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QR Challenge: Fraction and Decimal Review

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. 1.Explain why 4/10 and 40/100 have unlike denominators but are equivalent fractions.The same amount in each of these fractions is shaded. the pieces are just split into smaller pieces.
2. 2.I ran as fast as I could for 45/100 km around the running track, then I jogged for 3/10 km. How far did I travel in all?75/100 or 3/4
3. 3.Find an equivalent fraction for 7/10 with a denominator of 100. Explain your answer.70/100
4. 4.I need to find the sum of 9/100 and 5/10. Explain the steps I should take to do this.9/100 + 50/100 = 59/100
5. 5.In a team event, Christian rode his bicycle 62/100 km and Jordan rode her bicycle 2/10 km. What is the total distance they rode?82/100
6. 6.On Saturday, Miss Mattos used 30/100kg of sugar baking apple pies and 4/10kg of sugar baking muffins. How much sugar did Miss Mattos use in all?70/100 or 7/10
7. 7.Adriana cut 4/10m of ribbon to wrap a birthday present. She cut another 53/100m of ribbon to tie in her hair. How many meters of ribbon did Adriana cut in all?93/100m
8. 8.I need to find the difference between 8/100 and 6/10. Explain the steps I should take to do this.60/100 - 8/100 = 52/100
9. 9.Seth ate 3/4 of a pepperoni pizza. JJ ate 9/12 of pineapple pizza. JJ said that he ate more pizza because he ate more pieces. His he correct? Explain your answer.No, he is not correct because the fractions are equivalent meaning that the boys ate the same amount of pizza.

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.Explain_why_4/10_and_40/100_have_unlike_denominators_but_are_equivalent_fractions.

Question 1 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.I_ran_as_fast_as_I_could_for_45/100_km_around_the_running_track,_then_I_jogged_for_3/10_km.__How_far_did_I_travel_in_all?

Question 2 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.Find_an_equivalent_fraction_for_7/10_with_a_denominator_of_100.__Explain_your_answer.

Question 3 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.I_need_to_find_the_sum_of_9/100_and_5/10.__Explain_the_steps_I_should_take_to_do_this.

Question 4 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.In_a_team_event,_Christian_rode_his_bicycle_62/100_km_and_Jordan_rode_her_bicycle_2/10_km.__What_is_the_total_distance_they_rode?

Question 5 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.On_Saturday,_Miss_Mattos_used_30/100kg_of_sugar_baking_apple_pies_and_4/10kg_of_sugar_baking_muffins.__How_much_sugar_did_Miss_Mattos_use_in_all?

Question 6 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.Adriana_cut_4/10m_of_ribbon_to_wrap_a_birthday_present.__She_cut_another_53/100m_of_ribbon_to_tie_in_her_hair.__How_many_meters_of_ribbon_did_Adriana_cut_in_all?

Question 7 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.I_need_to_find_the_difference_between_8/100_and_6/10.__Explain_the_steps_I_should_take_to_do_this.

Question 8 (of 9)

 


Fraction and Decimal Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.Seth_ate_3/4_of_a_pepperoni_pizza.__JJ_ate_9/12_of_pineapple_pizza.__JJ_said_that_he_ate_more_pizza_because_he_ate_more_pieces.__His_he_correct?__Explain_your_answer.

Question 9 (of 9)