Chap 4 Algebra... Let's Talk Algebra

Let's express our daily activities with algebraic statements...


Title: My zZzZzZz... hours

Let m be the number of hours I sleep in on Saturday or Sunday
Let n be the number of hours I sleep in a weekday


Total number of hours I sleep in a week = 2 m + 5 n hours


Think about what you do or encounter everyday... use an algebraic statement to describe it (like what is shown above).
Enter your personal story or encounter into the comments.

27 comments:

  1. Title:My playing time... :P

    Let m be the number of hours I play on Saturday and Sunday
    Let n be the number of hours I play on weekdays

    Total number of hours I play in a week=2 m + 5 n hours

    ReplyDelete
  2. Let ƒ be the number of hours I take to eat on Monday.
    Let π be the number of hours I take to eat on Tuesday

    Total number of hours it takes for me to eat on Monday and Tuesday = 1ƒ + 2π hours

    ReplyDelete
  3. The time that i am home alone
    Let y be the number of hours I am alone at home during weekdays
    Let x be the number of hours I am home alone during weekends

    Total number that i am alone in a week= 5 y + 2x hours

    ReplyDelete
  4. Title : The amount of money I spend a day

    Let m be the amount of money I spend on saturday or sunday.
    Let n be the amount of money I spend on weekday.

    Total amount I spend a week = $(2m + 5n)

    ReplyDelete
  5. i have 'm' cousins from singapore
    L are from malaysia.

    m+L = 11

    ReplyDelete
  6. Title: My Time On The Computer

    Let x be the time I use on the computer during weekends

    Let y be the time I use on the computer during weekdays

    Total amount of time I spent in the computer=2 x + 5 y hours

    ReplyDelete
  7. Let the number of hours I sleep in a day be q
    The number of hours I sleep in a year:q x 365
    =365q hours

    ReplyDelete
  8. In 1 Day,

    Christopher spends 3X HRS On Homework
    2U HRS On TV
    12YHRS On Games
    Total number of hours Christopher spends his day=3X+2U+12Y Hrs

    ReplyDelete
  9. Title: The hours I use to skype people

    Let d be the number of hours I skype people on Saturdays or Sundays
    Let p be the number of hours I skype people on a weekday

    Total number of hours I skype people in a week = 2 d + 5 p hours

    fyi: Skype is an online chat where you can send files, chat, call or video call. just in case you do not know...

    ReplyDelete
  10. Let ƒ be the number of hours I play tennis on Saturday and Singapore.

    Let x be the number of hours I play tennis on
    weekdays.

    Total Number of hours I play tennis in a week = 2ƒ + 5x hours

    ReplyDelete
  11. Let p be my cousin brothers in singapore
    Let j be my cousin sisters in singapore

    Total number of cousins = p+j

    ReplyDelete
  12. Let the amount of money I spend in SST be x on Monday and wednesday and y for the rest,
    Thus it becomes $(2x+3y)= amount of money I spend in SST

    ReplyDelete
  13. Title: My number of hours on Facebook each day.

    Let the number of hours I spend on Facebook on weekdays be x
    Let the number of hours I spend on Facebook on weekends be y

    Total number of hours: 2y+5x hours

    ReplyDelete
  14. Title: The time I spend playing Facebook

    Let a be the number of hours I play Facebook during Thursdays and Fridays.

    Let b be the number of hours I play Facebook during Mondays, Tuesdays and Wednesdays.

    Total number of hours I play Facebook in a week = 2 a +3 b hours

    ReplyDelete
  15. Title: How much time I spend on homework on normal school days and holidays

    Let x be the number of hours I spend on homework on normal school days
    Let y be the number of hours I spend on homework on holidays

    Total number of hours I spend on homework altogether = 5x + 3y

    ReplyDelete
  16. Title: Yummm! Carrot Salad!!!

    On every school month, I eat M bowls of carrot salad.
    On the June and December holiday, I eat H bowls of carrot salad each month.

    In total, I eat 10M + 2H bowls of carrot salad in every year.

    ReplyDelete
  17. This comment has been removed by the author.

    ReplyDelete
  18. My time I spend to travel to School...

    Let ƒ be the number of minutes I need to take to board the bus to Ang Mo Kio MRT (I stay at Ang Mo Kio)

    Let ø be the number of minutes I need to take to board the MRT from Ang Mo Kio to Clementi MRT.

    Let † be the number of minutes I need to take to walk to school from Clementi MRT station.

    Total number of minutes I need to take to arrive at school from home
    = ƒ min + ø min + † min
    = (f + ø + †) min

    ReplyDelete
  19. title: my "music" hours in a month

    let a be the number of hours i spend listening to music in a week.

    hours i spend:
    4a

    ReplyDelete
  20. My playing BLACKSHOT time.

    I will play A be the hours i play on weekdays.
    Let X be the hours i play during the weekend, 2 times a day for 1 week a month.

    During the dec. holidays for 2 weeks, I will play Y hours a day during the weekends and 2 Y hours a day during the weekdays.

    Done by darryl lam

    ReplyDelete
  21. My money saved from taking the train or bus when i have someone to drive me home during monday,tuesday and thursday.
    Let r be the amount I saved during monday.
    Let ƒ be the amount i saved during tuesday and thursday.

    Total amount saved on Monday,Tuesday and Thursday = $(1r + 5ƒ)

    ReplyDelete
  22. How many hours a year I spend hoping to meet Taylor Swift.

    Let t be the number of days in a year
    Let s be the number hours in a day

    Number of hours= t x s
    = ts

    ~Tay Pei Shan~

    ReplyDelete
  23. Title: The total 'weight' of my homeworks...

    Let h be the 'weight' of homeworks I have during term one.
    Let l be the 'weight of homeworks I have during term two.
    Let a be the 'weight' of homeworks I have during term three.
    Let b be the 'weight' of homeworks I have during term four.

    Total 'weight' of homeworks I have in these 4 years
    = 4h + 4l + 4a + 4b Mass of homeworks.

    ( Which is 10 tons of homeworks :P )

    -Christopher Nah

    ReplyDelete
  24. Zhengjie,

    From you storyline, could you elaborate why you tag a number to X, U and Y?

    ReplyDelete
  25. Carisa,

    Am I right to interpret that in your storyline, you made reference to a typical school week - with the weekend interpreted as "holidays"?

    ReplyDelete
  26. Darryl

    With what you defined, could you come up with an expresssion using "Y"? (or is there another variable "A" you mentioned at the start of the story?)

    ReplyDelete
  27. Dear S1-02

    Some of you have given interesting examples how you could express your daily encounters :D

    Well Done, everybody :D

    ReplyDelete