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QR Challenge: Maths Hunt 2

Created using the ClassTools QR Treasure Hunt Generator

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. Jack has £400 He spends 35% of his money on a new bike.How much does Jack spend on his new bike?£140
2. 2. A box contains 2.6 kg of washing powder.Jack uses 65 grams of powder for each wash. He uses all the powder.How many washes did Jack do?40
3. 3. A book has 276 pages. Amina has read 1/3 of the book.How many pages are left for Amina to read?184
4. 4. In March, Ken collects 2, 3 or 4 eggs each day from his hens. In the first 20 days, Ken collects 57 eggs altogether. There are 31 days in March.What is the greatest number of eggs Ken can collect in March?101
5. 5. Amina posts three large letters.The postage costs the same for each letter.She pays with a £ 20 note.Her change is £14.96 What is the cost of posting one letter?£1.68
6. 6. Adam buys 6 bags of white balloons.Chen buys 3 bags of red balloons.Adam says,‘I have four times as many balloons as Chen.’Explain why Adam is correctAn explanation that shows Adam has four times as many balloons as Chen.
7. 7. 3 pineapples cost the same as 2 mangoes.One mango costs £1.35 How much does one pineapple cost? £0.90
8. 8. Dev thinks of a whole number. He multiplies it by 4. He rounds his answer to the nearest 10. The result is 50. Write all the possible numbers that Dev could have started with.12 and 13
9. 9. Which two numbers that add together to equal 1/4. 0.05 0.23 0.2 0.50.2 and 0.05
10. 10.Write all the common multiples of 3 and 8 that are less than 5024and48
11. 11. Write the number that is five less than ten million. 9,999,995
12. 12.Write these numbers in order, starting with the smallest.0.78, 0.607, 5.6 0.098, 4.0030.098, 0.607,0.78, 4.003, 5.6
13. 14. A toy shop orders 11 boxes of marbles.Each box contains 6 bags of marbles. Each bag contains 45 marbles. How many marbles does the shop order in total?2,970.
14. 15. Lara chooses a number less than 20 She divides it by 2 and then adds 6. She then divides this result by 3. Her answer is 4.5. What was the number she started with?15
15. 16. Circle two numbers that multiply together to equal 1 million. 200 2,000 5,000 50,000 200, 5000
16. How much does each child pay?£5.75
17. 18.One gram of gold costs £32.94. What is the cost of half a kilogram of gold?£16,470
18. 19. Two decimal numbers add together to equal 1. One of the numbers is 0.007 What is the other number?0.993
19. 20.Calculate 55% of 640352

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-Jack-has-£400-He-spends-35%-of-his-money-on-a-new-bike.How-much-does-Jack-spend-on-his-new-bike?

Question 1 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-A-box-contains-2.6-kg-of-washing-powder.Jack-uses-65-grams-of-powder-for-each-wash.-He-uses-all-the-powder.How-many-washes-did-Jack-do?

Question 2 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-A-book-has-276-pages.-Amina-has-read-1/3-of-the-book.How-many-pages-are-left-for-Amina-to-read?

Question 3 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-In-March,-Ken-collects-2,-3-or-4-eggs-each-day-from-his-hens.-In-the-first-20-days,-Ken-collects-57-eggs-altogether.-There-are-31-days-in-March.What-is-the-greatest-number-of-eggs-Ken-can-collect-in-March?

Question 4 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Amina-posts-three-large-letters.The-postage-costs-the-same-for-each-letter.She-pays-with-a-£-20-note.Her-change-is-£14.96-What-is-the-cost-of-posting-one-letter?

Question 5 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Adam-buys-6-bags-of-white-balloons.Chen-buys-3-bags-of-red-balloons.Adam-says,‘I-have-four-times-as-many-balloons-as-Chen.’Explain-why-Adam-is-correct

Question 6 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-3-pineapples-cost-the-same-as-2-mangoes.One-mango-costs-£1.35-How-much-does-one-pineapple-cost?

Question 7 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Dev-thinks-of-a-whole-number.-He-multiplies-it-by-4.-He-rounds-his-answer-to-the-nearest-10.-The-result-is-50.-Write-all-the-possible-numbers-that-Dev-could-have-started-with.

Question 8 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Which-two-numbers-that-add-together-to-equal-1/4.--0.05---0.23---0.2----0.5

Question 9 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.Write-all-the-common-multiples-of-3-and-8-that-are-less-than-50

Question 10 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.-Write-the-number-that-is-five-less-than-ten-million.

Question 11 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=12.Write-these-numbers-in-order,-starting-with-the-smallest.0.78,-0.607,-5.6--0.098,-4.003

Question 12 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=14.-A-toy-shop-orders-11-boxes-of-marbles.Each-box-contains-6-bags-of-marbles.-Each-bag-contains-45-marbles.-How-many-marbles-does-the-shop-order-in-total?

Question 13 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=15.-Lara-chooses-a-number-less-than-20-She-divides-it-by-2-and-then-adds-6.-She-then-divides-this-result-by-3.-Her-answer-is-4.5.-What-was-the-number-she-started-with?

Question 14 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=16.-Circle-two-numbers-that-multiply-together-to-equal-1-million.-200-2,000----5,000-50,000

Question 15 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-much-does-each-child-pay?

Question 16 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=18.One-gram-of-gold-costs-£32.94.-What-is-the-cost-of-half-a-kilogram-of-gold?

Question 17 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=19.-Two-decimal-numbers-add-together-to-equal-1.-One-of-the-numbers-is-0.007-What-is-the-other-number?

Question 18 (of 19)

 



Maths Hunt 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=20.Calculate--55%-of-640

Question 19 (of 19)