Completing and identifying squares.

<b>Negative Exponent</b><p>Evaluating negative exponents or indices.</p>

In Question (1): Writing 3.14063 correct to 3 decimal places In Question (2):Expressing 0.12 as a fraction in its lowest term. Taken from CXC CSEC Math Exam Past Paper 1 Multiple Choice Question (1)&(2) May 2012.

Video showing how to simplify a complex fraction in its 'LOWEST' term. Taken from CXC CSEC Math Exam Paper 2 Question 1a May 2012.

Showing how to calculate complex fractions in1a(i). Also in 1a(ii) you will learn to calculate decimals and write your answer in standard form(also called scientific notation) . Taken from CXC CSEC Maths Past Paper II Question 1a(i)(ii) January 2012 Exams

In 3b(i) Copy and complete a diagram to show the points Q and R, and distances 20km and 15km. In 3b(ii) Using Pythagoras theorem to calculate the distance PR, the shortest distance a ship traveled from a point P. In 3b(iii) Using the trig ratio 'sine of an angle' to calculate angle QPR to the nearest degree. Taken from CXC CSEC Math Exam Paper 2 Question 3b May 2012.

Why the place value system is also called base ten, and as a result why ten is the amount of digits we use in our base ten system of numeration

Understanding the meaning of the term Highest Common Factor (HCF) and how to find the HCF from a group of numbers.

Constructing a perpendicular bisector using only a ruler, pencil and a pair of compasses

<b>A 60 Degree Angle</b><p>Constructing an angle using a pencil, ruler and a pair of compasses.</p>

In 2a(i) Showing how to factorize an algebraic expression. In 2a(ii) Explaining how to factorize a difference of two squares. In 2a(iii) Showing how to factorize by grouping. Taken from CXC CSEC Math Exam Paper 2 Question 2a May 2012.

<b>A 30 Degree Angle</b><p>Constructing an angle using a pencil, ruler and a pair of compasses.</p>

Using substitution to solve a pair of simultaneous equations

Solving an addition worded problems, using the place value system and expanded form.

The meaning of the Lowest Common Multiple and how to find the LCM of two numbers.

How to multiply a difference of two squares and then simplify the expression.

How to factor a difference of two squares. and comparing 'multiplying a difference of two squares' to 'factoring a difference of two squares'.

Using laws of indices to simplify an algebraic expression and showing how to use the properties of exponents to evaluate a decimal.

Exam-type questions involving one linear and one non-linear simultaneous equation.

Solving a quadratic equation by completing the square.

Solving exponential or indices equations.