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QR Challenge: Rounding to the nearest million

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. 1. Round 234,678 to the nearest ten thousand. Write your answer in words. 1
2. 2. Round 1,456,523 to the nearest hundred. Write your answer in words.1
3. 3. Round 5462 to the nearest ten. Write your answer in expanded form. 1
4. 4. Round 84,663 to the nearest thousand. Write your answer in numerals. 1
5. 5. Miss Abbas rounds a number to the nearest 100 and gets 4500 as her answer. What could the largest number she stared with be?1
6. 6. In 2013, there were 778803 births in the UK. What is this to the nearest 1000? Nearest 10000? Nearest 100000? 1
7. 7. In July 2015, the population of the UK was estimated to be 64881609. What is this rounded to the nearest million? 1
8. 8. Mr Ruddick says that if he rounds 156642 to the nearest ten thousand he will have 150000. Is he correct? Explain how you know. 1

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-Round-234,678-to-the-nearest-ten-thousand.-Write-your-answer-in-words.

Question 1 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-Round-1,456,523-to-the-nearest-hundred.-Write-your-answer-in-words.

Question 2 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-Round-5462-to-the-nearest-ten.-Write-your-answer-in-expanded-form.

Question 3 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-Round-84,663-to-the-nearest-thousand.-Write-your-answer-in-numerals.

Question 4 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Miss-Abbas-rounds-a-number-to-the-nearest-100-and-gets-4500-as-her-answer.-What-could-the-largest-number-she-stared-with-be?

Question 5 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-In-2013,-there-were-778803-births-in-the-UK.-What-is-this-to-the-nearest-1000?-Nearest-10000?-Nearest-100000?

Question 6 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-In-July-2015,-the-population-of-the-UK-was-estimated-to-be-64881609.-What-is-this-rounded-to-the-nearest-million?

Question 7 (of 8)

 


Rounding to the nearest million: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Mr-Ruddick-says-that-if-he-rounds-156642-to-the-nearest-ten-thousand-he-will-have-150000.-Is-he-correct?-Explain-how-you-know.

Question 8 (of 8)