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QR Challenge: Version 1

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. Use two different ways to write 7,982,341 in expanded form.8
2. Write the number below in exponential form 501,3078
3. Write the number below using three expanded form notations.7,519,230.4568
4. Create a number in which a six is in the ten thousands place, a 7 is in the ten thousandths place, a 9 is in the millions place and a three is in the tenths place.8
5. What is nine million, six hundred fifty one thousand, three hundred eleven and four hundred fifty two thousandths in standard form?8
6. Write 5,000,000 in exponential form.8
7. How many times do you need to multiply 0.35493 by ten to get 3549.3?8
8. How many times do you need to multiply 59.14 by ten to get 591.4?8
9. How many times do you need to multiply 7.2375 by ten to get 72.375?8
10. Express the fraction 51/100 as a decimal.8
11. How many zeros does the quotient 7,500,000÷10 have?8
12. How many zeros does the product 32×10^2 have?8
13. When 28,000 is divided by 10^6 which way does the decimal point move and how many spaces?8
14. How many zeros does the product 76×10^4 have?8
15. When 72.1 is multiplied by 10^3, which way does the decimal point move and how many spaces?8
16. How many zeros does the quotient 70,000,000÷103 have?8
17. Write a single number (standard form) that equals this expression:7×1000 + 3×100 + 2×10 + 7×1 + 6×1/10 + 8×1/1008
18. Which of the following expressions is equivalent to the decimal number 40.902? a. 4×10 + 9×11000 + 2×110 b. 4×10 + 9×100 + 2×1 c. 4×10,000 + 9×100 + 2×1 d. 4×10 + 9×110 + 2×110008
19. Write a single number (standard form) that equals this expression: 1×1000 + 3×100 + 5×10 + 7×1 + 9×1/10 + 8×1/1008
20. Write a single number (standard form) that equals this expression: 5×1000 + 6×100 + 7×10 + 8×1 + 1×1/10 + 2×1/1008
21. What is the number that is represented in this expanded form? 3 x 1 + 0 x (1/10) + 3 x (1/100) + 4 x (1/1000) =8
22. How many times greater is the value of the digit 5 in 583,607 than the value of the digit 5 in 362,501?8
23. What number is one-tenth of the expanded form below? 1(10,000) + 2(1,000) + 4(100) + 3(10) + 2(1) + 5(1/10) + 3(1/100).8
24. What is four hundred sixty-three and seven hundred fifty-eight thousandths in decimal notation?8
25. What is twelve thousand and twelve thousandths in decimal notation?8
26. Write an expanded form expression equivalent to the decimal number 98.3658
27. Write an expanded form expression equivalent to the decimal number 57.1428
28. Express the number 9,648,001.004 in word form.8

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Use_two_different_ways_to_write_7,982,341_in_expanded_form.

Question 1 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_number_below_in_exponential_form_501,307

Question 2 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_number_below_using_three_expanded_form_notations.7,519,230.456

Question 3 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Create_a_number_in_which_a_six_is_in_the_ten_thousands_place,_a_7_is_in_the_ten_thousandths_place,_a_9_is_in_the_millions_place_and_a_three_is_in_the_tenths_place.

Question 4 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_nine_million,_six_hundred_fifty_one_thousand,_three_hundred_eleven_and_four_hundred_fifty_two_thousandths_in_standard_form?

Question 5 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_5,000,000_in_exponential_form.

Question 6 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_times_do_you_need_to_multiply_0.35493_by_ten_to_get_3549.3?

Question 7 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_times_do_you_need_to_multiply_59.14_by_ten_to_get_591.4?

Question 8 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_times_do_you__need_to_multiply_7.2375__by_ten_to_get_72.375?

Question 9 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Express_the_fraction_51/100_as_a_decimal.

Question 10 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_zeros_does_the_quotient_7,500,000÷10__have?

Question 11 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_zeros_does_the_product_32×10^2_have?

Question 12 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=When_28,000_is_divided_by_10^6_which_way_does_the_decimal_point_move_and_how_many_spaces?

Question 13 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_zeros_does_the_product_76×10^4_have?

Question 14 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=When_72.1_is_multiplied_by_10^3,_which_way_does_the_decimal_point_move_and_how_many_spaces?

Question 15 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_zeros_does_the_quotient_70,000,000÷103_have?

Question 16 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_a_single_number_(standard_form)_that_equals_this_expression:7×1000_+_3×100_+_2×10_+_7×1_+_6×1/10_+_8×1/100

Question 17 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_of_the_following_expressions_is_equivalent_to_the_decimal_number_40.902?_a._4×10_+_9×11000_+_2×110_b.__4×10_+_9×100_+_2×1_c.__4×10,000_+_9×100_+_2×1_d.__4×10_+_9×110_+_2×11000

Question 18 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_a_single_number_(standard_form)__that_equals_this_expression:_1×1000_+_3×100_+_5×10_+_7×1_+_9×1/10_+_8×1/100

Question 19 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_a_single_number_(standard_form)_that_equals_this_expression:_5×1000_+_6×100_+_7×10_+_8×1_+_1×1/10_+_2×1/100

Question 20 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_number_that_is_represented__in_this_expanded_form?_3_x_1_+__0_x_(1/10)__+_3_x_(1/100)__+_4_x_(1/1000)_=

Question 21 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_times_greater_is_the_value_of_the_digit_5_in_583,607_than_the_value_of_the_digit_5_in_362,501?

Question 22 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_number_is_one-tenth_of_the_expanded_form_below?_1(10,000)_+_2(1,000)_+_4(100)_+_3(10)_+_2(1)_+_5(1/10)_+_3(1/100).

Question 23 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_four_hundred_sixty-three_and_seven_hundred_fifty-eight_thousandths_in_decimal_notation?

Question 24 (of 28)

 


Version 1: QR Challenge

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

Question 25 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_an_expanded_form_expression_equivalent_to_the_decimal_number_98.365

Question 26 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_an_expanded_form_expression_equivalent_to_the_decimal_number_57.142

Question 27 (of 28)

 


Version 1: QR Challenge

https://www.classtools.net/QR/decode.php?text=Express_the_number_9,648,001.004_in_word_form.

Question 28 (of 28)