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QR Challenge: Word Problems (Addition and Subtraction)

Created using the ClassTools QR Treasure Hunt Generator

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. Kaysean had 10 balls. Ashley took 3 of them. How many balls does Kaysean have left?7
2. Jocelin has 6 barbies. She gave 2 to Alyxia. How many does Jocelin have now?4
3. Darnell has 12 cars. Devin has 5 more cars than Darnell. How many cars does Devin have?17
4. Dominick has 8 books. Bernice gave him 3 more books. How many books does Dominick have now?11
5. Jazzmine had on 2 rings. Savannah gave her 3 more. How many rings does Jazzmine have now?5
6. Jerrion had some trucks. He gave 3 to Jeremiah. Now he has 5 trucks left. How many trucks did he have to start with?8
7. Paul has 12 crayons. Iyshonti has 7 crayons. How many more crayons does Paul have than Iyshonti?5
8. Nashari has 8 fish. She wants to buy 5 more fish. How many fish would Nashari have then?13
9. Ariana had 15 cookies. Nianda ate 7 of her cookies. How many does Ariana have left?8
10. Cyana has 14 marbles. Marante has 7 marbles. How many more marbles does Cyana have than Marante?7
11. There were some robins and 13 cardinals in the tree. There were 19 birds in the tree. How many robins were in the tree?6
12. Kolten had 5 dogs and Jakylan had 5 cats. How many animals do the boys have altogether?10
13. Rae Zhane has 8 fish. She buys 6 more fish. How many fish does she have?14
14. Ny’Asia had 12 pencils. She gave 6 to Brandon. How many pencils does Ny’Asia have left?6
15. Tristan and her friends had a pizza with 20 slices. Tristan ate 11 of the slices. How many are left for her friends?9

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Kaysean_had_10_balls.__Ashley_took_3_of_them.__How_many_balls_does_Kaysean_have_left?

Question 1 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Jocelin_has_6_barbies.__She_gave_2_to_Alyxia.__How_many_does_Jocelin_have_now?

Question 2 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Darnell_has_12_cars.__Devin_has_5_more_cars_than_Darnell.__How_many_cars_does_Devin_have?

Question 3 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Dominick_has_8_books.__Bernice_gave_him_3_more_books.__How_many_books_does_Dominick_have_now?

Question 4 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Jazzmine_had_on_2_rings.__Savannah_gave_her_3_more._How_many_rings_does_Jazzmine_have_now?

Question 5 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Jerrion_had_some_trucks.__He_gave_3_to_Jeremiah._Now_he_has_5_trucks_left._How_many_trucks_did_he_have_to_start_with?

Question 6 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Paul_has_12_crayons._Iyshonti_has_7_crayons.__How_many_more_crayons_does_Paul_have_than_Iyshonti?

Question 7 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Nashari_has_8_fish._She_wants_to_buy_5_more_fish.__How_many_fish_would_Nashari_have_then?

Question 8 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Ariana_had_15_cookies._Nianda_ate_7_of_her_cookies._How_many_does_Ariana_have_left?

Question 9 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Cyana_has_14_marbles._Marante_has_7_marbles._How_many_more_marbles_does_Cyana_have_than_Marante?

Question 10 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=There_were_some_robins_and_13_cardinals_in_the_tree._There_were_19_birds_in_the_tree._How_many_robins_were_in_the_tree?

Question 11 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Kolten_had_5_dogs_and_Jakylan_had_5_cats._How_many_animals_do_the_boys_have_altogether?

Question 12 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Rae_Zhane_has_8_fish.__She_buys_6_more_fish._How_many_fish_does_she_have?

Question 13 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Ny’Asia_had_12_pencils._She_gave_6_to_Brandon.__How_many_pencils_does_Ny’Asia_have_left?

Question 14 (of 15)

 



Word Problems (Addition and Subtraction): QR Challenge

https://www.classtools.net/QR/decode.php?text=Tristan_and_her_friends_had_a_pizza_with_20_slices._Tristan_ate_11_of_the_slices._How_many_are_left_for_her_friends?

Question 15 (of 15)