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QR Challenge: Solving Systems of Equations

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. 1.Find the value of two numbers if their sum is 12 and their difference is 4. Write a system of equations that models this situation.yes
2. 2.Solve the system of equations you found in problem 1 by using the substitution method.yes
3. 3.The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.yes
4. 4.Solve the system of equations that you found in problem 3 by using the elimination method.yes
5. 5.The state fair is a popular field trip destination. This year the 8th grade class at Franklin MS and the 8th grade class at Heath MS both planned trips there. The senior class at High School A rented and filled 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.yes
6. 6.Solve the system of equations that you found in problem 6 graphically. Use the graph paper provided.yes
7. 7.Two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold?yes
8. 8.Solve the system of equations that you found in problem 7 by using the equal values method. yes
9. 9.Margie is responsible for buying a week's supply of food and medication for the dogs and cats at a local shelter. The food and medication for each dog costs twice as much as those supplies for a cat. She needs to feed 164 cats and 24 dogs. Her budget is $4240. How much can Margie spend on each dog and cat for food and medication?yes
10. 10.Solve the system of equations you found in problem 9 using the method of your choice. If you choose to solve the system of equations graphically use the back of the graph paper provided.yes

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=1.Find-the-value-of-two-numbers-if-their-sum-is-12-and-their-difference-is-4.-Write-a-system-of-equations-that-models-this-situation.

Question 1 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=2.Solve-the-system-of-equations-you-found-in-problem-1-by-using-the-substitution-method.

Question 2 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=3.The-school-that-Stefan-goes-to-is-selling-tickets-to-a-choral-performance.-On-the-first-day-of-ticket-sales-the-school-sold-3-senior-citizen-tickets-and-1-child-ticket-for-a-total-of-$38.-The-school-took-in-$52-on-the-second-day-by-selling-3-senior-citizen-tickets-and-2-child-tickets.-Find-the-price-of-a-senior-citizen-ticket-and-the-price-of-a-child-ticket.

Question 3 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=4.Solve-the-system-of-equations-that-you-found-in-problem-3-by-using-the-elimination-method.

Question 4 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=5.The-state-fair-is-a-popular-field-trip-destination.-This-year-the-8th-grade-class-at-Franklin-MS-and-the-8th-grade-class-at-Heath-MS-both-planned-trips-there.-The-senior-class-at-High-School-A-rented-and-filled-8-vans-and-8-buses-with-240-students.-High-School-B-rented-and-filled-4-vans-and-1-bus-with-54-students.-Every-van-had-the-same-number-of-students-in-it-as-did-the-buses.-Find-the-number-of-students-in-each-van-and-in-each-bus.

Question 5 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=6.Solve-the-system-of-equations-that-you-found-in-problem-6-graphically.-Use-the-graph-paper-provided.

Question 6 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=7.Two-small-pitchers-and-one-large-pitcher-can-hold-8-cups-of-water.--One-large-pitcher-minus-one-small-pitcher-constitutes-2-cups-of-water.--How-many-cups-of-water-can-each-pitcher-hold?

Question 7 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=8.Solve-the-system-of-equations-that-you-found-in-problem-7-by-using-the-equal-values-method.

Question 8 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=9.Margie-is-responsible-for-buying-a-week's-supply-of-food-and-medication-for-the-dogs-and-cats-at-a-local-shelter.--The-food-and-medication-for-each-dog-costs-twice-as-much-as-those-supplies-for-a-cat.--She-needs-to-feed-164-cats-and-24-dogs.--Her-budget-is-$4240.--How-much-can-Margie-spend-on-each-dog-and-cat-for-food-and-medication?

Question 9 (of 10)

 



Solving Systems of Equations : QR Challenge

https://www.classtools.net/QR/decode.php?text=10.Solve-the-system-of-equations-you-found-in-problem-9-using-the-method-of-your-choice.-If-you-choose-to-solve-the-system-of-equations-graphically-use-the-back-of-the-graph-paper-provided.

Question 10 (of 10)