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QR Challenge: Decimal Places

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. The digit in the ones place is 72 divided by 98
2. Seventy thousand, three hundred twenty-four is greater than/less than/equal to 67,543greater than
3. 700,000+ 800 + 20 +8 is greater than/less than/equal to 790,28greater than
4. The digit in the hundreds place is how many days are in a weekend2
5. 902,780 is greater than/less than/equal to 90,000 + 2,000 + 70 + 8greater than
6. 60,000 + 300 + 20 + 7 is greater than/less than/equal to Three hundred thousand, seventy-nineless than
7. what standard form number is equal to Thirty-three thousand, six hundred and twenty thousandths33,600.2
8. The digit in the thousandths place is 42 divided by 67
9. Five hundred thirty-two thousand, one hundred ten is greater than/less than/equal to 500,000 + 30 + 2greater than
10. 0.031 is greater than/less than/equal to thirty three hundredthsless than
11. 1.293 is greater than/less than/equal to 1+0.2+0.08+0.009greater than
12. nine hundred thirty-three thousandths is greater than/less than/equal to 0.8+0.05+0.008less than
13. The digit in the tenths place is number of Great Expectations we have8
14. ten and three hundred eighty-nine thousandths is greater than/less than/equal to 10+0.3+0.04+0.007greater than
15. Five swimmers are entered into a competition. Four of the swimmers have had their turns. Their scores are 9.8 s, 9.75 s, 9.79 s, and 9.81 s. What score must the last swimmer get in order to win the competition?9.74
16. To make a miniature ice cream truck, you need tires with a diameter between 1.465 cm and 1.472 cm. Will a tire that is 1.469 cm in diameter work? Explain why or why not. yes
17. The digit in the hundredths place is the number of specials we have3
18. Ellen wanted to buy the following items: A DVD player for $49.95, a DVD holder for $19.95 and a personal stereo for $21.95. Does Ellen have enough money to buy all three items if she has $90 with her?vary
19. the digit in the tens place is 35 divided by 75
20. Melissa purchased $39.46 in groceries at a store. The cashier gave her $1.46 in change from a $50 bill. Melissa gave the cashier an angry look. What did the cashier do wrong?wrong change

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_digit_in_the_ones_place_is_72_divided_by_9

Question 1 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=Seventy_thousand,_three_hundred_twenty-four_is_greater_than/less_than/equal_to_67,543

Question 2 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=700,000+_800_+_20_+8_is_greater_than/less_than/equal_to_790,28

Question 3 (of 20)

 


Decimal Places: QR Challenge

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

Question 4 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=902,780_is_greater_than/less_than/equal_to_90,000_+_2,000_+_70_+_8

Question 5 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=60,000_+_300_+_20_+_7_is_greater_than/less_than/equal_to_Three_hundred_thousand,_seventy-nine

Question 6 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=what_standard_form_number_is_equal_to_Thirty-three_thousand,_six_hundred_and_twenty_thousandths

Question 7 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_digit_in_the_thousandths_place_is_42_divided_by_6

Question 8 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=Five_hundred_thirty-two_thousand,_one_hundred_ten_is_greater_than/less_than/equal_to_500,000_+_30_+_2

Question 9 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=0.031_is_greater_than/less_than/equal_to_thirty_three_hundredths

Question 10 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.293_is_greater_than/less_than/equal_to_1+0.2+0.08+0.009

Question 11 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=nine_hundred_thirty-three_thousandths_is_greater_than/less_than/equal_to_0.8+0.05+0.008

Question 12 (of 20)

 


Decimal Places: QR Challenge

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

Question 13 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=ten_and_three_hundred_eighty-nine_thousandths_is_greater_than/less_than/equal_to_10+0.3+0.04+0.007

Question 14 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=Five_swimmers_are_entered_into_a_competition._Four_of_the_swimmers_have_had_their_turns._Their_scores_are_9.8_s,_9.75_s,_9.79_s,_and_9.81_s._What_score_must_the_last_swimmer_get_in_order_to_win_the_competition?

Question 15 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=To_make_a_miniature_ice_cream_truck,_you_need_tires_with_a_diameter_between_1.465_cm_and_1.472_cm._Will_a_tire_that_is_1.469_cm_in_diameter_work?_Explain_why_or_why_not.

Question 16 (of 20)

 


Decimal Places: QR Challenge

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

Question 17 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ellen_wanted_to_buy_the_following_items:_A_DVD_player_for_$49.95,_a_DVD_holder_for_$19.95_and_a_personal_stereo_for_$21.95._Does_Ellen_have_enough_money_to_buy_all_three_items_if_she_has_$90_with_her?

Question 18 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=the_digit_in_the_tens_place_is_35_divided_by_7

Question 19 (of 20)

 


Decimal Places: QR Challenge

https://www.classtools.net/QR/decode.php?text=Melissa_purchased_$39.46_in_groceries_at_a_store._The_cashier_gave_her_$1.46_in_change_from_a_$50_bill._Melissa_gave_the_cashier_an_angry_look._What_did_the_cashier_do_wrong?

Question 20 (of 20)