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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.

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 1/4< = > 2/8 1/4=2/8 3/5<=>3/4 3/5<3/4 The cavs were 20 of 40 from the three point line. The Spurs were 38 of 40 from behind the three point line. Who made more threes in the games The Spurs The track team ran the mile in 12.5 seconds. The other team ran the the mile in 12.3 seconds who ran the mile faster. the other team Estimate 23%+48% 70% Estimate 25%+57% 90% The first team won 25%bof their games. The other team won 23% of their games. Estimate the percent that both teams have won in all 50% The space case went 50% from the three point line. The Jazz went 51% from the three point line. Estimate what the total percent they shot was 100% 12/10 120% .6/100 .6% Jon made 13/10 out of shots 130% Jon have .3 of 100 of sand .3% 5% of 30 6 3% of 30 3 Jon had 5 apples what is 20% 20 Jon made 10 shots what is 10% 1 5% + 6% 11% 7% + 6% 13% Jon had 25% billy gave him 5% how much do they have in total 30% Jon had 6% John 7% how much do they have in total 13% 0.32 32/100 0.27 27/100 Michell had 0.32 tax 32/100 Christina had 0.20tax 20/100 38% 38/100 27% 27/100 Whitney had 70% of water 70/100 Raymond had 27% of juice 27/100 0.27 27% 0.43 43% Jessica had 0.45 of juice 45% Jayli had 0.37of water 37%

### Fractions,decimals and percents: QR Challenge

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