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QR Challenge: Equivalent expressions

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. 5x+4x+7x18x
2. 8(7y)+ 5y61y
3. Gerald had 9(10y) cookie.Then he lost 5(7y)cookies.How much does he have left?55y
4. Harry had 12x puppy's. Then he got 14x more puppies. Then 13x ran away. How much puppy's are left?13x
5. Liston bought 17y groceries.Then after a month he bought 6(7y) more.How many groceries does he have now?59y
6. 21x+3x+12x36x.
7. 3x + 17x -19x1x
8. 42y - 23y19y
9. 24x-14x+23x33x
10. 19x-8x-7x4x
11. 213y-24y-54y35y.
12. Tyler has 75y of stuffed animals today,he loses 34y.How much does he have now41y
13. 8(9y)72y
14. 13(4y)42y
15. 7(12x)84x
16. 8(4x)32x
17. Jane had 5x toy cars she got 7x more.How many toy cars does she have?35x toy cars
18. 2x(12x)24x
19. 8 divided by = 11x=88
20. Find the missing number to make this expression true 7/x=321=x
21. 3 divided by x= 12x=36
22. 4 divided by x= 9x=36
23. Jim got 42 gloves. He put them into each group by color. If there are 7x groups. How many gloves are in each group?6x
24. Try to make a division equation with the numbers 45,9, and x.9 divided by 45=x
25. Try to make a multiplication equation with 12,5,y12(5y)=60
26. Try to make an addition equation with 13x,4x,3x13x+4x+3x=20x
27. Try to make an subtracting equation with 30x,9x,5x=30x-9x-5x=16x
28. 2x+5x+7x14x
29. 2x(12x)24x
30. 24 divided by x =6 x=4

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=5x+4x+7x

Question 1 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=8(7y)+_5y

Question 2 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Gerald_had_9(10y)_cookie.Then_he_lost_5(7y)cookies.How_much_does_he_have_left?

Question 3 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Harry_had_12x__puppy's._Then_he_got_14x_more_puppies._Then_13x_ran_away._How_much_puppy's_are_left?

Question 4 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Liston_bought_17y_groceries.Then_after_a_month_he_bought_6(7y)_more.How_many_groceries_does_he_have_now?

Question 5 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=21x+3x+12x

Question 6 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=3x_+_17x_-19x

Question 7 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=42y_-_23y

Question 8 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=24x-14x+23x

Question 9 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=19x-8x-7x

Question 10 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=213y-24y-54y

Question 11 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Tyler_has_75y_of_stuffed_animals_today,he_loses_34y.How_much_does_he_have_now

Question 12 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=8(9y)

Question 13 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=13(4y)

Question 14 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=7(12x)

Question 15 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=8(4x)

Question 16 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Jane_had_5x_toy_cars_she_got_7x_more.How_many_toy_cars_does_she_have?

Question 17 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=2x(12x)

Question 18 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=8_divided_by_=_11

Question 19 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_missing_number_to_make_this_expression_true_7/x=3

Question 20 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=3_divided_by_x=_12

Question 21 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=4_divided_by_x=_9

Question 22 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Jim_got_42_gloves._He_put_them_into_each_group_by_color._If_there_are_7x_groups._How_many_gloves_are_in_each_group?

Question 23 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Try_to_make_a_division_equation_with_the_numbers_45,9,_and_x.

Question 24 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Try_to_make_a_multiplication_equation_with_12,5,y

Question 25 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Try_to__make_an_addition_equation_with_13x,4x,3x

Question 26 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=Try_to_make_an_subtracting_equation_with_30x,9x,5x

Question 27 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=2x+5x+7x

Question 28 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=2x(12x)

Question 29 (of 30)

 


Equivalent expressions : QR Challenge

https://www.classtools.net/QR/decode.php?text=24_divided_by_x_=6

Question 30 (of 30)