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QR Challenge: Rounding and Place Value

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. Round to the nearest hundreds 34,93434,900
2. What is the value of the number 4? 834,9735,000
3. Round to the nearest 10,000 291,273,380291,270,000
4. Estimate 37,345+45,92090,000
5. What is the value of the 5? 593,734500,000
6. Round to the nearest hundred 983,490983,000
7. Round to the nearest thousand. 838,837840,000
8. What number is in the hundred tnousands place? 8,483,0184
9. What number is rounded to the tens place? 34,200 89,192 76,92076,920
10. Estimate 92,456-23,90270,00
11. Round to the nearest ten. 34,09934,100

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_to_the_nearest_hundreds_34,934

Question 1 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_value_of_the_number_4?_834,973

Question 2 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_to_the_nearest_10,000_291,273,380

Question 3 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_37,345+45,920

Question 4 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_value_of_the_5?_593,734

Question 5 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_to_the_nearest_hundred_983,490

Question 6 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_to_the_nearest_thousand._838,837

Question 7 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_number_is_in_the_hundred_tnousands_place?_8,483,018

Question 8 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_number_is_rounded_to_the_tens_place?_34,200__89,192__76,920

Question 9 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Estimate_92,456-23,902

Question 10 (of 11)

 


Rounding and Place Value: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_to_the_nearest_ten._34,099

Question 11 (of 11)