Monday 21 May 2012

Unit 1 Expressions and formulae

Outcome 1.1
Applying numerical skills to simplify surds/expressions using the law of indices.
 Surds Overview

Surds - Rationalising the denominator (BBC)

 Rules for indices

Test - surds and indices (BBC)

Outcome 1.2
Applying algebraic skills to manipulate expressions.

 Removing Brackets

Test  - Expansion of Brackets (BBC)

 Factorising - Highest Common Factor

Factorising - highest common factor (BBC)

 Difference of two Squares

Factorising - difference of two squares (BBC)

 Factorising Trinomials

Factorising trinomials where coefficient of x^2 is greater than 1 (BBC)

 Completing the square

Test - Factorising (BBC)

Outcome 1.3
Applying algebraic skills to algebraic fractions.

 Algebraic fractions

Test - Algebraic fractions (BBC)

Outcome 1.4
Applying geometric skills linked to the use of formulae.

Gradient of a straight line (BBC)

 Arc length and sector area

Test - Circle geometry (BBC)

 Volume of shapes

Test - Volume (BBC)

 Rounding to significant figures