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QR Challenge: Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck

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. (C)I have a triangle that has three angles which are all square numbers. What are the angles?100-64-16
2. (N)After you unload all your coins onto the kitchen table, you discover something surprising. You have exactly the same number of pennies, 10p, 20p, and 5p, totaling 6 pounds and 12 pence. How many of each coin do you have?17
3. (C)If 8 crows can steal 8 buttons in 8 minutes, how many buttons can 16 crows steal in 16 minutes?32
4. (P)The ages of a father and son add up to 66.The father\\\\\\\'s age is the son\\\\\\\'s age reversed.How old could they be?42and24
5. (V)1011 in binary is what in base ten?11
6. (W)Can you replace the question marks with maths symbols ( + - / x) and make the equation correct:(9 ? 1) ? (7 ? 6) ? (8 ? 4) = 3(9 - 1)-(7 - 6)-(8 - 4)=3
7. (T)What was the name of the German encryption machine used in World War 2 that the English thought was a ‘riddle’?ENIGMA
8. (K)Cryptography is an ancient Greek Word meaning what?HIDDEN WORDS
9. (P)The British made the first computer to break German codes. It was huge. What was it called?COLOSSUS
10. (I)The British intercepted a famous telegram that caused the USA to declare war on Germany in 1917. What was the telegram’s name?ZIMMERMANN
11. (Y)During the American War of Independence who was the leader of the American army who used spies to crack the British codes?GEORGE WASHINGTON
12. (C)Which famous Roman General and Emperor invented his own type of code that still has his name today?JULIUS CAESAR
13. (U)Substitution Ciphers (code keys) were broken by which famous Arab Mathematician?AL KINDI
14. (C)Mary Queen of Scots’ letters were intercepted and de coded in which famous plot?BABINGTON PLOT
15. (I)What was the ‘coloured’ Japanese code from World War II?PURPLE
16. (G)What was the name of the seafaring (5x8) British department responsible for breaking German codes in World War One?ADMIRALTY ROOM 40
17. (P)A lamp and a bulb cost 32 pounds. The lamp is 30 pounds more than the bulb. How much is the lamp?31
18. (K)What number does the Roman numeral MMLXIV represent?2064
19. (W)How many sides does a hexaheptacontagon have?76
20. (U)What is the product of a bakers dozen and the difference between a gross and a 4 scores?832

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(C)I_have_a_triangle_that_has_three_angles_which_are_all_square_numbers._What_are_the_angles?

Question 1 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(N)After_you_unload_all_your_coins_onto_the_kitchen_table,_you_discover_something_surprising._You_have_exactly_the_same_number_of_pennies,_10p,_20p,_and_5p,_totaling_6_pounds_and_12_pence._How_many_of_each_coin_do_you_have?

Question 2 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(C)If_8_crows_can_steal_8_buttons_in_8_minutes,_how_many_buttons_can_16_crows_steal_in_16_minutes?

Question 3 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(P)The_ages_of_a_father_and_son_add_up_to_66.The_father\\\\\\\'s_age_is_the_son\\\\\\\'s_age_reversed.How_old_could_they_be?

Question 4 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(V)1011_in_binary_is_what_in_base_ten?

Question 5 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(W)Can_you_replace_the_question_marks_with_maths_symbols_(_+_-_/_x)_and_make_the_equation_correct:(9_?_1)_?_(7_?_6)_?_(8_?_4)_=_3

Question 6 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(T)What_was_the_name_of_the_German_encryption_machine_used_in_World_War_2_that_the_English_thought_was_a__‘riddle’?

Question 7 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(K)Cryptography_is_an_ancient_Greek_Word_meaning_what?

Question 8 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(P)The_British_made_the_first_computer_to_break_German_codes._It_was_huge._What_was_it_called?

Question 9 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(I)The_British_intercepted_a_famous_telegram_that_caused_the_USA_to_declare_war_on_Germany_in_1917._What_was_the_telegram’s_name?

Question 10 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(Y)During_the_American_War_of_Independence_who_was_the_leader_of_the_American_army_who_used_spies_to_crack_the_British_codes?

Question 11 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(C)Which_famous_Roman_General_and_Emperor_invented_his_own_type_of_code_that_still_has_his_name_today?

Question 12 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(U)Substitution_Ciphers_(code_keys)_were_broken_by_which_famous_Arab_Mathematician?

Question 13 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(C)Mary_Queen_of_Scots’_letters_were_intercepted_and_de_coded_in_which_famous_plot?

Question 14 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(I)What_was_the_‘coloured’_Japanese_code_from_World_War_II?

Question 15 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(G)What_was_the_name_of_the_seafaring_(5x8)_British_department_responsible_for_breaking_German_codes_in_World_War_One?

Question 16 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(P)A_lamp_and_a_bulb_cost_32_pounds._The_lamp_is_30_pounds_more_than_the_bulb._How_much_is_the_lamp?

Question 17 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(K)What_number_does_the_Roman_numeral_MMLXIV_represent?

Question 18 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(W)How_many_sides_does_a_hexaheptacontagon_have?

Question 19 (of 20)

 


Maths and History Week. Each correct question will get you a house point but the winner will be the first student to crack the code. Each Question has a letter in brackets. Follow these in order and crack the code to win the competition. Good Luck: QR Challenge

https://www.classtools.net/QR/decode.php?text=(U)What_is_the_product_of_a_bakers_dozen_and_the_difference_between_a_gross_and_a_4_scores?

Question 20 (of 20)