Thursday, 22 January 2015

Error Analysis 1.02

Another.

Error Analysis

What is wrong with this working?

Quiz on Prime Numbers


Link to responses

Classification of Numbers

Group 1:
Students with index number that is a prime less than 10 or greater than 20.
Names: 2,3,5,7,23


Group 2:
Students with index number which is a non-perfect square that is an even number between 10 and 24.
Names: 12, 14, 18, 20, 22


Group 3:
Students with index number that is an even number greater than 6 and less than 12, or an odd number from 11 to 15.
Names: 8,10, 11, 13, 15


Group 4:
Students with index number that has a odd number of factors:
Names: 1, 4, 9, 16, 25


Group 5:
Students that are not in group 1, 2, 3 nor 4.
Names: 6,17,19, 21, 24


Classification of Numbers

Monday, 19 January 2015

[For Action] Video to watch before tomorrow's lesson

Please watch the following video before Mathematics Lesson tomorrow. I will skim through some important points, but will not play the full video.


Also, reminder to submit assignment 1.2 tomorrow[Tuesday 20 Jan 2015].


Tuesday, 13 January 2015

The Smart Contractor

Your are a contractor requiring to cover completely a floor measuring 1000 cm by 440 cm, with identical square tiles with length that is a whole number.

·         What is the side of the largest possible square tile?
·         How many such tiles do you need if you use the largest possible square tiles?

Friday, 9 January 2015

Definition of Prime Number

Definition 1
A PRIME NUMBER or PRIME is a positive integer, not equal to one, which has no factors other than one and itself.


Definition 2
Prime Number is a whole number greater than 1 that can be divided evenly only by 1 or itself.


Definition 3
Prime Number is a number with 2 factors only, 1 and itself.


Comment on the 3 definitions. Which is better?