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QR Challenge: Chapter 4 Math Multiplication

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. What is 214 X 5 ? 1,070
2. 2. What is 328 X 3 ? 984
3. 3. What is 1,234 X 6 ? 7,404
4. 4. Estimate the product of 199 X 5 ? 1,000
5. 5. Estimate the product of 615 X 7 ? 42,000
6. 6. Ann, Mary, and Sue each have 198 stamps. How many stamps do they have altogether? 594
7. 7. What is the product of 3,210 X 7 ? 22,470
8. 8. Ed ordered three tacos for $1.50, two burritos for $2.50, and three tamales for $1.80. How much money did he spend? $14.90
9. 9. Steve traveled 13,980 miles to Berlin. Then he traveled 1,218 miles to Belgium. How far did he travel altogether? 14, 198 miles
10. 10. There were 1,321 fish in a tank. A larger tank was built , so 932 fish were transferred. How many fish are left in the first tank? 389
11. 11.Trucks delivered 515 apples to four stores. How many apples were delivered? 2,100
12. 12. What is the next number in this pattern: 2 8 10 40 42 ? 168
13. 13. What is 9,132 X 3 ? 27,396
14. 14. Estimate the product of 8,199 X 7 ? 56,000
15. 15. We ordered three meals for $ 2.91 and a dessert for $3.80. How much did we pay altogether? $12.53
16. 16. The library shelves have 620 books on each shelf. There are 5 shelves. How many books are there altogether? 3,100 books
17. 17. Estimate the product of $29.15 X 8 ? $240.00
18. 18. Estimate the product of $19.89 X 4 ? $80.00

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-What-is-214-X-5-?

Question 1 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-What-is-328-X-3-?

Question 2 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.-What-is-1,234-X-6-?

Question 3 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-Estimate-the-product-of-199-X-5-?

Question 4 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-Estimate-the-product-of-615-X-7-?

Question 5 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-Ann,-Mary,-and-Sue-each-have-198-stamps.-How-many-stamps-do-they-have-altogether?

Question 6 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-What-is-the-product-of-3,210-X-7-?

Question 7 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-Ed-ordered-three-tacos-for-$1.50,-two-burritos-for-$2.50,-and-three-tamales-for-$1.80.-How-much-money-did-he-spend?

Question 8 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Steve-traveled-13,980-miles-to-Berlin.-Then-he-traveled-1,218-miles-to-Belgium.-How-far-did-he-travel-altogether?

Question 9 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.-There-were-1,321-fish-in-a-tank.-A-larger-tank-was-built-,-so-932-fish-were-transferred.-How-many-fish-are-left-in-the-first-tank?

Question 10 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.Trucks-delivered-515-apples-to-four-stores.-How-many-apples-were-delivered?

Question 11 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=12.-What-is-the-next-number-in-this-pattern:-2--8--10--40--42-?

Question 12 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=13.-What-is-9,132-X-3-?

Question 13 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=14.-Estimate-the-product-of-8,199-X-7-?

Question 14 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=15.-We-ordered-three-meals-for-$-2.91-and-a-dessert-for-$3.80.-How-much-did-we-pay-altogether?

Question 15 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=16.-The-library-shelves-have-620-books-on-each-shelf.-There-are-5-shelves.-How-many-books-are-there-altogether?

Question 16 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=17.-Estimate-the-product-of-$29.15-X-8-?

Question 17 (of 18)

 


Chapter 4 Math Multiplication: QR Challenge

https://www.classtools.net/QR/decode.php?text=18.-Estimate-the-product-of-$19.89-X-4-?

Question 18 (of 18)