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QR Challenge: Maths Week QR Quiz

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. The average of first 50 natural numbers is …25.5
2. 2. A fraction which has the same ratio to 1/27 as 3/11 has to 5/9 is equal to …1/55
3. 3. The number of 3-digit numbers divisible by 6, is …150
4. 4. What is 1004 divided by 2?502
5. 5. A clock strikes once at 1 o’clock, twice at 2 o’clock, three times at 3 o’clock and so on.. How many times will it strike in 24 hours?156
6. 6. 125 litres of a mixture contains 20% water. What amount of additional water should be added so that water content be raised to 25%?8 1/3 litres
7. 7. 106 × 106 – 94 × 94 = ?2400
8. 8. Which of the following numbers gives 240 when added to its own square?15
9. 9. 83 × 82 × 8-5 is …1
10. 10. The simplest form of 1.5 : 2.5 is …3:5
11. 11. 19 + ……. = 4223
12. 12. What is the symbol of pi? π
13. 13. Arrange the numbers in ascending order: 36, 12, 29, 21, 7. 7, 12, 21, 29, 36
14. 14. What is the greatest two digit number?99
15. 15. How much is 90 – 19?71
16. 16. Find the value of x; if x = (2 × 3) + 11.17
17. 17. What is the smallest three digit number?100
18. 18. What is 1000 × 1 equal to?1000
19. 19. 20 is divisible by how many whole numbers?6
20. 20. How many sides are there in a nonagon?9
21. 21. How many months have 30 days.4
22. 22. Which number occurred before 9019?9018
23. 23. In words number 14 can be written as …….Fourteen
24. 24. What kind of number is 37…Prime, Odd ot Both?Both
25. 25. 13 – 13 × 111 – 111 = ……..-1541
26. 26. 6 – (5 – 3) + 10 = ……14
27. 27. The least number of five digits which is completely divisible by 39, is …10023
28. 28. If ‘+’ means ‘×’, ‘-‘ means ‘+’, ‘×’ means ‘÷’ and ‘÷’ means ‘-‘ then find the value of; 6 – 9 + 29. 8 × 3 ÷ 20 = …10
29. 30. What is 121 times 11?1331
30. 31. A car covers a distance of 200km in 2 hours 40 minutes, whereas a jeep covers the same distance in 2 hours. What is the ratio of their speed?3:4
31. 32. 10001 – 101 = ?9900
32. 33. A number is greater than 3 but less than 8. Also the number is greater than 6 but less than 10. What is the number?7
33. 34. In the following series a wrong number is given. Find out that number. 4, 5, 10, 18, 34, 59, 9510
34. 35. A clock reads 4:30. If the minute hand points East, in what direction will the hour hand point?North East
35. 36. The sum of squares of two numbers is 80 and the square of difference between the two numbers is 36. Find the product of two numbers.22
36. 37. The value of 1.07 × 65 + 1.07 × 26 + 1.07 × 9 is…107
37. 38. The square root of 0.0081 is …0.09
38. 39. What is the sum of 5x3 – 3x2 - 1 and 3x2 + 1? 5x3
39. 40. The cube root of 1331 is …11

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=1._The_average_of_first_50_natural_numbers_is_…

Question 1 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=2._A_fraction_which_has_the_same_ratio_to_1/27_as_3/11_has_to_5/9_is_equal_to_…

Question 2 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=3._The_number_of_3-digit_numbers_divisible_by_6,_is_…

Question 3 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=4._What_is_1004_divided_by_2?

Question 4 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=5._A_clock_strikes_once_at_1_o’clock,_twice_at_2_o’clock,_three_times_at_3_o’clock_and_so_on.._How_many_times_will_it_strike_in_24_hours?

Question 5 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=6._125_litres_of_a_mixture_contains_20%_water._What_amount_of_additional_water_should_be_added_so_that_water_content_be_raised_to_25%?

Question 6 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=7._106_×_106_–_94_×_94_=_?

Question 7 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=8._Which_of_the_following_numbers_gives_240_when_added_to_its_own_square?

Question 8 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=9._83_×_82_×_8-5_is_…

Question 9 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=10._The_simplest_form_of_1.5_:_2.5_is_…

Question 10 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=11._19_+_……._=_42

Question 11 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=12._What_is_the_symbol_of_pi?

Question 12 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=13._Arrange_the_numbers_in_ascending_order:_36,_12,_29,_21,_7.

Question 13 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=14._What_is_the_greatest_two_digit_number?

Question 14 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=15._How_much_is_90_–_19?

Question 15 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=16._Find_the_value_of_x;_if_x_=_(2_×_3)_+_11.

Question 16 (of 39)

 


Maths Week QR Quiz: QR Challenge

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

Question 17 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=18._What_is_1000_×_1_equal_to?

Question 18 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=19._20_is_divisible_by_how_many_whole_numbers?

Question 19 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=20._How_many_sides_are_there_in_a_nonagon?

Question 20 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=21._How_many_months_have_30_days.

Question 21 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=22._Which_number_occurred_before_9019?

Question 22 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=23._In_words_number_14_can_be_written_as_…….

Question 23 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=24._What_kind_of_number_is_37…Prime,_Odd_ot_Both?

Question 24 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=25._13_–_13_×_111_–_111_=_……..

Question 25 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=26._6_–_(5_–_3)_+_10_=_……

Question 26 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=27._The_least_number_of_five_digits_which_is_completely_divisible_by_39,_is_…

Question 27 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=28._If_‘+’_means_‘×’,_‘-‘_means_‘+’,_‘×’_means_‘÷’_and_‘÷’_means_‘-‘_then_find_the_value_of;_6_–_9_+_29._8_×_3_÷_20_=_…

Question 28 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=30._What_is_121_times_11?

Question 29 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=31._A_car_covers_a_distance_of_200km_in_2_hours_40_minutes,_whereas_a_jeep_covers_the_same_distance_in_2_hours._What_is_the_ratio_of_their_speed?

Question 30 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=32._10001_–_101_=_?

Question 31 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=33._A_number_is_greater_than_3_but_less_than_8._Also_the_number_is_greater_than_6_but_less_than_10._What_is_the_number?

Question 32 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=34._In_the_following_series_a_wrong_number_is_given._Find_out_that_number._4,_5,_10,_18,_34,_59,_95

Question 33 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=35._A_clock_reads_4:30._If_the_minute_hand_points_East,_in_what_direction_will_the_hour_hand_point?

Question 34 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=36._The_sum_of_squares_of_two_numbers_is_80_and_the_square_of_difference_between_the_two_numbers_is_36._Find_the_product_of_two_numbers.

Question 35 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=37._The_value_of_1.07_×_65_+_1.07_×_26_+_1.07_×_9_is…

Question 36 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=38._The_square_root_of_0.0081_is_…

Question 37 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=39._What_is_the_sum_of_5x3_–_3x2_-_1_and_3x2_+_1?

Question 38 (of 39)

 


Maths Week QR Quiz: QR Challenge

https://www.classtools.net/QR/decode.php?text=40._The_cube_root_of_1331_is_…

Question 39 (of 39)