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QR Challenge: Compute With Mult-Digit Numbers

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. 17.3 + 6.824.1
2. Greyson made lunches for his family. He gave his son 25.7oz. of grains. He gave his daughter 13.4oz. of fruit. How many oz of food did Greyson pack in all?39.1oz
3. 15.2-13.12.1
4. Ralph had 18.18 pieces of candy. He decided to give 9.2 to his Gram-Gram and 8.3 to his Cous-Cous. How much candy does Ralph have left.?.68
5. 5.6 X 6.55 (round to the nearest whole number)42
6. 5.56 X 5.66 (round to the nearest whole number)36
7. Mark wanted to buy 2 items but he wanted to round to the whole number. If the first item is $5.65 and the second is $6.65. How much is the product rounded to the nearest whole number.$42
8. Joe wanted to buy a all America doll.It was 5.00 and he had 5.77.How much money was left2.52
9. Jim was multiplying a math problem,7.56x5.3.He had to round to the whole number.He got the answer of 35.Is it right or wrong.If it is wrong Why?What should be the answerIt is wrong because he rounded the 7.56 to 7 instead of 8.The answer should be 40
10. .38 X 93.42
11. .32 X 31.14
12. Billy had 7 friends. He wanted to give them all $4.35. How much money will Billy lose?$30.45
13. Kayla had 12 X 14.30 cupcakes. How many cupcakes does she have?161.60
14. 6.3 X 6.138.43
15. 4.5 X 7.232.40
16. Kallie has $12.36. She wants to find out what 6.3 X 12.36 equals. How much money would she have?77.57
17. 315/563
18. Amey has been traveling for 3.35 hours.He has been going at 54mph .How far has amey traveled180.9
19. 415/583
20. 240/803
21. Maddies library has 64 shelves and 1152 books .If the books are shelved evenly,how many books are on one shelf?65
22. 7.0/35(round)2
23. 11.57/3(round)4
24. St.Luis earned 62.3 inches of snow last January. About how many inches did they get a day?2
25. 63.2/3(round)21
26. .35/7.5
27. 3.9/31.3
28. Lindsey has 14 cows. She gave them to 4 friends. How many cows are left over?2
29. 7.3 - 3.83.5
30. 35.77+23.0458.81

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=17.3_+_6.8

Question 1 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Greyson_made_lunches_for_his_family._He_gave_his_son_25.7oz._of_grains._He_gave_his_daughter_13.4oz._of_fruit._How_many_oz_of_food_did_Greyson_pack_in_all?

Question 2 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=15.2-13.1

Question 3 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ralph_had_18.18_pieces_of_candy._He_decided_to_give_9.2_to_his_Gram-Gram_and_8.3_to_his_Cous-Cous._How_much_candy_does_Ralph_have_left.?

Question 4 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.6_X_6.55_(round_to_the_nearest_whole_number)

Question 5 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.56_X_5.66_(round_to_the_nearest_whole_number)

Question 6 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Mark_wanted_to_buy_2_items_but_he_wanted_to_round_to_the_whole_number._If_the_first_item_is_$5.65_and_the_second_is_$6.65._How_much_is_the_product_rounded_to_the_nearest_whole_number.

Question 7 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Joe_wanted_to_buy_a_all_America_doll.It_was_5.00_and_he_had_5.77.How_much_money_was_left

Question 8 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Jim_was_multiplying_a_math_problem,7.56x5.3.He_had_to_round_to_the_whole_number.He_got_the_answer_of_35.Is_it_right_or_wrong.If_it_is_wrong_Why?What_should_be_the_answer

Question 9 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=.38_X_9

Question 10 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=.32_X_3

Question 11 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Billy_had_7_friends._He_wanted_to_give_them_all_$4.35._How_much_money_will_Billy_lose?

Question 12 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Kayla_had_12_X_14.30_cupcakes._How_many_cupcakes_does_she_have?

Question 13 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.3_X_6.1

Question 14 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.5_X_7.2

Question 15 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Kallie_has_$12.36._She_wants_to_find_out_what_6.3_X_12.36_equals._How_much_money_would_she_have?

Question 16 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=315/5

Question 17 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Amey_has_been_traveling_for_3.35_hours.He_has_been_going_at_54mph_.How_far_has_amey_traveled

Question 18 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=415/5

Question 19 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=240/80

Question 20 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Maddies_library_has_64_shelves_and_1152_books_.If_the_books_are_shelved_evenly,how_many_books_are_on_one_shelf?

Question 21 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.0/35(round)

Question 22 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.57/3(round)

Question 23 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=St.Luis_earned_62.3_inches_of_snow_last_January._About_how_many_inches_did_they_get_a_day?

Question 24 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=63.2/3(round)

Question 25 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=.35/7

Question 26 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.9/3

Question 27 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=Lindsey_has_14_cows._She_gave_them_to_4_friends._How_many_cows_are_left_over?

Question 28 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.3_-_3.8

Question 29 (of 30)

 


Compute With Mult-Digit Numbers: QR Challenge

https://www.classtools.net/QR/decode.php?text=35.77+23.04

Question 30 (of 30)