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QR Challenge: Maths QR Easter Revision HIGHER

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. Simplify √98 1
2. SOLVE x2 – 3x=7 to 1 dp 1
3. 24 can be written as 24 = 2a × 3 What is the value of a?1
4. Solve x2 + 5x – 84 = 0 1
5. The radius of the Earth is 6376 km. Using suitable approximations estimate the surface area of the Earth. Give your answer in standard form. Assume the Earth is a sphere and the surface area of a sphere is given by A = 4pir2 1
6. (2x – 3)(3x + 5)1
7. In January 2012 the population of Africa was 650 000 000. The population of Africa is increasing at the rate of 2.9% per annum. Write down the single number that you need to multiply 650 000 000 by to calculate the population of Africa in January 2013. 1
8. Simplify (3xy2)4.1
9. a and b are prime numbers. ab3 = 54 Find the values of a and b. 1
10. James invests £700 for 2 years at 10% per year compound interest. How much interest does he earn?1
11. Solve the simultaneous equations:2x + 3y = 9 3x + 2y = 11

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_√98

Question 1 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=SOLVE_x2_–_3x=7_to_1_dp

Question 2 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=24_can_be_written_as_24_=_2a_×_3_What_is_the_value_of_a?

Question 3 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve__x2_+_5x_–_84_=_0

Question 4 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_radius_of_the_Earth_is_6376_km.__Using_suitable_approximations_estimate_the_surface_area_of_the_Earth._Give_your_answer_in_standard_form._Assume_the_Earth_is_a_sphere_and_the_surface_area_of_a_sphere_is_given_by_A_=_4pir2

Question 5 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=(2x_–_3)(3x_+_5)

Question 6 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_January_2012_the_population_of_Africa_was_650_000_000.__The_population_of_Africa_is_increasing_at_the_rate_of_2.9%_per_annum._Write_down_the_single_number_that_you_need_to_multiply_650_000_000_by_to_calculate_the_population_of_Africa_in_January_2013.

Question 7 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=Simplify_(3xy2)4.

Question 8 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=a_and_b_are_prime_numbers._ab3_=_54_Find_the_values_of_a_and_b.

Question 9 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=James_invests_£700_for_2_years_at_10%_per_year_compound_interest._How_much_interest_does_he_earn?

Question 10 (of 11)

 


Maths QR Easter Revision HIGHER: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_the_simultaneous_equations:2x_+_3y_=_9_3x_+_2y_=_1

Question 11 (of 11)