Sunday, May 9, 2010
All the Best for MYE 2010
by D&T Thoughts at 10:54 PM |
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Straight line of y = a and x = a .
Hi,Just to recap how a straight of x = a or y = a (where a is an integer) looks like on the graph.
For the graph of x = a, it is a vertical straight line parallel to the y-axis cutting the x-axis at point 'a'. For e.g. x = -1, it is a vertical straight line cutting x at -1.
For the graph of y = b, it is a horizontal straight line parallel to the x-axis cutting the y-axis at point 'b'. For e.g. y = -2, it is a horizontal straight line cutting y at -2.
From the graph, answer these questions to test your understanding.
(i) Find the coordinates of the point where the two lines cut.
(ii) Draw a line of y = 3 and x = 5 on the graph.
(iii) Given that 1 unit represent 2 cm, find the area of the rectangle enclosed by these 4 lines.
by D&T Thoughts at 9:16 PM |
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Confusion between (0,3) and (3,0)
Hi,There are still some who are confused between coordinates that lie on the x and y axis. For e.g. (0,3) and (3,0).
The first thing you must know is the order in which a coordinate is written/read.
A coordinate is read/written as ( x-value, y-value ). For instance (1,3). The '1' is read from the x axis and '3' from the y axis.
In the case of (3,0), '3' is taken from the x-axis and '0' from the y-axis. Since it is a '0' on the y, we simply mark the coordinate (3,0) on the '3' at the x-axis.
by D&T Thoughts at 6:03 PM |
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MYE Bootcamp Word Problem Solutions
Hi,Click on the URL link below to download the full solutions for the 5 word problems which I posted on Friday.
Click Here
by D&T Thoughts at 6:51 AM |
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Saturday, May 8, 2010
Worked solutions for worksheet #49
by D&T Thoughts at 6:09 AM |
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Consultation for MYE
Hi,
Tuesday is your Maths Paper 1.
I will be available on Monday after your second paper for consultation.
For students who still have doubts on certain topics, feel free to come and look for me.
by D&T Thoughts at 3:58 AM |
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Friday, May 7, 2010
MYE Bootcamp - Word Problems
Hi,Welcome to Maths Bootcamp for your MYE...
More word problems to fuel you up and make you stronger for the coming MYE...
Here it goes,
(Easy - Just for warming up)
Q1) The sum of two consecutive numbers is 65. Find the smaller integer.
(Intermediate - Get ready for the first set of bootcamp exercise)
Q2) The denominator of a fraction is twice its numerator. If 2 is added to the numerator and 3 is subtracted from the denominator, the new fraction is 8/9. Find the original fraction.
(Intermediate - Well done if you have conquered Q2, now begin exercise Q3)
Q3) A boy is 26 years younger than his father. In 3 years' time, the father will be 3 times the boy's age. Find the boy's present age.
(Advanced - Good job if you are done with Q3, you have attained another level.. Now ready for Bootcamp exercise Q4)
Q4) Two cars traveled at a constant speed of x km/h. One car reached destination in 30 minutes and the other car took 1 hr 10 mins to reach its destination. The total distance traveled by two cars were 105 km. Find the distance of the longer travel.
(Cool down after some rigorous exercise...)
Q5) The price of a skirt is $25 more than the price of a T-shirt. The total price of 3 skirts and 8 T-shirts is $339. Find the price of a skirt.
Stay tuned for the answers on Sat Night....
by D&T Thoughts at 9:14 AM |
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Mid Year Exam 2010 Tips
Hi,MYE is just round the corner. Hope that you are doing well with your maths revision.
Here's some tips to do well in the exam.
1) Consistent Practice - make sure you go through the last two worksheets that I gave you.. I guess the number is worksheet #55 and #56.
2) Go through all my worksheets again..
3) Sleep well and drink more water.
4) Enjoy doing all sums. Make it a point to conquer any challenges that you face in working out any maths problems. DO NOT LET THE SUBJECT CONQUER YOU....
5) Don't forget the 3 special products and learn how to apply them in expansion and factorisation of expressions.
6) Put a bracket on expression with more than two terms.. For e.g. x + 4 = (x + 4).
7) When you distribute a '-' sign integer into expression in a bracket, all signs of each term within the brackets change. For e.g. -2 ( x - 2y + z) = -2x + 4y - 2z
8) When you bring out a '-' sign from a bracket, all signs within the bracket changes.
For e.g. -3x + 4y - 5z = -(3x - 4y + 5z)
by D&T Thoughts at 9:10 AM |
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