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QR Challenge: Decimals Review

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. Rename as a fraction in simplest form. 0.3417/50
2. 2. Model the fraction. Write the fraction as a decimal. 9/10 .9
3. 3. Write the decimal as a fraction .71 71/100
4. 4. Write an equivalent fraction to 0.4 0.40
5. 5. Model and write as a decimal 3 3/10 3.3
6. 6. Write the decimal and fraction: fourteen and five hundredths 4.05 4 05/100
7. 7. Write as a mixed number 21.17 21 17/100
8. 8. Write the decimal in expanded form: 0.31 0.3 + 0.01
9. 9. Write the decimal in expanded form: 142.05 100 + 40 + 2 + 0.05
10. 10.Write in standard form: 40 + 2 + 0.2 + 0.04 42.24
11. 11.Write the word name: 200 + 50 + 0.6 two hundred fifty and six tenths
12. 12. Write the word name: 50 + 1 + 0.8 + 0.05 fifty-one and eighty-five hundredths
13. 13. 0.5 ______ 0.54 <
14. 14. 239.08 _______ 239.80 <
15. 15. 302.39 ______ 301.89 >
16. 16. 0.9 ______ 0.90 =
17. 17. Order from least to greatest: 0.3 ,0.6, 0.1 0.1, 0.3, 0.6
18. 18. Order from least to greatest: 13.8, 31. 8, 3.18 3.18, 13.8, 31.8
19. 19. Order from least to greatest: 19.1, 19.001, 19.01 19.001, 19.01, 19.1
20. 20. Order from greatest to least: 71.9 , 71.09, 17.9 71.9, 71.09, 17.9
21. 21. Round to the nearest one. 9.4 9
22. 22. Round to the nearest one. 11.9 12
23. 23. Round to the nearest one. 23. 01 23
24. 24. Round to the nearest tenth. 31.83 31.8
25. 25. Round to the nearest tenth. 17.49 17.5

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=1._Rename_as_a_fraction_in_simplest_form._0.34

Question 1 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=2._Model_the_fraction._Write_the_fraction_as_a_decimal.__9/10

Question 2 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=3._Write_the_decimal_as_a_fraction_.71

Question 3 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=4._Write_an_equivalent_fraction_to_0.4

Question 4 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5._Model_and_write_as_a_decimal_3_3/10

Question 5 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=6._Write_the_decimal_and_fraction:_fourteen_and_five_hundredths

Question 6 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=7._Write_as_a_mixed_number_21.17

Question 7 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8._Write_the_decimal_in_expanded_form:_0.31

Question 8 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=9._Write_the_decimal_in_expanded_form:_142.05

Question 9 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.Write_in_standard_form:_40_+_2_+_0.2_+_0.04

Question 10 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.Write_the_word_name:_200_+_50_+_0.6

Question 11 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=12._Write_the_word_name:_50_+_1_+_0.8_+_0.05

Question 12 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=13._0.5________0.54

Question 13 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=14._239.08_________239.80

Question 14 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=15._302.39________301.89

Question 15 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=16._0.9________0.90

Question 16 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=17._Order_from_least_to_greatest:_0.3_,0.6,_0.1

Question 17 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=18._Order_from_least_to_greatest:_13.8,_31._8,_3.18

Question 18 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=19._Order_from_least_to_greatest:_19.1,_19.001,_19.01

Question 19 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=20._Order_from_greatest_to_least:_71.9_,_71.09,_17.9

Question 20 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=21._Round_to_the_nearest_one._9.4

Question 21 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=22._Round_to_the_nearest_one._11.9

Question 22 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=23._Round_to_the_nearest_one._23._01

Question 23 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=24._Round_to_the_nearest_tenth._31.83

Question 24 (of 25)

 


Decimals Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=25._Round_to_the_nearest_tenth._17.49

Question 25 (of 25)