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QR Challenge: Math Review

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. If there are 10 birds for every 4 dogs, the ratio of birds to dogs is? A. 5/2 B. 2/5 C. 7/5 D. 5/7A
2. In algebra, a letter that represents a value is a? A. Constant B. Factor C. Term D. VariableD
3. The constant term in the expression 3x^2+5x-4 is? A. 3 B. -4 C. x D. 3x^2B
4. In the arithmetic sequence 3, 12,21,30…, the common difference is? A. -9 B. -3 C. 3 D. 9D
5. Which of the following is the correct way to write 1.56 as a percent? A. 0.0156% B. 1.56% C. 15.6% D. 156%D
6. If angle A=80, the complement of angle A is? A. 10 B. 80 C. 90 D. 100A
7. The approximate value of Pi is? A. 0.314 B. 3.14 C. 31.4 D. 314B
8. The polygon with 5 sides is a? A. Hexagon B. Pentagon. C. Square. D. Trapezoid.B
9. Which of the following is the algebraic translation of “9 more than twice x”? A. 9-x. B. 9+x. C. 2x-9. D. 2x+9D
10. In the problem 12.56 divided by 4.2, the decimal point should be moved ??? before dividing? A. 1 space to the right? B. 1 space to the left? C. 2 spaces to the right? D. 2 spaces to the left?A
11. The greatest common factor of 40 and 50 is? A. 2. B. 4. C. 8. D. 10.D
12. 20% of 120. A. 2.4. B. 24. C. 60. D. 600.B
13. 1 tbsp.=? tsp. A. 2. B. 3. C. 4. D. 8.B
14. 5 Score=? Yr. A. 2. B. 10. C. 20. D. 100.D
15. 2.45X3.1. A. 7.595. B. 75.95. C. 759.5. D. 7595.A
16. 20-2(5-3)^2÷2. A. 6. B. 7. C. 16. D. 18.C
17. 2/3÷8/9 A. ¾. B. 16/27. C. 1 1/3. D. 1 11/16.A
18. 5 1/7-2 ½ A. 2 5/14. B. 2 9/14. C. 3 5/14. D. 3 9/14.B
19. (12ft 4 in)-(4ft. 11 in.) A. 7ft. 3 in. B. 7 ft. 5 in. C. 8ft. 3 in. D. 8 ft. 5 in.B
20. (2 days 8 hr.)X4 A. 8 days 8 hr. B. 8 days 12 hr. C. 9 days 5 hr. D. 9 days 8 hr.D
21. 8-12 A. -20. B. -4. C. 4. D. 20.B
22. -14+(-4) A. -18. B. -10. C. 10. D. 18.A
23. 18-(-4) A. -22. B. -14. C. 14. D. 22.D
24. -5(-8) A. -40. B. -13. C. 13. D. 40.D
25. -7+10 A. -17. B. -3. C. 3. D. 17.C
26. 7 yd. = ? ft.21
27. 100 yr. = ? decades10
28. 20 qt. = ? gal.5
29. 5 lb. = ? oz80
30. 976 mg = ? dg9.76
31. 0.518 kL = ? L518
32. 45 cm = ? hm0.0045
33. 32 dag = ? g320
34. Circumference of a circleTest
35. Area of a TriangleTest
36. Perimeter of a RectangleTest
37. Volume of a ConeTest
38. Area of a SquareTest
39. Area of a CircleTest
40. Area of a TrapezoidTest
41. Volume of a CylinderTest
42. Lateral Surface Area of a CubeTest
43. Volume of a Rectangular PrismTest
44. A supermarket had whole roasted chickens on sale for 60% off. If each chicken originally cost $15, what is the discount and the final sale price of the chicken?9 6
45. A picture frame is 9 in. by 7 in. The frame is 1 in. wide all the way around. Find the area of the picture frame.28 sq in.

