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QR Challenge: Room 27 Topic 9 Treasure Hunt

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. 1. A story has 82 pages. Luke reads 28 pages on Thursday and 37 pages on Friday. How many pages did he read in all? How many pages are left?28 + 37 = 65, 82 - 65 = 17
2. 56 - 38 = 18. Is it right or wrong? Use star-checking to find out. If there’s a mistake, show how to subtract correctly.RIGHT
3. 361 - 65 = 304. Is it right or wrong? Use star-checking to find out. If there’s a mistake, show how to subtract correctly.WRONG 361-65=296
4. 4. Show how to subtract 403 - 186.217
5. Show how to subtract 2006 - 357. This one is challenging!2006-357 = 1649
6. Ms. Debuque had some lollipops. She gave 125 to the class. Now she has 78 left. How many lollipops did Ms. Debuque have to start with?___ - 125 = 78 or 78 + 125 = 203
7. 7. Show the subtraction problem on the number line: 34 - 20 = _____ Answers may vary
8. 8. Show the subtraction problem on the number line: 72 - 35 = _____ Answers may vary
9. 9. Draw models to answer and show this subtraction equation: 57 - 19 = _____Answers may vary.
10. 10. Write R if you need to regroup, and NR if you don’t have to regroup. Then solve the problem. (You can write it in vertical form) 71 - 27 = ________R 71-27=44
11. 11. 10. Write R if you need to regroup, and NR if you don’t have to regroup. Then solve the problem. (You can write it in vertical form) 456 - 326 = ________NR 456 - 326 = 130

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-A-story-has-82-pages.-Luke-reads-28-pages-on-Thursday-and-37-pages-on-Friday.-How-many-pages-did-he-read-in-all?-How-many-pages-are-left?

Question 1 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=56---38-=-18.-Is-it-right-or-wrong?-Use-star-checking-to-find-out.-If-there’s-a-mistake,-show-how-to-subtract-correctly.

Question 2 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=361---65-=-304.-Is-it-right-or-wrong?-Use-star-checking-to-find-out.-If-there’s-a-mistake,-show-how-to-subtract-correctly.

Question 3 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-Show-how-to-subtract-403---186.

Question 4 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Show-how-to-subtract-2006---357.-This-one-is-challenging!

Question 5 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms.-Debuque-had-some-lollipops.-She-gave-125-to-the-class.-Now-she-has-78-left.-How-many-lollipops-did-Ms.-Debuque-have-to-start-with?

Question 6 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-Show-the-subtraction-problem-on-the-number-line:-34---20-=-_____

Question 7 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Show-the-subtraction-problem-on-the-number-line:-72---35-=-_____

Question 8 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Draw-models-to-answer-and-show-this-subtraction-equation:-57---19-=-_____

Question 9 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.-Write-R-if-you-need-to-regroup,-and-NR-if-you-don’t-have-to-regroup.-Then-solve-the-problem.-(You-can-write-it-in-vertical-form)-71---27-=-________

Question 10 (of 11)

 


Room 27 Topic 9 Treasure Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.-10.-Write-R-if-you-need-to-regroup,-and-NR-if-you-don’t-have-to-regroup.-Then-solve-the-problem.-(You-can-write-it-in-vertical-form)-456---326-=-________

Question 11 (of 11)