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QR Challenge: Multiplying Decimals Practice

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. Multiply: 3.3 x 929.7
2. Multiply: 928 x 0.17157.76
3. Multiply: $6.45 x 96$619.20
4. Multiply: 0.356 x 9333.108
5. Danica Patrick can travel at 154.67 miles per hour in her race car. How far can she travel in 3 hours?464.01
6. How many decimal places do you need to move over for in the answer in the following problem, 5.456 X 23.1226
7. Estimate the amount of money you need to pay for a tank of gas if one gallon costs $3.04 and the tank holds 11.9 gallons.$36
8. The sticker on Dean's new car states that the car averages 32.6 miles per gallon. If the fuel tank holds 12.3 gallons, then how far can Dean travel on one full tank of gas?400.98
9. There are 2.54 centimeters in one inch. How many inches are there in 51.78 centimeters? Round your answer to the nearest thousandth.131.521
10. How many spaces to the right do you move the decimal in the answer to the following problem, 7.98 X 1.22?4

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Multiply:--3.3-x-9

Question 1 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Multiply:--928-x-0.17

Question 2 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Multiply:-$6.45-x-96

Question 3 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Multiply:-0.356-x-93

Question 4 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Danica-Patrick-can-travel-at-154.67-miles-per-hour-in-her-race-car.-How-far-can-she-travel-in-3-hours?

Question 5 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-many-decimal-places-do-you-need-to-move-over-for-in-the-answer-in-the-following-problem,-5.456-X-23.122

Question 6 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate-the-amount-of-money-you-need-to-pay-for-a-tank-of-gas-if-one-gallon-costs-$3.04-and-the-tank-holds-11.9-gallons.

Question 7 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-sticker-on-Dean's-new-car-states-that-the-car-averages-32.6-miles-per-gallon.-If-the-fuel-tank-holds-12.3-gallons,-then-how-far-can-Dean-travel-on-one-full-tank-of-gas?

Question 8 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=There-are-2.54-centimeters-in-one-inch.-How-many-inches-are-there-in-51.78-centimeters?-Round-your-answer-to-the-nearest-thousandth.

Question 9 (of 10)

 


Multiplying Decimals Practice: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-many-spaces-to-the-right-do-you-move-the-decimal-in-the-answer-to-the-following-problem,-7.98-X-1.22?

Question 10 (of 10)