CONTENT: Manipulation of real numbers, fractions, decimals and percentages; average, ratio, proportion, rates; squares adn square roots; use of tables and calculators; approximations and estimations.

SPECIFIC OBJECTIVES: The student should be able to:

Perform any of the basic operations with rational numbers, namely, whole numbers, fractions and decimals.

Convert from one set of units to another, given a conversion scale;
(for example, convert local currencies to those currencies most commonly encountered in the Caribbean)

Convert fractions and percentages to decimals and vice versa;

Approximate a value to a given number of significant figures and express any decimal to a given number of decimal places;

Write any rational number in standard form
(scientific notation)

Calculate any fraction or percentage of a given quantity;

Express one quantity as a fraction or percentage of another;

Compare two quantities in a given ratio;

Divide a given quantity in a given ratio;

Solve problems involving:

(a)      fractions

(b)      decimals

(c)      percentages

(d)     ratio, rates and percentages

(e)     squares and square roots

(f)      averages