QR Challenge: Addition and subtraction of Fractions Team 1

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

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

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. At a class party Grace eats 4/8 of a cheese pizza and Maggie eats ¼ of a pepperoni pizza were eaten. How much pizza was eaten all together?	3/4
2.
3. Ethan goes out for a long walk. He walks 3/4 mile and then sit down to take a rest. Then you walk 3/8 of a mile. How far did Ethan walk altogether?	1 1/8
4.
5. Serenity walks 7/8 of a mile to school. Amaia walks 1/2 of a mile to school. How much farther does Serenity walk than Amaia?	3/8
6.
7. Jeremiah made two types of cookies. He used 2/3 cup of sugar for one recipe and 1/4 cup of sugar for the other. How much sugar did he use in all?	11/12
8.
9. A pitcher contains 2 3/4 pints of orange juice. After Zoey pours 5/8 of a pint into a glass, how much is left in the pitcher?	2 1/8
10.
11. 1/10 of the M&M’s in a bag are red and 1/5 are blue. What fraction of all the M&M’s are red and blue?	3/10
12.
13. A car drives 2 5/8 miles to the gas station and then 3 1/2 miles to the grocery store. How many miles did the care go in total?	6 1/8
14.
15. Emily swims a race in 29 3/10 seconds. Niharika swims the race in 33 9/10 seconds. How much faster was Emily than Niharika?	4 3/5
16.
17. Chase has 1/3 of a Hershey bar. Alex has 4/12 of a Hershey bar. How much do they have together?	2/3
18.
19. Michael has ¾ a bag of jelly beans and Trevor has 1/3 a bag. How many more jelly beans does Michael have?	5/12

Addition and subtraction of Fractions Team 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=At-a-class-party-Grace-eats-4/8-of-a-cheese-pizza-and-Maggie-eats-¼-of-a-pepperoni-pizza-were-eaten.-How-much-pizza-was-eaten-all-together?

Question 1 (of 19)