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QR Challenge: Decimals Galore Scavenger Hunt

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. 5.32 + 9.081 = _______14.401
2. 18 + 6.02 = ________24.02
3. 8 – 6.24 = __________1.76
4. 9.5 × 8 = __________76
5. 0.23 × 1.07 = _________0.2461
6. 21.7 ÷ 7 =_________3.1
7. Write the result of 26 ÷ 3 as a decimal8.6666...
8. 0.504 ÷ 0.09=_______5.6
9. 1.44 ×______=14401000
10. Write 1÷11 as a decimal0.0909...
11. Round 7.78 to the nearest tenth7.8
12. Round 50.624 to the nearest hundredth50.62
13. Compare 9.654 and 9.8. Use >,< or =<
14. Write seven hundred-thousandths in standard form0.00007
15. Write seven hundred thousandths in standard form0.700
16. Write 0.000089 in word formeighty-nine millionths
17. Write 0.000000089 in word formeighty-nine billionths
18. 50 hundredths is equivalent to ____tenths5
19. Ray was 0.53 meters long at birth. He is 5 years old now and is twice as tall than what he was at birth. How tall is Ray now?1.06 meters
20. Mrs. Geronimo has a $10 gift certificate to her local bakery. If she buys a slice of pie for $2.20 and uses the rest of the gift certificate to buy chocolate macaroons that cost $0.60 each, how many macaroons can Ms. Geronimo buy?13 macaroons
21. David took a walk around a park twice. He took 12.4 minutes to walk the first round. In the second round, he took 3.2 fewer minutes than he did the first round. How long did David take to complete his walk altogether?21.6 minutes
22. Michael, Ben, and Kelly are chewing bubble gum. Michael blows a bubble that is 1.340 inches in diameter. Ben’s bubble is 0.87 inches in diameter. Kelly has a tough time with her bubble, which is only 0.09 inches wide. What is the total diameter of the three bubbles?2.3 inches

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.32_+_9.081_=________

Question 1 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=18_+_6.02_=_________

Question 2 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=8_–_6.24_=___________

Question 3 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.5_×_8_=___________

Question 4 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.23_×_1.07_=__________

Question 5 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=21.7_÷_7_=_________

Question 6 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_result_of_26_÷_3_as_a_decimal

Question 7 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.504_÷_0.09=_______

Question 8 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.44_×______=1440

Question 9 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_1÷11_as_a_decimal

Question 10 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_7.78_to_the_nearest_tenth

Question 11 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Round_50.624_to_the_nearest_hundredth

Question 12 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Compare_9.654_and_9.8.__Use_>,<_or_=

Question 13 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_seven_hundred-thousandths_in_standard_form

Question 14 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

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

Question 15 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_0.000089_in_word_form

Question 16 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_0.000000089_in_word_form

Question 17 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=50_hundredths_is_equivalent_to_____tenths

Question 18 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ray_was_0.53_meters_long_at_birth._He_is_5_years_old_now_and_is_twice_as_tall_than_what_he_was_at_birth._How_tall_is_Ray_now?

Question 19 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Mrs._Geronimo_has_a_$10_gift_certificate_to_her_local_bakery._If_she_buys_a_slice_of_pie_for_$2.20_and_uses_the_rest_of_the_gift_certificate_to_buy_chocolate_macaroons_that_cost_$0.60_each,_how_many_macaroons_can_Ms._Geronimo_buy?

Question 20 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=David_took_a_walk_around_a_park_twice._He_took_12.4_minutes_to_walk_the_first_round._In_the_second_round,_he_took_3.2_fewer_minutes_than_he_did_the_first_round._How_long_did_David_take_to_complete_his_walk_altogether?

Question 21 (of 22)

 


Decimals Galore Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Michael,_Ben,_and_Kelly_are_chewing_bubble_gum._Michael_blows_a_bubble_that_is_1.340_inches_in_diameter._Ben’s_bubble_is_0.87_inches_in_diameter._Kelly_has_a_tough_time_with_her_bubble,_which_is_only_0.09_inches_wide._What_is_the_total_diameter_of_the_three_bubbles?

Question 22 (of 22)