# 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 a number that names a part of a whole Fraction equal equivalent the top number in a fraction Numerator a number that is multiplied by another to get a product. 2 x 3 Factor the result of multiplying a given number by another 2: 2, 4, 6, 8 Multiple a number with a decimal point Decimal a dot used to separate the ones place from the tenths Decimal Point a fraction whose numerator is greater than or equal to its denominator Improper Fraction the bottom number in a fraction Denominator a denominator that is the same in two or more fractions Common Denominator breaking into parts Decompose a number made up of a whole number and a fraction Mixed Number the first place value column to the right of a decimal point Tenths the second place value column to the right of a decimal point Hundredths What is one way you have learned to find the Least Common Multiple? By listing the multiples of a set of numbers. LCM (2, 7) 14 LCM (3, 5, 6) 30 LCM (2,5,10) 10

### Fraction Vocabulary: QR Challenge

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