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QR Challenge: Word Problems QR

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. A tub being filled with water can be represented by the equation g = 5m where g is the number of gallons and m is the number of minutes. How many gallons are in the tub after 7 minutes?
2. Marc is doing the dishesin the sink. His sink is 31.5 gallons, and is filling with water at a rate of 3.5 gallons per minute. After how many minutes will the sink be completely filled?
3. Mr. Taylor assigns 4 detentions per day. How many days will it take him to assign 212 detentions?
4. A bicycle can be rented for $5 per hour with a signup fee of $20. What numbe represents the rate of change?
5. The cost of renting a jet-ski at a lake is represented by the equation y=25x + 100 where y is the cost and x is the number of hours the jet ski is rented. How much does the jet ski cost to rent for 5 hours?
6. Would the rate of change in the following scenario be positive or negative: A hiker is moving his way down a 30,000 foot mountain at a rate of 2000 feet per hour.
7. Which number represents the starting value in the scenario: On Black Friday, a cell phone plan costs $88 per month with an initial sign up fee of $220.
8. In his comeback, Mark Sanchez averages 3.2 touchdowns per game. After how many games will he throw more than 23 touchdowns?
9. A car repair shop charges 79$ for a new muffler plus $40 per hour of labor. If Karen's total cost was $159, find the number of labor hours.
10. Challenge Question: Verizon wireless has a phone plan that charges a flat fee of $50 and $4 per minute of calling. Sprint has a plan that charges a $20 flat fee and $10 per minute of calling. After how many minutes will the cost of the plans be the same?

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_tub_being_filled_with_water_can_be_represented_by_the_equation_g_=_5m_where_g_is_the_number_of_gallons_and_m_is_the_number_of_minutes._How_many_gallons_are_in_the_tub_after_7_minutes?

Question 1 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=Marc_is_doing_the_dishesin_the_sink._His_sink_is_31.5_gallons,_and_is_filling_with_water_at_a_rate_of_3.5_gallons_per_minute._After_how_many_minutes_will_the_sink_be_completely_filled?

Question 2 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=Mr._Taylor_assigns_4_detentions_per_day._How_many_days_will_it_take_him_to_assign_212_detentions?

Question 3 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_bicycle_can_be_rented_for_$5_per_hour_with_a_signup_fee_of_$20._What_numbe_represents_the_rate_of_change?

Question 4 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_cost_of_renting_a_jet-ski_at_a_lake_is_represented_by_the_equation_y=25x_+_100_where_y_is_the_cost_and_x_is_the_number_of_hours_the_jet_ski_is_rented._How_much_does_the_jet_ski_cost_to_rent_for_5_hours?

Question 5 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=Would_the_rate_of_change_in_the_following_scenario_be_positive_or_negative:_A_hiker_is_moving_his_way_down_a_30,000_foot_mountain_at_a_rate_of_2000_feet_per_hour.

Question 6 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_number_represents_the_starting_value_in_the_scenario:_On_Black_Friday,_a_cell_phone_plan_costs_$88_per_month_with_an_initial_sign_up_fee_of_$220.

Question 7 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_his_comeback,_Mark_Sanchez_averages_3.2_touchdowns_per_game._After_how_many_games_will_he_throw_more_than_23_touchdowns?

Question 8 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_car_repair_shop_charges_79$_for_a_new_muffler_plus_$40_per_hour_of_labor._If_Karen's_total_cost_was_$159,_find_the_number_of_labor_hours.

Question 9 (of 10)

 


Word Problems QR: QR Challenge

https://www.classtools.net/QR/decode.php?text=Challenge_Question:_Verizon_wireless_has_a_phone_plan_that_charges_a_flat_fee_of_$50_and_$4_per_minute_of_calling._Sprint_has_a_plan_that_charges_a_$20_flat_fee_and_$10_per_minute_of_calling._After_how_many_minutes_will_the_cost_of_the_plans_be_the_same?

Question 10 (of 10)