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QR Challenge: Solving multi-step 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. What is the letter in an equation called?A variable
2. How do you figure out what x is equal to in the problem 2 + 4 = x?2add 2 + 4 and see what you get2
3. How do you figure out what r is equal to in this problem r/2 = 5?3 what divided by 2 equals 5. That's what r equals to3
4. If I bought 5 bottles of soda and every bottle cost 2.50 but they are all half off how much did I have to pay?46.25 4
5. If I bought 20 apples and the tenth apple was free and each apple costed 2.50 how much money did i spent?545 is your answer

 


Solving multi-step equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-letter-in-an-equation-called?

Question 1 (of 5)

 


Solving multi-step equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-do-you-figure-out-what-x-is-equal-to-in-the-problem-2-+-4-=-x?2

Question 2 (of 5)

 


Solving multi-step equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-do-you-figure-out-what-r-is-equal-to-in-this-problem-r/2-=-5?3

Question 3 (of 5)

 


Solving multi-step equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=If-I-bought-5-bottles-of-soda-and-every-bottle-cost-2.50-but-they-are-all-half-off-how-much-did-I-have-to-pay?4

Question 4 (of 5)

 


Solving multi-step equations: QR Challenge

https://www.classtools.net/QR/decode.php?text=If-I-bought-20-apples-and-the-tenth-apple-was-free-and-each-apple-costed-2.50-how-much-money-did-i-spent?5

Question 5 (of 5)