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Mathematics in The Modern World: F-Quiz #3 (Modular Arithmetic)

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PAMANTASAN NG LUNGSOD NG VALENZUELA

Mathematics in the Modern World SCORE


F-Quiz #3 (Modular Arithmetic)

Name: ___________________________________________________________________________________________________
Yr./Sec.: ________________________________ Date submitted: __________________________________________________

I. Evaluate each expression, where and indicate addition and subtraction, respectively, using a 12-hour clock.

1. 2 8 = 11. 12 860 = 21. 6 102 =


2. 3 18 = 12. 3 900 = 22. 8 203 =
3. 11 36 = 13. 1 923 = 23. 3 250 =
4. 10 50 = 14. 5 1,000 = 24. 9 261 =
5. 5 87 = 15. 4 1,500 = 25. 7 800 =
6. 6 102 = 16. 2 8= 26. 12 860 =
7. 8 203 = 17. 3 18 = 27. 3 900 =
8. 3 250 = 18. 11 36 = 28. 1 923 =
9. 9 261 = 19. 10 50 = 29. 5 1,000 =
10. 7 800 = 20 5 87 = 30. 4 1,500 =

II. Determine the day which the following dates would fall.

1. March 20, 2019 – Tuesday 6. October 24, 2040 – Tuesday


March 20, 2030 – ____________ October 24, 2030 – __________

2. December 26, 2008 – Friday 7. August 2, 2013 – Friday


December 26, 2018 – ___________ August 2, 2008 – __________

3. November 1, 2005 – Wednesday 8. July 4, 2019 – Wednesday


November 1, 2025 – ___________ July 4, 2000 – __________

4. June 30, 2003 – Thursday 9. September 29, 2025 – Saturday


June 30, 2034 – _________ September 29, 1999 – ________

5. February 29, 2000 – Sunday 10. March 20, 2019 – Tuesday


February 29, 2040 – ________ March 20, 1990 – _________

III. Determine the last digit of the UPC (Universal Product Code) to prove that each product is legit.

_____1. 0-79893-46500-? (Organics Honey)


_____2. 6-53569-39973-? (Scrabble)
_____3. 7-14043-01126-? (Monopoly)
_____4. 0-32031-13439-? (Beethoven’s 9th Symphony, DVD)
_____5. 8-85909-19432-? (16 GB iPad with WiFi)

“Be a good person but don’t waste time trying to prove it.”

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