Real Numbers: Activity 1 - What does it mean to us?

On your own, answer the following questions
(Enter your answers under comment. Label your answers clearly.)

1. If -4 km/h means 4 km/h below the speed limit, what does 12 km/h mean?
2. If -7˚C denotes a temperature drop of 7˚C, what does 5˚C denote?

3. If 20 km denotes a distance of 20 km due east, what denotes a distance of 6 km due west?
4. If 100 represents a gain of $100, what number represents a loss of $150?
5. If we use the integer "5" to represent 5 floors above the ground level, what integer is used to represent 2 floors below the ground level?

~~~~~~~~~~~~~~~~
Responses (after lesson)
  1. 12 km/h means 12 km/h above the speed limit
  2. 5˚C denotes an increase of 5˚C 
  3. - 6 km
  4. -$150
  5. -2

22 comments:

  1. 1. 12km/h means that it is 12 km above the speed limit.
    2. 5˚c denotes a temperature rise of 5˚c.
    3. -6km denotes the distance.
    4. -150 represents the loss.
    5. -2 is used.

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

    ReplyDelete
  3. 1. 12km/h means 12km/h over the speed limit.
    2. 5°c means a temperature rise of 5°c.

    3. -6km detonates a distance of 6km west.
    4. The number is -$150.
    5.The integer is -2

    ReplyDelete
  4. 1. 12km/h above the speed limit
    2.temperature increase of 5oC
    3.-6km
    4.-$150
    5.-2
    Liew Wei Siew

    ReplyDelete
  5. 1.12km/h means 12km/h above the speed limit.
    2.It denotes a temperature rise of 5˚C.
    3.-6km denotes a distance of 6km due west.
    4.-150 represents a loss of $150?
    5. The integer"-2" is used to represent 2 floors below the ground level?

    ReplyDelete
  6. 1. 12km/h above the speed limit
    2. a temperature rise of 5°C
    3.It will be -6km
    4. -150
    5. -2

    ReplyDelete
  7. Mark :) :( :'( (^^^) :D :O :42: O:) :p2/10/2011 02:36:00 PM

    1.12km/h above the speed limit.
    2.It denotes a temperature rise of 5˚C.
    3.It would be -6km.
    4.-150 will denote a loss of $150.
    5.-2 will be used to denote 2 floors below ground.

    ReplyDelete
  8. 1.12km/h means 12km above the speed limit.
    2.It denotes a 5 ˚C rise in temperature.
    3.It would denote -6km due east.
    4.The number what would be -$150 or a loss of $150.
    5.The integer would be -2.

    ReplyDelete
  9. 1) It means 12km/h over the speed limit.
    2) It denotes a 5 ˚C rise in temperature .
    3) -6km denotes 6km due west.
    4) -150 denotes the lost of $150.
    5) The integer would be -2.

    ReplyDelete
  10. 1) It means 12km/h above the speed limit
    2) It denotes a 5 ˚C rise in temperature
    3) -6km denotes 6km due west
    4) -$150 denotes the lost of $150
    5) The integer would be -2.
    Matthew

    ReplyDelete
  11. 1)It means 12km/h above the speed limit.
    2)It indicates a 5°C rise in temperature.
    3)It denotes -6km would denote km due west.
    4)-$150 represents a loss of $150
    5)The integer would be -2

    ReplyDelete
  12. 1. It means that it is 12km/h above the speed limit
    2. It denotes a 5 ˚C rise in temperature.
    3. -6 km denotes the distance of 6 km due west.
    4. -150 represents the loss of $150.
    5. The integer -2 is to represent 2 floors below ground level.

    ReplyDelete
  13. 1. 12km/h above the speed limit.
    2. An increase of temperature by 5°C.
    3. -6km
    4. -150
    5. -2

    ReplyDelete
  14. 1)12km/h means it is 12km/h above the speed limit.
    2)The temperature increased by 5 degrees celsius.
    3)-6km
    4)-150
    5)-2

    ReplyDelete
  15. 1. 12 km/h means its 12km/h above the speed limit
    2. 5˚C denotes a 5˚C increase of temperature
    3. -6km denotes a distance of 6 km due west?
    4. -150 represents a loss of $150?
    5. -2 is used to represent 2 floors below the ground level?

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

    ReplyDelete
  17. 1. It means 12km/h above the speed limit.
    2. It denotes a temperature increase of 5˚C.
    3.-6 km denotes a distance of 6 km due west.
    4. -150 represents the loss.
    5. The integer -2 is used.

    -Nina

    ReplyDelete
  18. QUESTION ONE: 12km/h means 12km/h above the speed limit.
    QUESTION TWO: 5˚C denotes a 5˚C rise in the temperature.

    QUESTION THREE: -6km denotes a distance of 6 km due west.
    QUESTION FOUR: -$150 represents a loss of $150.
    QUESTION FIVE: the integer -2 is used to represent 2 floors below the ground level.

    ReplyDelete
  19. 1.)12km/h above the speed limit
    2.)5˚C denote a temperature rise of 5˚C
    3.)-6km denotes a distance of 6 km due west
    4.)-$150 represents a loss of $150
    5.)-2 is used to represent 2 floors below the ground level?
    -Ruoyu

    ReplyDelete
  20. 1. 12 km/h means 12 km/h above the speed limit.
    2. 5ºC denotes a rise of 5ºC in temperature.
    3. -6 km denotes a distance of 6 km due west.
    4. -$150 represents a loss of $150.
    5. The integer "-2" represents 2 floors below ground level.

    ReplyDelete
  21. Dear all

    Please compare what you have submitted to what's updated in the post.

    In particular, Q3 to Q5 where "-" is used to describe the "opposite".

    ReplyDelete