You go out to eat and the bill comes to $56.48. You give the server a 15% tip.How much is your total bill including tip?$64.95
10. You purchase a car for $25,450.Each year the car looses $800 in value.What is the value of the car after 6 years?$20,650

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=John-plans-to-purchse-DVDs-from-Amazon.Each-DVD-he-orders-costs-$15-and-shipping-$6.99.Andy-can-spend-$75.How-many-DVDs-can-her-order?

Question 1 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Eight-subtracted-from-ten-times-a-number-is-72.Find-the-number.

Question 2 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Five-subtracted-from-five-times-a-number-is-85.Find-the-number.

Question 3 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Six-time-a-number-increased-by-7-is-49.Find-the-number.

Question 4 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Three-times-a-number-decreased-by-two-is-sixteen-more-than-six-times-the-number.Find-the-number

Question 5 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ten-times-a-number-decreased-by-3-is-27-more-than-5-times-the-number.Find-the-number.

Question 6 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-job-annual-salary-is-$45,321-if-you-have-to-pay-30%-in-taxes.What-is-your-pay-after-taxes?

Question 7 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-make-$31724.70-after-taxes.You-get-paid-twice-a-month.How-much-is-each-paycheck?

Question 8 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-go-out-to-eat-and-the-bill-comes-to-$56.48.-You-give-the-server-a-15%-tip.How-much-is-your-total-bill-including-tip?

Question 9 (of 10)

 


Creating and Solving Equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=You-purchase-a-car-for-$25,450.Each-year-the-car-looses-$800-in-value.What-is-the-value-of-the-car-after-6-years?

Question 10 (of 10)