ARTICLES

---

ALGEBRA

• Expanding brackets
• Collecting like terms
• Changing the subject of the formula

• Plotting a linear equation (slope & y-intercept)
• Equation of a straight line
• Find the distance between 2 points on a graph

• Parallel or Perpendicular lines

• Inequalities using a Number Line
• Inequalities – Solving for x

• Simultaneous Equation (by Elimination)
• Simultaneous Equations (using Graphs)

• Quadratic formula
• Quadratic curve – Turning point coordinates (Part I)
• Quadratic curve – Turning point coordinates (Part II)

• Equation of a Circle (Part I)
• Equation of a Circle (Part II)

• Nth Term of a Linear Sequence
• Is my Term in the Sequence
• Nth Term of a Quadratic Sequence

NUMBERS

• Negative Numbers – Adding & Subtracting
• Negative Numbers – Multiplying & Dividing

• Rounding (to the nearest… / to a specific significant figure)
• Finding the Upper & Lower Bounds

• Factors, Multiples & Prime Factors
• HCF & LCM

• Indices
• Standard Form Notation

• List of Prime Numbers
• Is it or is it not a Prime Number

• Multipliers
• Percentages
• Ratio (Sharing) & 1:n
• Reverse Percentages

• Fractions – adding & subtracting
• Fractions – multiplying & dividing

• Simple interest vs Compound interest

• SURDS – Rationalise the Denominator

GEOMETRY & SHAPES

• Triangles / Pythagoras
• Pythagoras Theorem – Are you making this mistake?
• Trigonometric Ratios (Sine / Cosine / Tangent)
• Sine & Cosine rules
• Find a missing angle (right angle triangle)
• Find a missing angle (Non right angle triangle)
• Trig Ratios – Must Know Values

• Alternate Segment Theorem
• Circle Theorems (I – III)
• Circle Theorems (IV – VII)

• Parallel lines (Z/F/C angles)

• Bearings – 3 examples

• 2D Shapes – Areas
• 2D Shapes – Circle
• 2D Shapes – Polygons
• 3D Shapes – Volume

• Similar Shapes
• Congruent vs Similar Shapes
• Similar Shapes – Area & Volume

GRAPHS

• Estimate the Area under a Curve
• Scatter Diagrams
• Best Fit on a Scatter Diagram
• Cumulative Frequency Diagram
• Direct & Inverse Proportions

STATISTICS

• Mean, Median, Mode and Range
• Completing a Cumulative Frequency Table
• Quartiles & Interquartile Range
• Range vs. Interquartile Range

PROBLEM SOLVING

• Complex problems … Where do I start…. (i)