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QR Challenge: Making Arrays

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

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. Joe has a garden that has 5 rows in it. Each row has 4 tomato plants in it. Make an array to show this how many tomato plants are in Joe’s garden. Write an addition sentence to prove this.5x4
2. Sara has a dollhouse that has 3 levels. Each level will hold 8 dolls. Make an array to show how many dolls are in the dollhouse. Write an addition sentence to prove this.3x8
3. Leo has Pokemon cards in a case with 2 shelves. Each shelf holds 15 cards. Make an array to show how many cards Leo has in his case. Write an addition Sentence to prove this.2x15
4. Tommy has videos that he likes to watch. The videos are on a shelf in his room. The shelf has 3 parts that hold 5 videos each. Make an array that shows how many videos Tommy has. Write an addition sentence to prove this.3x5
5. Kate has lots of hair bows on a hanger in her room. The hanger has 10 hooks that will hold 10 bows on each. Make an array to show how many bows Kate has. Write an addition sentence to prove this.10x10
6. Marla has a photo book with picture that she took on vacation. Her photo book has 9 pages that hold 7 pictures each. Make an array to show how many pictures Marla took on vacation. Write an addition sentence to prove this.9x7

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Joe-has-a-garden-that-has-5-rows-in-it.--Each-row-has-4-tomato-plants-in-it.--Make-an-array-to-show-this-how-many-tomato-plants-are-in-Joe’s-garden.-Write-an-addition-sentence-to-prove-this.

Question 1 (of 6)

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Sara-has-a-dollhouse-that-has-3-levels.--Each-level-will-hold-8-dolls.--Make-an-array-to-show-how-many-dolls-are-in-the-dollhouse.--Write-an-addition-sentence-to-prove-this.

Question 2 (of 6)

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Leo-has-Pokemon-cards-in-a-case-with-2-shelves.--Each-shelf-holds-15-cards.--Make-an-array-to-show-how-many-cards-Leo-has-in-his-case.--Write-an-addition-Sentence-to-prove-this.

Question 3 (of 6)

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Tommy-has-videos-that-he-likes-to-watch.--The-videos-are-on-a-shelf-in-his-room.--The-shelf-has-3-parts-that-hold-5-videos-each.--Make-an-array-that-shows-how-many-videos-Tommy-has.--Write-an-addition-sentence-to-prove-this.

Question 4 (of 6)

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Kate-has-lots-of-hair-bows-on-a-hanger-in-her-room.--The-hanger-has-10-hooks-that-will-hold-10-bows-on-each.--Make-an-array-to-show-how-many-bows-Kate-has.--Write-an-addition-sentence-to-prove-this.

Question 5 (of 6)

 


Making Arrays: QR Challenge

https://www.classtools.net/QR/decode.php?text=Marla-has-a-photo-book-with-picture-that-she-took-on-vacation.--Her-photo-book-has-9-pages-that-hold-7-pictures-each.--Make-an-array-to-show-how-many-pictures-Marla-took-on-vacation.--Write-an-addition-sentence-to-prove-this.

Question 6 (of 6)