# 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

• 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 OAA1 - Order of Operations, PEMDAS 1 OAA2 - Evaluating Expressions w/ Story Problems 2 NBTA1 - Understanding Place Value, 10x as Many 3 NBTA2 - Patterns of Zeroes When Multiplying Powers of 10 and Exponents 4 NBTA3a - Read, Write Decimals in Expanded Form (w/ and w/o exponents) 5 NBTA3b - Compare Decimals with >,<,= 6 NBTA4 - Round Decimals 7 NBTB7 - Add and Subtract Decimals 8 NBTB5 - Multiply Whole Numbers (w/ Standard Algorithm) 9 NBTB7 - Multiply Decimals 10 NBTB6 - Divide Whole Numbers 11 NBTB7 - Divide Decimals 12 NFA1 - Add and Subtract Fractions With Unlike Denominators 13 NFA2 - Add and Subtract Mixed Numbers With Unlike Denominators 14 NFA4 - Multiply Fractions and Mixed Numbers 15 NFB3 - Interpret Fractions as Division 16 NFB7 - Divide Unit Fractions 17 MDA1 - Measurement Conversions (Customary) 18 MDA1 - Measurement Conversions (Metric) 19 MDC3 - Volume 20 MDB2 - Line Plots 21 GA1, GA2 - Graphing and Coordinates 22 GB3, GB4 - Classifying Triangles and Quadrilaterals by Properties 23

### Math Notebook Scavenger Hunt: QR Challenge

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