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. 1. Write the written description as an equation. The sum of two times a number h and 5 is 7. | 2h + 5 = 7 | 2. 2. Write the written description as an equation. The difference between 3 times a number x and 5 is 4. | 3x - 5 = 4 | 3. 3. Write the written description as an equation. The quotient of a number v and 5 is 10. | v/5 = 10 | 4. 4. Write the written description as an equation. The product of 7 and a number n is 77. | 7n = 77 | 5. 5. What is the slope-intercept form? | y = mx + b | 6. 6. A vertical line has what kind of slope? | undefined | 7. 7. A horizontal line has what kind of slope? | zero | 8. 8. Graph a line that passes through (-1, -2) and has a slope of -2. | see graph | 9. 9. Graph a line that passes through (-5, -5) and has a slope of -1/2. | see graph | 10. 10. Write the equation of a line that passes through (-1, -2) and has a slope of -2. | y = -2x - 4 | 11. 11. Write the equation of a line in slope-intercept form that passes through (2, 0) and (0, 1). | y = -1/2 + 1 | 12. 12. Write the equation of a line in point-slope form that passes through (3, 4) and (0, 2) | y - 4 = 2/3(x - 3) | 13. 13. Change the following equation to slope-intercept form: 4x + 2y = 8 | y = -2x + 4 | 14. 14. Change the following equation to slope-intercept form: -2x - 3y = 9 | y = -2/3x - 3 | 15. 15. Graph the equation 3x - 2y = 6. | see graph | 16. 16. After a laptop is purchased, its value decreases by $150 each year. After 2 years, the laptop is worth $600. Write an equation that represents the value V, in dollars, of the laptop, x years after it is purchased. | V = -150x + 900 | 17. 17. Identify the x-intercept of the equation: y = -3x – 1 | x-intercept = -(1/3) | 18. 18. Identify the x-intercept of the equation: 3x + 2y = 9 | x-intercept = 3 | 19. 19. Write the equation of a line in slope-intercept form that has a y-intercept of 3 and a slope of –(1/2). | 20. 20. Write the equation of a line in standard form that has a y-intercept of 0 and a slope of 2. | 2x – y = 0 | 21. 21. What is the slope of the following equation? y = 2x – 3 | m = 2 | 22. 22. What is the slope of the following equation? 3x + 2y = 4 | m = /(3/2) | 23. 23. What is the y-intercept of the following equation? 3x + 2y = 4 | b = 2 | 24. 24. What is the y-intercept of the following equation? y – 4 = 3(x + 2) | b = 10 |
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