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QR Challenge: Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve

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. Teresa has 45 blocks. Then she finds 29 more under the couch. How many blocks does Teresa have now?Make a Math Mountain for this word problem on your whiteboard. Leave an empty box for the number you need to solve for (The unknown Partner) Remember the larger number is always on top of the Math Mountain and the two partners are on the bottom holding up the mountain.Check your math reasoning with Ms. Anandjjj
2.
3. Write two equations an Addition and a Subtraction Equation with an empty box for the number that is unknown (The number you are going to solve for to answer the word problem)jjj
4.
5. Check your math reasoning with Ms. Anandjjj
6.
7. Solve the word Problem using your mathematical reasoning with the Add a New Group Above Method: Teresa has 45 blocks. Then she finds 29 more under the couch. How many blocks does Teresa have now?jjj
8.
9. 74 Blocksjjj
10.
11. Krina's class makes 163 masks. They hang 96 of the masks in the library. How many of the masks are left? Make a Math Mountain for this word problem on your whiteboard. Leave an empty box for the number you need to solve for (The unknown Partner). Check your math reasoning with Ms. Anandjjj
12.
13. Write two equations an Addition and a Subtraction Equation with an empty box for the number that is unknown (The number you are going to solve for to answer the word problem) Check your math reasoning with Ms. Anandjjj
14.
15. Solve the word Problem using your mathematical reasoning with the Ungroup First Method: Krina's class makes 163 masks. The hang 96 of the masks in the library. How many of the masks are left?jjj
16.
17. 67 Masksjjj
18.
19. The school store has 90 glue sticks. Then 52 glue sticks are sold. How many glue sticks are left? Make a Math Mountain for this word problem on your whiteboard. Leave an empty box for the number you need to solve for (The unknown Partner) Remember the larger number is always on top of the Math Mountain and the two partners are on the bottom holding up the mountain. Check your math reasoning with Ms. Anandjjj
20.
21. Write two equations an Addition and a Subtraction Equation with an empty box for the number that is unknown (The number you are going to solve for to answer the word problem) Check your math reasoning with Ms. Anandjjj
22.
23. Solve the word Problem using your mathematical reasoning with the Expanded Form Method: The school store has 90 glue sticks. Then 52 glue sticks are sold. How many glue sticks are left?jjj
24.
25. 38 Glue Sticksjjj
26.
27. Mrs. Snap has 42 pencils. She gives 29 pencils to her students and puts the rest in a box. How many pencils did she put in the box? Make a Math Mountain for this word problem on your whiteboard. Leave an empty box for the number you need to solve for (The unknown Partner) Remember the larger number is always on top of the Math Mountain and the two partners are on the bottom holding up the mountain. Check your math reasoning with Ms. Anandjjj
28.
29. Write two equations an Addition and a Subtraction Equation with an empty box for the number that is unknown (The number you are going to solve for to answer the word problem) Check your math reasoning with Ms. Anandjjj
30.
31. Solve the word Problem using your mathematical reasoning with the Proof Drawing Method: Mrs. Snap has 42 pencils. She gives 29 pencils to her students and puts the rest in a box. How many pencils did she put in the box?jjj
32.
33. 13 Pencilsjjj

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Teresa_has_45_blocks._Then_she_finds_29_more_under_the_couch._How_many_blocks_does_Teresa_have_now?Make_a_Math_Mountain_for_this_word_problem_on_your_whiteboard._Leave_an_empty_box_for_the_number_you_need_to_solve_for_(The_unknown_Partner)_Remember_the_larger_number_is_always_on_top_of_the_Math_Mountain_and_the_two_partners_are_on_the_bottom_holding_up_the_mountain.Check_your_math_reasoning_with_Ms._Anand

Question 1 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 2 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_two_equations_an_Addition_and_a_Subtraction_Equation_with_an_empty_box_for_the_number_that_is_unknown_(The_number_you_are_going_to_solve_for_to_answer_the_word_problem)

Question 3 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 4 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Check_your_math_reasoning_with_Ms._Anand

Question 5 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 6 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_the_word_Problem_using_your_mathematical_reasoning_with_the_Add_a_New_Group_Above_Method:_Teresa_has_45_blocks._Then_she_finds_29_more_under_the_couch._How_many_blocks_does_Teresa_have_now?

