GENERAL OBJECTIVES
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:

CONTENT 
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.

4.

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.

10. 
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. 
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