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QR Challenge: 3rd Grade - Math - Number Sense

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. How much is seven thousand, fifty-eight written in standard form?7058
2. Order these numbers from greatest to least: 513,395,576,634634,576,513,395
3. Order these numbers from least to greatest: 644,696,541,387387,541,644,696
4. Which digit is in the tens place in the number 1259 ?5
5. Which digit is in the hundreds place in the number 2164 ?1
6. What does the 3 represent in this number: 3826?3000
7. Round this number to the nearest hundred: 44,73744,700
8. Which number is 5000 + 40 + 6? 5046
9. Which number means 9000 + 70 + 7?9077
10. Which number will make the number sentence true? 45 + ___ = 10964
11. The town of Reno has 2174 men and 4939 women. How many people live in Reno?7113
12. Which number is 9 more than 1075?1084
13. 6898 – 2618 =4280
14. 6317 – 1935=4382
15. If Gail bought grapes for $8.75 and she paid with a $10 dollar bill, which expression shows the correct amount of change?$10-8.75
16. Which number makes this number sentence true? 8 + 16 = ___ x 46

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_much_is_seven_thousand,_fifty-eight_written_in_standard_form?

Question 1 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Order_these_numbers_from_greatest_to_least:_513,395,576,634

Question 2 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Order_these_numbers_from_least_to_greatest:_644,696,541,387

Question 3 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_digit_is_in_the_tens_place_in_the_number__1259_?

Question 4 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_digit_is_in_the_hundreds_place_in_the_number__2164_?

Question 5 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_does_the_3_represent_in_this_number:_3826?

Question 6 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_this_number_to_the_nearest_hundred:__44,737

Question 7 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_is_5000_+_40_+_6?

Question 8 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_means_9000_+_70_+_7?

Question 9 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_will_make_the_number_sentence_true?_45_+______=_109

Question 10 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_town_of_Reno_has_2174_men_and_4939_women._How_many_people_live_in_Reno?

Question 11 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_is_9_more_than_1075?

Question 12 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=6898_–_2618_=

Question 13 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=6317_–_1935=

Question 14 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_Gail_bought_grapes_for_$8.75_and_she_paid_with_a_$10_dollar_bill,_which_expression_shows_the_correct_amount_of_change?

Question 15 (of 16)

 


3rd Grade - Math - Number Sense: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_makes_this_number_sentence_true?___8_+_16_=_____x_4

Question 16 (of 16)