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QR Challenge: Subtraction treasure hunt L1

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. What is 20, 065 – 10,945? Costa C _ _ _ _ 9120
2. What is the difference between 5298 and 5066? What is the difference between 8995 – 8488? Tutorial _ _ _ or _ _ _ 232 507
3. You meet friends in town and decide to look around the shops and then go for a game of pool. You have £60 with you. Your bus fare home will cost £1.56 and you will need £3.50 for a few games of pool and a drink. What do you have left to spend in the shops? Ping pong p_ n _ p _n_ _ 5494
4. Deeanna is making a pirate costume for her son. She buys 3.5 metres of material but only uses 2.98 metres for the costume. How many cm of material is left? IT _ _ 52
5. A factory employs 3 part time staff and 1 full time staff. The Full time staff are paid £16, 000 per year. The total wage bill for all the 3 part time staff is £46, 194. How much less does a part time staff earn than a full time staff member? Kate _ _ _ e 602
6. A coat costs £20.08 but you discovered it is now half price. How much change will you get from £20? Books b_ _ _ s 996
7. Orange juice (49p), Crisps (33p), a cereal bar (30p) and a cheese sandwich (£1.56). How much change will he get from £5? Debut _ e b _ _ 232
8. Sal has bought the following items for her room. The total cost was £86.82. A light (£19.99), 2 candles (£3.84 for both) and a desk costing £62.99. She decides to take back one of the candles. How much refund will Sal get? Sport _ p _ r _ 192
9. You are asked to put up a display in a shop. The display takes up 150cm of space. The space for the display is 253cm. How much space will be left over? Café _ _ _e 103
10. The temperature in Spain is 26.5 ⁰C. The temperature in Russia is 1.4 ⁰C. What is the difference in temperature between Spain and Russia? Advice A _ v _ _e 251

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_20,_065_–_10,945?

Question 1 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_5298_and_5066?_What_is_the_difference_between_8995_–_8488?

Question 2 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_meet_friends_in_town_and_decide_to_look_around_the_shops_and_then_go_for_a_game_of_pool._You_have_£60_with_you._Your_bus_fare_home_will_cost_£1.56_and_you_will_need_£3.50_for_a_few_games_of_pool_and_a_drink._What_do_you_have_left_to_spend_in_the_shops?

Question 3 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Deeanna_is_making_a_pirate_costume_for_her_son._She_buys_3.5_metres_of_material_but_only_uses_2.98_metres_for_the_costume._How_many_cm_of_material_is_left?

Question 4 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_factory_employs_3_part_time_staff_and_1_full_time_staff._The_Full_time_staff_are_paid_£16,_000_per_year._The_total_wage_bill_for_all_the_3_part_time_staff_is_£46,_194._How_much_less_does_a_part_time_staff_earn_than_a_full_time_staff_member?

Question 5 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_coat_costs_£20.08_but_you_discovered_it_is_now_half_price._How_much_change_will_you_get_from_£20?

Question 6 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Orange_juice_(49p),_Crisps_(33p),_a_cereal_bar_(30p)_and_a_cheese_sandwich_(£1.56)._How_much_change_will_he_get_from_£5?

Question 7 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Sal_has_bought_the_following_items_for_her_room._The_total_cost_was_£86.82._A_light_(£19.99),_2_candles_(£3.84_for_both)_and_a_desk_costing_£62.99._She_decides_to_take_back_one_of_the_candles._How_much_refund_will_Sal_get?

Question 8 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_are_asked_to_put_up_a_display_in_a_shop._The_display_takes_up_150cm_of_space._The_space_for_the_display_is_253cm._How_much_space_will_be_left_over?

Question 9 (of 10)

 


Subtraction treasure hunt L1: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_temperature_in_Spain_is_26.5_⁰C._The_temperature_in_Russia_is_1.4_⁰C._What_is_the_difference_in_temperature_between_Spain_and_Russia?

Question 10 (of 10)