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QR Challenge: Multiply or Divide

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. There are 165 children taking swim lessons this summer at the pool. If 10 children will be assign to an instructor, how many instructors need to be hired?17
2. A sporting good factory puts out 98 playground balls in each shipment. Each ball costs $2. What is the total cost of playground balls in three shipments?588
3. Lori spent $36 to buy a new collar for each of her dogs. If each collar was $6, how many dogs does Lori have?6
4. A farmer needs to ship 71 pumpkins to a grocery store. If each crate holds 19 pumpkins, how many crates does the farmer need?4
5. Horace bought 2 burgers, 1 medium fry, and three drinks at the restaurant. How much money did Horace receive back from his $20 bill he gave the cashier? Burger $3.10 Fry (S/M/L $1.00/$1.50/$1.75 Drink $1.258.55

 


Multiply or Divide: QR Challenge

https://www.classtools.net/QR/decode.php?text=There_are_165_children_taking_swim_lessons_this_summer_at_the_pool._If_10_children_will_be_assign_to_an_instructor,_how_many_instructors_need_to_be_hired?

Question 1 (of 5)

 


Multiply or Divide: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_sporting_good_factory_puts_out_98_playground_balls_in_each_shipment._Each_ball_costs_$2._What_is_the_total_cost_of_playground_balls_in_three_shipments?

Question 2 (of 5)

 


Multiply or Divide: QR Challenge

https://www.classtools.net/QR/decode.php?text=Lori_spent_$36_to_buy_a_new_collar_for_each_of_her_dogs._If_each_collar_was_$6,_how_many_dogs_does_Lori_have?

Question 3 (of 5)

 


Multiply or Divide: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_farmer_needs_to_ship_71_pumpkins_to_a_grocery_store._If_each_crate_holds_19_pumpkins,_how_many_crates_does_the_farmer_need?

Question 4 (of 5)

 


Multiply or Divide: QR Challenge

https://www.classtools.net/QR/decode.php?text=Horace_bought_2_burgers,_1_medium_fry,_and_three_drinks_at_the_restaurant._How_much_money_did_Horace_receive_back_from_his_$20_bill_he_gave_the_cashier?_Burger_$3.10_Fry_(S/M/L_$1.00/$1.50/$1.75_Drink_$1.25

Question 5 (of 5)