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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.

Question

1. Write the equation: 1/2 x 1/10 = 1/20 then label the parts of the multiplication equation. factor x factor = product
2. Estimate the product of these fractions using your fractions on a number line chart: 3/5 x 5/12 1/2 x 1/2 = 1/4
3. Estimate the product of these fractions using your fractions on a number line chart: 3/8 x 8/9 1/2 x 1 = 1/2
4. Estimate the product of these fractions using your fractions on a number line chart: 9-13/15 x 2/5 10 x 1/2 = 5
5. Estimate the product of these fractions using compatible numbers: 1/4 x 15 1/4 x 16 = 4
6. Estimate the product of these fractions using compatible numbers: 3/5 x 19 3/5 x 20 = 12
7. Estimate the product of these fractions using compatible numbers: 7/8 of 33 7/8 x 32 = 28
8. Multiply. Write your answer in simplest form. 3 x 4/5 = 12/5 = 2-2/5
9. Multiply. Write your answer in simplest form. 1/4 x 6 =6/4 = 1-1/2
10. Multiply. Write your answer in simplest form. 1/2 x 2-3/8 = 1-3/16
11. Multiply. Write your answer in simplest form. 1-3/4 x 2-4/5 = 4-9/10
12. You have 6 donuts and you want to give 2/3 of them to a friend. How many donuts would your friend get? 6 x 2/3 = 12/3 = 4
13. 3/4 of a pan of brownies was sitting on the counter. You decided to eat 1/3 of the brownies in the pan. How much of the whole pan of brownies did you eat? 7/8 x 1/4 = 7/28 of the entire pan of brownies
14. Tyler and Kaleb went fishing. Kaleb caught 5 fish and Tyler caught 2-1/5 times as many fish as Kaleb. How many fish did Tyler catch? 5 x 11/5 = 11 fish
15. Jewel made 15 bouquets of flowers. If she used 4/5 of a bunch of flowers for each bouquet, how many bunches of flowers did she need? 15 x 4/5 = 12
16. Annalee is making fruit salad. She purchased 9-2/3 ounces each of 6 different fruits. How many ounces of fruit did she purchase? 58 ounces
17. Logan is training for a track meet. He ran 2-1/4 miles 5 times this week. How far did Logan run this week? 11-1/4 miles
18. A lumber yard has a scrap sheet of plywood that is 23/34 inches by 41-1/5 inches. What is the area of the plywood? 978-1/2 square inches
19. A planter box in the city plaza measure 3-2/3 feet by 4-1/8 feet by 2-1/2 feet. Find the volume of the planter box. 37-13/16
20. Emily is mixing 3-1/5 batches of tempera paint. If one batch calls for 2-3/4 tablespoons of detergent to add to the tempera powder, how many tablespoons of detergent will Emily need? 8-4/5 tablespoons
21. To make a batch of fruit punch, Landon needs 2-2/3 cups of blackberry juice. If he wants to make 2-3/4 batches of punch, how many cups of blackberry juice will he need? 7-1/3 cups

Multiplying Fractions Scavenger Hunt: QR Challenge

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