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_there_are_10_birds_for_every_4_dogs,_the_ratio_of_birds_to_dogs_is?__A._5/2__B._2/5__C._7/5__D._5/7

Question 1 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_algebra,_a_letter_that_represents_a_value_is_a?__A._Constant__B._Factor__C._Term__D._Variable

Question 2 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_constant_term_in_the_expression_3x^2+5x-4_is?_A._3__B._-4__C._x__D._3x^2

Question 3 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_arithmetic_sequence_3,_12,21,30…,_the_common_difference_is?__A._-9__B._-3__C._3__D._9

Question 4 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_of_the_following_is_the_correct_way_to_write_1.56_as_a_percent?__A._0.0156%__B._1.56%__C._15.6%__D._156%

Question 5 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_angle_A=80,_the_complement_of_angle_A_is?__A._10__B._80__C._90__D._100

Question 6 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_approximate_value_of_Pi_is?__A._0.314__B._3.14__C._31.4__D._314

Question 7 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_polygon_with_5_sides_is_a?__A._Hexagon__B._Pentagon.__C._Square.__D._Trapezoid.

Question 8 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_of_the_following_is_the_algebraic_translation_of_“9_more_than_twice_x”?__A._9-x.__B._9+x.__C._2x-9.__D._2x+9

Question 9 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_problem_12.56_divided_by_4.2,_the_decimal_point_should_be_moved_???_before_dividing?__A._1_space_to_the_right?__B._1_space_to_the_left?__C._2_spaces_to_the_right?__D._2_spaces_to_the_left?

Question 10 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_greatest_common_factor_of_40_and_50_is?__A._2.__B._4.__C._8.__D._10.

Question 11 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=20%_of_120.__A._2.4.__B._24.__C._60.__D._600.

Question 12 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=1_tbsp.=?_tsp.__A._2.__B._3.__C._4.__D._8.

Question 13 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5_Score=?_Yr.__A._2.__B._10.__C._20.__D._100.

Question 14 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.45X3.1.__A._7.595.__B._75.95.__C._759.5.__D._7595.

Question 15 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=20-2(5-3)^2÷2.__A._6.__B._7.__C._16.__D._18.

Question 16 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=2/3÷8/9___A._¾.__B.__16/27.__C._1__1/3.__D._1___11/16.

Question 17 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5___1/7-2___½___A._2___5/14.__B._2___9/14.__C._3___5/14.__D._3___9/14.

Question 18 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=(12ft_4_in)-(4ft._11_in.)_A._7ft._3_in.__B._7_ft._5_in.__C._8ft._3_in.__D._8_ft._5_in.

Question 19 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=(2_days_8_hr.)X4__A._8_days_8_hr.__B._8_days_12_hr.__C._9_days_5_hr.__D._9_days_8_hr.

Question 20 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8-12__A._-20.__B._-4.__C._4.__D._20.

Question 21 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=-14+(-4)___A._-18.__B._-10.__C._10.__D._18.

Question 22 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=18-(-4)___A._-22.__B._-14.__C._14.__D._22.

Question 23 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=-5(-8)__A._-40.__B._-13.__C._13.__D._40.

Question 24 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=-7+10__A._-17.__B._-3.__C._3.__D._17.

Question 25 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=7_yd._=_?_ft.

Question 26 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=100_yr._=_?_decades

Question 27 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=20_qt._=_?_gal.

Question 28 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5_lb._=_?_oz

Question 29 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=976_mg_=_?_dg

Question 30 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.518_kL_=_?_L

Question 31 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=45_cm_=_?_hm

Question 32 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=32_dag_=_?_g

Question 33 (of 45)

 


Math Review: QR Challenge

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

Question 34 (of 45)

 


Math Review: QR Challenge

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

Question 35 (of 45)

 


Math Review: QR Challenge

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

Question 36 (of 45)

 


Math Review: QR Challenge

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

Question 37 (of 45)

 


Math Review: QR Challenge

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

Question 38 (of 45)

 


Math Review: QR Challenge

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

Question 39 (of 45)

 


Math Review: QR Challenge

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

Question 40 (of 45)

 


Math Review: QR Challenge

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

Question 41 (of 45)

 


Math Review: QR Challenge

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

Question 42 (of 45)

 


Math Review: QR Challenge

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

Question 43 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_supermarket_had_whole_roasted_chickens_on_sale_for_60%_off.__If_each_chicken_originally_cost_$15,_what_is_the_discount_and_the_final_sale_price_of_the_chicken?

Question 44 (of 45)

 


Math Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_picture_frame_is_9_in._by_7_in.__The_frame_is_1_in._wide_all_the_way_around.__Find_the_area_of_the_picture_frame.

Question 45 (of 45)