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QR Challenge: Core 1 Revision

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. 1) Simplify √48 : now go outside Room 2 4√3
2. 2) Rationalise (2+√3)/(1-√3) : Now go near Medical (-5+3√3)/(-2)
3. 3) Factorise x^2-4x : Now go near Room 24(E5) x(x-4)
4. 4) Factorise x^2-25 : Now go near Mr Johnsons office (x+5)(x-5)
5. 5) Complete the square y=x^2+4x+7 : Now go near Room 59/60 (x+2)^2+3
6. 6) Complete the square y=x^2+3x+1 : Now go to the back of the stage (x+3/2)^2-5/4
7. 7) How many solutions does 3x^2-x+2 have? : Now go near Careers 0
8. 8) Solve these simultaneous equations.. y=x^2+xy+11 and y=2x+9 : Now go to the Music corridor (-1/3,25/3)or(-2,5)
9. 9) Find all 3 linear factors of f(x)=x^3-2x-x+2 : Now go near the English office (x-1)(x-2)(x+1)
10. 10) What is the remainder when x^3+x^2-14x-24 is divided by x+1 ? : Now go to the ICT Suite -10
11. 11) Describe the transformation that takes y=x^2 to y=(x-4)^2 : Now go to the Science stairs (4 0)
12. 12) What is the distance between the points (-2,3) and (6,-3)? : Now go to the corridor near the girls toilet 10
13. 13) What are the coordinates of the mid-point of the line joining (1,3) and (5,11)? : Now go to the corridor near the boys toilet (3,7)
14. 14) What is the gradient of the line joining the points (-7,-5) and (5,-3)? : Now go to Rowsley No exit! 1/6
15. 15) What is the general equation of a straight line? : Now go to the elaborate ramp! y=mx+c
16. 16) Find the centre and radius of the circle x^2+y^2+2x-4y-4=0 : Now go near Room 20 (E6) (-1,2) r=3
17. 17) Differentiate y=x^2+5x+2 : Now go outside Room 28 (L2) 2x+5
18. 18) Find the equation of the normal y=3x^2+7x-2 where x = -1 : Now go to the Vestibul x+y+7=0
19. 19) Find the coordinates of the stationary point y=8x-2x^2 and determine it's nature : Now go near the Drama offices (2,8) max
20. 20) ∫x^2+6x-3dx : Now go to the exit opposite the main office x^3/3 +3x^2 -3x+c

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=1)_Simplify_√48_:_now_go_outside_Room_2

Question 1 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=2)_Rationalise_(2+√3)/(1-√3)_:_Now_go_near_Medical

Question 2 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=3)_Factorise__x^2-4x_:_Now_go_near_Room_24(E5)

Question 3 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=4)_Factorise_x^2-25_:_Now_go_near_Mr_Johnsons_office

Question 4 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=5)_Complete_the_square_y=x^2+4x+7_:_Now_go_near_Room_59/60

Question 5 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=6)_Complete_the_square_y=x^2+3x+1_:_Now_go_to_the_back_of_the_stage

Question 6 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=7)_How_many_solutions_does_3x^2-x+2_have?_:_Now_go_near_Careers

Question 7 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=8)_Solve_these_simultaneous_equations..__y=x^2+xy+11_and_y=2x+9_:_Now_go_to_the_Music_corridor

Question 8 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=9)_Find_all_3_linear_factors_of_f(x)=x^3-2x-x+2_:_Now_go_near_the_English_office

Question 9 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=10)_What_is_the_remainder_when_x^3+x^2-14x-24_is_divided_by_x+1_?_:_Now_go_to_the_ICT_Suite

Question 10 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=11)_Describe_the_transformation_that_takes_y=x^2_to_y=(x-4)^2_:_Now_go_to_the_Science_stairs

Question 11 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=12)_What_is_the_distance_between_the_points_(-2,3)_and_(6,-3)?_:_Now_go_to_the_corridor_near_the_girls_toilet

Question 12 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=13)_What_are_the_coordinates_of_the_mid-point_of_the_line_joining_(1,3)_and_(5,11)?_:_Now_go_to_the_corridor_near_the_boys_toilet

Question 13 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=14)_What_is_the_gradient_of_the_line_joining_the_points_(-7,-5)_and_(5,-3)?_:_Now_go_to_Rowsley_No_exit!

Question 14 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=15)_What_is_the_general_equation_of_a_straight_line?_:_Now_go_to_the_elaborate_ramp!

Question 15 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=16)_Find_the_centre_and_radius_of_the_circle_x^2+y^2+2x-4y-4=0_:_Now_go_near_Room_20_(E6)

Question 16 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=17)_Differentiate_y=x^2+5x+2_:_Now_go_outside_Room_28_(L2)

Question 17 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=18)_Find_the_equation_of_the_normal_y=3x^2+7x-2_where_x_=_-1_:_Now_go_to_the_Vestibul

Question 18 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=19)_Find_the_coordinates_of_the_stationary_point_y=8x-2x^2_and_determine_it's_nature_:_Now_go_near_the_Drama_offices

Question 19 (of 20)

 


Core 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=20)_∫x^2+6x-3dx_:_Now_go_to_the_exit_opposite_the_main_office

Question 20 (of 20)