Question 7 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 8 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=74_Blocks

Question 9 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 10 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Krina's_class_makes_163_masks._They_hang_96_of_the_masks_in_the_library._How_many_of_the_masks_are_left?_Make_a_Math_Mountain_for_this_word_problem_on_your_whiteboard._Leave_an_empty_box_for_the_number_you_need_to_solve_for_(The_unknown_Partner)._Check_your_math_reasoning_with_Ms._Anand

Question 11 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 12 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_two_equations_an_Addition_and_a_Subtraction_Equation_with_an_empty_box_for_the_number_that_is_unknown_(The_number_you_are_going_to_solve_for_to_answer_the_word_problem)_Check_your_math_reasoning_with_Ms._Anand

Question 13 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 14 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_the_word_Problem_using_your_mathematical_reasoning_with_the_Ungroup_First_Method:_Krina's_class_makes_163_masks._The_hang_96_of_the_masks_in_the_library._How_many_of_the_masks_are_left?

Question 15 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 16 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=67_Masks

Question 17 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 18 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_school_store_has_90_glue_sticks._Then_52_glue_sticks_are_sold._How_many_glue_sticks_are_left?_Make_a_Math_Mountain_for_this_word_problem_on_your_whiteboard._Leave_an_empty_box_for_the_number_you_need_to_solve_for_(The_unknown_Partner)_Remember_the_larger_number_is_always_on_top_of_the_Math_Mountain_and_the_two_partners_are_on_the_bottom_holding_up_the_mountain._Check_your_math_reasoning_with_Ms._Anand

Question 19 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 20 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_two_equations_an_Addition_and_a_Subtraction_Equation_with_an_empty_box_for_the_number_that_is_unknown_(The_number_you_are_going_to_solve_for_to_answer_the_word_problem)_Check_your_math_reasoning_with_Ms._Anand

Question 21 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 22 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_the_word_Problem_using_your_mathematical_reasoning_with_the_Expanded_Form_Method:_The_school_store_has_90_glue_sticks._Then_52_glue_sticks_are_sold._How_many_glue_sticks_are_left?

Question 23 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 24 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=38_Glue_Sticks

Question 25 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 26 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Mrs._Snap_has_42_pencils._She_gives_29_pencils_to_her_students_and_puts_the_rest_in_a_box._How_many_pencils_did_she_put_in_the_box?_Make_a_Math_Mountain_for_this_word_problem_on_your_whiteboard._Leave_an_empty_box_for_the_number_you_need_to_solve_for_(The_unknown_Partner)_Remember_the_larger_number_is_always_on_top_of_the_Math_Mountain_and_the_two_partners_are_on_the_bottom_holding_up_the_mountain._Check_your_math_reasoning_with_Ms._Anand

Question 27 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 28 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_two_equations_an_Addition_and_a_Subtraction_Equation_with_an_empty_box_for_the_number_that_is_unknown_(The_number_you_are_going_to_solve_for_to_answer_the_word_problem)_Check_your_math_reasoning_with_Ms._Anand

Question 29 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 30 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_the_word_Problem_using_your_mathematical_reasoning_with_the_Proof_Drawing_Method:_Mrs._Snap_has_42_pencils._She_gives_29_pencils_to_her_students_and_puts_the_rest_in_a_box._How_many_pencils_did_she_put_in_the_box?

Question 31 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

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

Question 32 (of 33)

 


Addition and Subtraction Word Problems with Math Mountains, Ungroup First, Add a New Group Above, Expanded Form, and Proof Drawing Methods to Solve: QR Challenge

https://www.classtools.net/QR/decode.php?text=13_Pencils

Question 33 (of 33)