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QR Challenge: Unit 6 Review (Solving 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. Solve: p + 35 = 243(p=208)
2. 2. Solve: -2 = k - 14(k=12)
3. 3. Solve: a/-2 = -11(a=22)
4. 4. Solve: 81 = 9c(c=9)
5. 5. Solve: 2x + 7 = 15(x=4)
6. 6. Solve: n/5 – 7 = -9(n=-10)
7. 7. Solve: -15 = 6 + 3y(y=-7)
8. 8. Solve: 3(9 + 2b) = 33(b=1)
9. 9. Solve: (h + 3)/7 = -2(h=-17)
10. 10. Solve: 4(12 + z) – z = -192(z=-80)
11. 11. Solve: 3m + 4 + 7m = -36(m=-4)
12. 12. Solve: y^2 + 7 = 56(y=7,-7)
13. 13. Solve: 3y^3 = -81(y=-3)
14. 14. Solve: -7b + 10 = -11 - 4b(b=7)
15. 15. Solve: 6(t - 5) = 2(t + 5)(t=10)
16. 16. Solve: 2 + 2(a - 4) = 2a - 6(R)
17. 17. Solve: -3.5a - 11.4 + 9.9a = 3(a=2.25)
18. 18. Solve: 3/5w = 5w + 22/25(w=-1/5)
19. 19. Solve: 11p - 3p + p – 7 = 9(p + 2)(no sol)
20. 20. Solve: -25 – a = 2a + 20(a=-15)
21. 21. Solve: 2/3b + 4/5 = 1/6b + 2 3/10(b=3)
22. 22. Write an equation for the following problem: (Use m for months) A calf weighs 220 pounds. The calf gains about 22 pounds a month. In how many months will the calf weigh 550 pounds?(550=220+22m)
23. 23. Solve the equation in problem #22.(15 months)
24. 24. Write an equation for the following problem: (Use r for rowing teams) At the Rolling River Regatta, fifty more than twice the number of women's rowing teams is equal to eighty-seven less than three times the number of women's rowing teams. How many women's rowing teams were at the regatta?(2r+50=3r-87)
25. 25. Solve the equation in problem #24.(137 teams)
26. 26. Write an equation for the following problem: (Use c for can) When you buy a can of seltzer water, you pay for the seltzer water and a $.05 recycling deposit. You pay $4.56 for a 12-pack of seltzer water. How much did each can of seltzer water cost before the deposit?(4.56=12(c+.05))
27. 27. Solve the equation in problem #26.($.33/can)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-Solve:-p-+-35-=-243

Question 1 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-Solve:--2-=-k---14

Question 2 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-Solve:-a/-2-=--11

Question 3 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-Solve:-81-=-9c

Question 4 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Solve:-2x-+-7-=-15

Question 5 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Solve:-n/5-–-7-=--9

Question 6 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-Solve:--15-=-6-+-3y

Question 7 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Solve:-3(9-+-2b)-=-33

Question 8 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Solve:-(h-+-3)/7-=--2

Question 9 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=10.-Solve:-4(12-+-z)-–-z-=--192

Question 10 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=11.-Solve:-3m-+-4-+-7m-=--36

Question 11 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=12.-Solve:-y^2-+-7-=-56

Question 12 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=13.-Solve:-3y^3-=--81

Question 13 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=14.-Solve:--7b-+-10-=--11---4b

Question 14 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=15.-Solve:-6(t---5)-=-2(t-+-5)

Question 15 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=16.-Solve:-2-+-2(a---4)-=-2a---6

Question 16 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=17.-Solve:--3.5a---11.4-+-9.9a-=-3

Question 17 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=18.-Solve:-3/5w-=-5w-+-22/25

Question 18 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=19.-Solve:-11p---3p-+-p-–-7-=-9(p-+-2)

Question 19 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=20.-Solve:--25-–-a-=-2a-+-20

Question 20 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=21.-Solve:-2/3b-+-4/5-=-1/6b-+-2-3/10

Question 21 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=22.-Write-an-equation-for-the-following-problem:--(Use-m-for-months)--A-calf-weighs-220-pounds.--The-calf-gains-about-22-pounds-a-month.--In-how-many-months-will-the-calf-weigh-550-pounds?

Question 22 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=23.-Solve-the-equation-in-problem-#22.

Question 23 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=24.-Write-an-equation-for-the-following-problem:--(Use-r-for-rowing-teams)--At-the-Rolling-River-Regatta,-fifty-more-than-twice-the-number-of-women's-rowing-teams-is-equal-to-eighty-seven-less-than-three-times-the-number-of-women's-rowing-teams.--How-many-women's-rowing-teams-were-at-the-regatta?

Question 24 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=25.-Solve-the-equation-in-problem-#24.

Question 25 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=26.-Write-an-equation-for-the-following-problem:--(Use-c-for-can)--When-you-buy-a-can-of-seltzer-water,-you-pay-for-the-seltzer-water-and-a-$.05-recycling-deposit.--You-pay-$4.56-for-a-12-pack-of-seltzer-water.--How-much-did-each-can-of-seltzer-water-cost-before-the-deposit?

Question 26 (of 27)

 



Unit 6 Review (Solving Equations): QR Challenge

https://www.classtools.net/QR/decode.php?text=27.-Solve-the-equation-in-problem-#26.

Question 27 (of 27)