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QR Challenge: Fabulous fractions

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.
2. 1. There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping? 9 hours
3. 2. The National History Museum has collected 125 dinosaurs. George has collected 3/5 of this amount. How many dinosaurs has George collected? 75 dinosaurs
4. 3. Mr Murrin is 160cm tall and his brother Tom is 7/8 as tall as him. How tall is Tom? 140cm
5. 4. The weather forecaster says that it is 200 C in London but only 7/10 as hot in New York. How hot is it in New York? 140
6. 5. Skateboards cost £36 each in my local store. The shopkeeper says if I buy one I can buy another for only 7/9 of the normal price. How much would a second skateboard cost? £28
7. 6. Billy collected 256 conkers but lost ¾ of them on his way to school through a hole in his bag. When he arrived at school how many conkers did Billy have left? 64 conkers
8. 7. There are 25 pupils in the class, 3/5 of the pupils support Chelsea and the remainder support Arsenal. How many pupils support Arsenal? 10 children
9. 8. The local shop normally sells Mars bars for 40 pence. The shopkeeper says I can buy them for 1/4 less than the normal price. How much can I buy a Mars bar for? 30p
10. 9. Last year, Mr Murrin weighed 60 kg. This year he weighs 2/5 more. How much does Mr Murrin weigh this year? 84kg

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=

Question 1 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-There-are-24-hours-in-a-day-and-scientists-tell-us-that-we-should-sleep-for-3/8-of-the-day.-How-much-time-should-we-spend-sleeping?

Question 2 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-The-National-History-Museum-has-collected-125-dinosaurs.-George-has-collected-3/5-of-this-amount.-How-many-dinosaurs-has-George-collected?

Question 3 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-Mr-Murrin-is-160cm-tall-and-his-brother-Tom-is-7/8-as-tall-as-him.-How-tall-is-Tom?

Question 4 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-The-weather-forecaster-says-that-it-is-200-C-in-London-but-only-7/10-as-hot-in-New-York.-How-hot-is-it-in-New-York?

Question 5 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Skateboards-cost-£36-each-in-my-local-store.-The-shopkeeper-says-if-I-buy-one-I-can-buy-another-for-only-7/9-of-the-normal-price.-How-much-would-a-second-skateboard-cost?

Question 6 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Billy-collected-256-conkers-but-lost-¾-of-them-on-his-way-to-school-through-a-hole-in-his-bag.-When-he-arrived-at-school-how-many-conkers-did-Billy-have-left?

Question 7 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-There-are-25-pupils-in-the-class,-3/5-of-the-pupils-support-Chelsea-and-the-remainder-support-Arsenal.-How-many-pupils-support-Arsenal?

Question 8 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-The-local-shop-normally-sells-Mars-bars-for-40-pence.-The-shopkeeper-says-I-can-buy-them-for-1/4-less-than-the-normal-price.-How-much-can-I-buy-a-Mars-bar-for?

Question 9 (of 10)

 



Fabulous fractions: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Last-year,-Mr-Murrin-weighed-60-kg.-This-year-he-weighs-2/5-more.-How-much-does-Mr-Murrin-weigh-this-year?

Question 10 (of 10)