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QR Challenge: Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.

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. Laurie had 24 pumpkin seeds. She also had 35 apple seeds. She planted 42 of the seeds. How many seeds did Laurie have left?17
2. Chad had 48 pieces of candy. He ate 12 pieces. Then he gave his friend 15 pieces. How many pieces of candy did Chad have left?21
3. Lisa is using 48 beads for a necklace. She has 22 orange beads and 16 green beads. The rest are blue. How many blue beads does Lisa have?10
4. Break this sum into smaller pieces to make it easier. I have 6 packets of biscuits, each packet holds 12 biscuits. How many biscuits are there all together?72
5. Jacks magic beans were able to grow 13 plants for every bean planted. How many beans would he need to plant to get 100 plants?8

 



Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.
Q1/5:

Laurie had 24 pumpkin seeds. She also had 35 apple seeds. She planted 42 of the seeds. How many seeds did Laurie have left?&choe=UTF-8

Question 1 (of 5)

 



Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.
Q2/5:

Chad had 48 pieces of candy. He ate 12 pieces. Then he gave his friend 15 pieces. How many pieces of candy did Chad have left?&choe=UTF-8

Question 2 (of 5)

 



Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.
Q3/5:

Lisa is using 48 beads for a necklace. She has 22 orange beads and 16 green beads. The rest are blue. How many blue beads does Lisa have?&choe=UTF-8

Question 3 (of 5)

 



Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.
Q4/5:

Break this sum into smaller pieces to make it easier. I have 6 packets of biscuits, each packet holds 12 biscuits. How many biscuits are there all together?&choe=UTF-8

Question 4 (of 5)

 



Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve these problems. Make sure you draw a picture or write out a sum to show your thinking. Work with a buddy.
Q5/5:

Jacks magic beans were able to grow 13 plants for every bean planted. How many beans would he need to plant to get 100 plants?&choe=UTF-8

Question 5 (of 5)