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QR Challenge: Grade 2 Word Problems

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. Anne decided to throw herself a birthday party. There were 12 people that were invited to the party. However, only 5 people ended showing up. How many people were absent from the party?7
2. Sarah found 5 cans of pop in her mother’s refrigerator. Lily had found 9 cans of pop in her father’s refrigerator. If the two girls were to put all of their pop together, how many cans would there be?14
3. Dexter the cat loved tuna. He had 10 cans of tuna in his cupboard. If he ate 4 cans when he woke up in the morning, how many cans would he have left to enjoy?6
4. George went to the store and bought 8 t - shirts. He went to another store and bought 15 t-shirts, and 4 hats. When his shopping day was over with, how many items did George have in his bag?27
5. Holly went to the pool with her family. She saw that there were 7 life guards that were on duty. Later in the day she noticed that there were 17 life guards on duty. How many life guards were added during the day?10
6. Hannah cut up a cucumber into 19 separate pieces for her salad. Next Hannah cut up a carrot into 15 separate pieces. When she combines her salad, how many pieces of cucumber and carrot will there be?34
7. Timmy had 8 green marbles. He gave 6 marbles to his friend Mateo. How many marbles does Timmy have left?2
8. Jessie bought 2 stickers. Her father gave her some stickers. Now Jessie has 6 stickers in all. How many stickers did her father give her?4
9. Uncle Jethro collects hats. He has 9 hats. He gave 7 to his nephew. How many hats does Uncle Jethro have left?2
10. Kathy saw 3 blue cars, 8 green cars, and 3 red cars when she was on her way to school. At school the teacher asked how many cars she saw total. What did Kathy respond?14
11. Katie went to the flower shop and purchased 10 red flowers. When she got home her mother only counted 7 red flowers. How many flowers did Katie lose on the way home from the shop?3
12. At the circus Kelly saw that there were 10 hula hoops. Later on in the day she saw that the act had 15 hula hoops. How many hula hoops were added throughout the show?5
13. On Wednesday you saw 12 robins on one tree and 7 on another tree. How many robins did you see altogether?19
14. You picked 8 flowers and your friend picked 17 flowers. How many more flowers did your friend pick?9
15. You have 17 birthday gifts! 9 came from your family, the rest came from your friends. How many gifts did your friends give you?8
16. Your 8 friends all have 2 wheeled bicycles, how many wheels is that altogether?16
17. Jared has to walk a total of 4 blocks to get to school. He already had walked 2 blocks. How many more blocks does Jared need to walk before he arrives in his classroom?2
18. There are 15 kids at the party. 7 ate cake. The rest ate ice cream. How many kids ate ice cream?8
19. Pam has 6 cats. 3 of them are yellow. The rest of them are brown. How many cats are brown?3
20. Laci and Kendra caught 17 fireflies altogether. Laci caught 8 fireflies. How many fireflies did Kendra catch?9
21. There were 3 children on a bus. 4 more children got on the bus at the next stop. 7 more children got on the bus at the last stop. How many children were on the bus altogether?14

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Anne_decided_to_throw_herself_a_birthday_party._There_were_12_people_that_were_invited_to_the_party._However,_only_5_people_ended_showing_up._How_many_people_were_absent_from_the_party?

Question 1 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Sarah_found_5_cans_of_pop_in_her_mother’s_refrigerator._Lily_had_found_9_cans_of_pop_in_her_father’s_refrigerator._If_the_two_girls_were_to_put_all_of_their_pop_together,_how_many_cans_would_there_be?

Question 2 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Dexter_the_cat_loved_tuna._He_had_10_cans_of_tuna_in_his_cupboard._If_he_ate_4_cans_when_he_woke_up_in_the_morning,_how_many_cans_would_he_have_left_to_enjoy?

Question 3 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=George_went_to_the_store_and_bought_8_t_-_shirts._He_went_to_another_store_and_bought_15_t-shirts,_and_4_hats._When_his_shopping_day_was_over_with,_how_many_items_did_George_have_in_his_bag?

Question 4 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Holly_went_to_the_pool_with_her_family._She_saw_that_there_were_7_life_guards_that_were_on_duty._Later_in_the_day_she_noticed_that_there_were_17_life_guards_on_duty._How_many_life_guards_were_added_during_the_day?

Question 5 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Hannah_cut_up_a_cucumber_into_19_separate_pieces_for_her_salad._Next_Hannah_cut_up_a_carrot_into_15_separate_pieces._When_she_combines_her_salad,_how_many_pieces_of_cucumber_and_carrot_will_there_be?

Question 6 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Timmy_had_8_green_marbles.__He_gave_6_marbles_to_his_friend_Mateo.__How_many_marbles_does_Timmy_have_left?

Question 7 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Jessie_bought_2_stickers.__Her_father_gave_her_some_stickers.__Now_Jessie_has_6_stickers_in_all.__How_many_stickers_did_her_father_give_her?

Question 8 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Uncle_Jethro_collects_hats.__He_has_9_hats.__He_gave_7_to_his_nephew.__How_many_hats_does_Uncle_Jethro_have_left?

Question 9 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Kathy_saw_3_blue_cars,_8_green_cars,_and_3_red_cars_when_she_was_on_her_way_to_school._At_school_the_teacher_asked_how_many_cars_she_saw_total._What_did_Kathy_respond?

Question 10 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Katie_went_to_the_flower_shop_and_purchased_10_red_flowers._When_she_got_home_her_mother_only_counted_7_red_flowers._How_many_flowers_did_Katie_lose_on_the_way_home_from_the_shop?

Question 11 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=At_the_circus_Kelly_saw_that_there_were_10_hula_hoops._Later_on_in_the_day_she_saw_that_the_act_had_15_hula_hoops._How_many_hula_hoops_were_added_throughout_the_show?

Question 12 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=On_Wednesday_you_saw_12_robins_on_one_tree_and_7_on_another_tree._How_many_robins_did_you_see_altogether?

Question 13 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_picked_8_flowers_and_your_friend_picked_17_flowers._How_many_more_flowers_did_your_friend_pick?

Question 14 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_have_17_birthday_gifts!_9_came_from_your_family,_the_rest_came_from_your_friends._How_many_gifts_did_your_friends_give_you?

Question 15 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Your_8_friends_all_have_2_wheeled_bicycles,_how_many_wheels_is_that_altogether?

Question 16 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Jared_has_to_walk_a_total_of_4_blocks_to_get_to_school._He_already_had_walked_2_blocks._How_many_more_blocks_does_Jared_need_to_walk_before_he_arrives_in_his_classroom?

Question 17 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=There_are_15_kids_at_the_party.__7_ate_cake.__The_rest_ate_ice_cream.__How_many_kids_ate_ice_cream?

Question 18 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Pam_has_6_cats._3_of_them_are_yellow.__The_rest_of_them_are_brown.__How_many_cats_are_brown?

Question 19 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Laci_and_Kendra_caught_17_fireflies_altogether.__Laci_caught_8_fireflies._How_many_fireflies_did_Kendra_catch?

Question 20 (of 21)

 


Grade 2 Word Problems: QR Challenge

https://www.classtools.net/QR/decode.php?text=There_were_3_children_on_a_bus.__4_more_children_got_on_the_bus_at_the_next_stop._7_more_children_got_on_the_bus_at_the_last_stop.__How_many_children_were_on_the_bus_altogether?

Question 21 (of 21)