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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
1. What is the simplified form of ⎷(7x/16) ? | (⎷(7x)/4 | 2. See reference image # 1 and write the correct letter answer. | A | 3. What value of x makes (⎷(x) - 3 = 6? | 81 | 4. Simplify ⎷(20x^16y^25) - 3 for positive x and y values. | 2x^8y^12⎷(5y) | 5. See reference image # 10 and write ALL correct answers. | {(-4, 0), (-1, 0)} | 6. Simplify ∛(6w^7) times ∛(4w^5). | 2w^4∛(3) | 7. See reference image # 3 and write the letter of the best answer. | A | 8. Completely factor: 18x^4 + 12x^3 - 6x | 6x(3x^3 + 2x^2 - 1) | 9. Simplify i^(75). | -i | 10. See reference image # 11 and write the correct answer. | (1, -2) | 11. Which of the following numbers will make x^2+bx-60 factor able? 61, 23, -7, -16 | -7 | 12. See reference image # 2 and write the letter of the correct answer. | C | 13. Find the sum of 12/(x+1) + 1/(x-4) assume the denominators of both fractions do not equal zero. | (13x-47)/[(x+1)(x-4()] | 14. Simplify ⎷(36x^9y^25). | 6x^3y^5 | 15. See reference image # 4 and write the letter of the correct answer. | B | 16. = (2x+9)/(5x) ? | 27/14 | 17. What value of x makes ∛(2x-5) = 3 true? | 16 | 18. Assume x does not equal zero, solve (3x-4)/(x^2) = 3/(2x). | 8/3 | 19. See reference image # 5 and write the letter of the correct answer. | B | 20. Given f(x) = 4x^4 - 15 and g(x) = 2x + 11, find g(f(x)). | 8x^4 - 19 | 21. If f(x) = x^2 + 3x and g(x) = 2x^2, find g(f(-1)). | 8 | 22. See reference image # 6, write the ordered pair(s). | {(-4, 3), (-1, 0)} | 23. The volume of a cone (V) varies jointly with its height (h) and the square of its radius (r). If k is the constant of proportionality, what is the model that best represents the correct relationship between volume, radius, and height? | V = kr^2h | 24. See reference image # 7 and write the letter that best represents the correct answer. | D | 25. What is the equation of the horizontal asymptotes of the graph of following equation? f(x) = 4^(x+1) - 10 | y=-10 | 26. See reference image # 13 and write the letter to the best answer. | D | 27. Describe the end behavior of f(x) = -x^7 + bx^3 + c as x approaches negative infinity. | f(x) approaches positive infinity. | 28. Find the zeros of 7x^2 + 16x - 48. | (12)/7 and - 4 | 29. What is the inverse of f(x) = x^3 +11? | f^-1(x)=∛(x - 11) | 30. See reference image # 8 and write the ordered pair(s) that fit the problem. | {(-3/2, 0), (1/2, 0)} | 31. See reference image # 9, what letter is the best answer for this problem? | D | 32. What is the domain of g(x) = log(x - 1)? | x greater than or equal to 0 | 33. What is the possible number of permutations of 8 objects taken 3 at a time? | 336 | 34. See reference image # 12 and write the letter that corresponds to the best answer. | A | 35. What is the sum of the first 20 terms of the arithmetic sequence: 1/3, 2/3, 1, 4/3, 5/3, ... ? | 70 |
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