# Print

## 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. 2.1 + .59 2.60
2. Nancy bikes 2.65 miles in the morning and 3.19 miles in the afternoon. What total distance did she bike?5.84 miles
3. 1.4 + .221.62
4. It took Ray .45 hour to rake the leaves and .75 hour to mow the lawn. How long did it take Ray to rake leaves and mow the lawn?1.2 hours
5. Sam bought 3.45 pounds of red apples and 1.57 pounds of green apples. How many more red apples did Sam buy then green?1.88 pounds
6. Jenna bought a gallon of milk at the store for \$3.58. How much change did she get from the \$20?\$16.42
7. Subtract: 25.21 - 19.056.16
8. The width of a tree was 3.13 inches last year. THis year the width is 5.38. How much did the width of the tree increase?2.23 inches
9. Coleman has \$15. If he spends \$6.25 on a movie, \$2.95 on a drink, \$1.65 on each of two types of candy. How much will he have left?\$2.50
10. Find the product: 3 x 1.223.66
11. FInd the product: 21 x 43.5913.5
12. FInd the product: .4 x 1.2.48
13. A certain plan grows 1.2 feet in 1 day. At that rate how much would the plant grow in .5 days?.6 foot
14. Find the product: \$0.06 x 0.5\$0.03
15. A certain type of nuts are on sale at \$.35 per pound. Tamara buys 0.2 pounds of nuts. How much did they cost?\$0.07
16. Taylor uses 645.6 gallons of water in 7 days. Suppose he uses the same amount of water each day. How much water does she use in a day?92.2 gallons
17. 8.52 divided by 42.13
18. 3.64 divided by 1.32.8
19. Josh pays \$7 for 2.2 pounds of turkey. What is the price per pound?\$3.45
20. 2.7 divided by 0.39
21. 72 divided by 302.4

### Decimal Review for CRCT: QR Challenge

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