CXC Math Topic: COMPUTATION (2010)

                                                                       CXC Math Topic: COMPUTATION (2010)



On completion of this section students should be able to:

1. demonstrate an understanding of place value;

2. demonstrate computational skills;

3. be aware of the importance of accuracy in computation;

4. appreciate the need for numeracy in everyday life;

5. demionstrate the ability to make estimates fit for purpose.


SPECIFIC OBJECTIVES: The student should be able to:


1. perform computation using any of the four basic operations with real numbers;

Addition, multiplication, subtraction and division of whole numbers, fractions and decimals.


2. Convert among fractions, percentages and decimals;

Conversion of fractions to decimals and percentages, conversion of decimals to fractions and percentages, conversion of percentages to decimals and fractions.

3. convert from one set of units to another;

Conversion using conversion scales, converting within the metric scales, 12- hour and 24 hour clock, currency conversion.



express a value to a given number of:

(a) significant figures;

(b) decimal places;

1,2 or 3 significant figures.

1,2, or 3 decimal places.


5. write any rational number in standard form;

Scientific notation.


6. calculate any fraction or percentage of a given quantity;

Calculating fractions and percentages of a whole.


7. express one quantity as a fraction or percentage of another;

Comparing two quatities using fractions and percentages.


8. compare two quantities using ratios;

Ratio and proportion.


9. divide a quantity in a given ratio;

Ratio and proportion.



solve problems involving:

(a) fractions;

(b) decimals;

(c) percentages

(d) ratio, rates and proportions;

(e) arithmetic mean.


Here are our computation tutorials to help you prepare for this section of the CXC math exam.
Average: 4 (10 votes)
Your rating: None
aaliyah's picture
aaliyah (not verified)

i like this website very helpful because i like math and i want to have a great success towards it

aaliyah's picture
Aaisha Akbar (not verified)

I love maths

aaliyah's picture
delroydouglas (not verified)

I like cxc forever.

aaliyah's picture
guest (not verified)

awwwwwwwwww you not helping me with my wrk

aaliyah's picture
Meloney (not verified)

Its a pity was really looking forward to see these videos; sure they are good but unfortunately for me, the computer i am using do not show video clips. was hoping to see some flash card or somthing.....

Post new comment

The content of this field is kept private and will not be shown publicly.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.

More information about formatting options

This question is for testing whether you are a human visitor and to prevent automated spam submissions.
Enter the characters shown in the image.