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QR Challenge: YEAR 3 Maths Easter Trail!

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. What is the missing number? ? + 81 = 10019+81=100
2. Spot the mistake: 64+46=10064+36=100, there were too many tens!
3. Does this number sentence require carrying? 126+147= Prove it!Yes! the units cross 10 so the answer is 273.
4. Complete the missing numbers 150, 200, ? 300, 350, ?, 450Counting in 50's 150, 200, 250, 300, 350, 400, 450
5. 2/3 of 27=9. True or False. Show how you worked out your answerFalse. Using the bar model to support or your knowledge of counting in 3', you should have realised that 18 would be 2/3. 1/3 is 9, 3/3 is 27.
6. I have 1 litre of orange squash. Each glass hold 100 ml. Have I got enough squash for 10 people? Explain your answer.yes because there are 1000 ml in 1 litre and if I count in 100s, I get to 1000 after counting 10 times.
7. How many hundreds in 1526?There are 5 hundreds.
8. How many ways can you write 8x5=40?Use inverse operations 5x8=40, 40/8=5, 40/5=8, 40=8x5, 40=5x8
9. True or False. You need to exchange. (Write as a column subtraction to help). 563-248=True. There aren't enough units. The answer is 315.
10. 2/5+?=5/52/5+3/5=5/5
11. What sign would be needed to make this number sentence true? Convince me! 265?135=400.265+135=400. The answer is bigger than the starting number! Or you should know your number bonds!

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_missing_number?_?_+_81_=_100

Question 1 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=Spot_the_mistake:_64+46=100

Question 2 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=Does_this_number_sentence_require_carrying?_126+147=_Prove_it!

Question 3 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=Complete_the_missing_numbers_150,_200,_?_300,_350,_?,_450

Question 4 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=2/3_of_27=9._True_or_False._Show_how_you_worked_out_your_answer

Question 5 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_have_1_litre_of_orange_squash._Each_glass_hold_100_ml._Have_I_got_enough_squash_for_10_people?_Explain_your_answer.

Question 6 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_hundreds_in_1526?

Question 7 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_ways_can_you_write_8x5=40?

Question 8 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=True_or_False._You_need_to_exchange._(Write_as_a_column_subtraction_to_help)._563-248=

Question 9 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

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

Question 10 (of 11)

 


YEAR 3 Maths Easter Trail!: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_sign_would_be_needed_to_make_this_number_sentence_true?_Convince_me!_265?135=400.

Question 11 (of 11)