<p>GCSE Foundation or Higher students.<br /> Covers problem solving questions on LCM and HCF.<br /> Describes what the question is exactly asking, strategies to solve it and potential pitfalls. It critiques potential solutions and discusses which are adaptable for other questions.</p>

Matrix multiplication using rwo 3by3 matrices. Can be extended for 2by2 by placing 0 in the cells you do not want. Can easily be extended to cover varying columns and rows.<br /> FP1/FP2 Year 12-Y13 any syllabus.<br /> V. Walker

<p>Ideal revision material for AS Maths on Circles and Straight lines. Based on Edexcel but useful for AQA and OCR exams.<br /> Fully worked solutions for questions on circles and straight lines. Includes</p> <ul> <li>completing the square,</li> <li>determining the equation of a circle.</li> <li>points of intersection.</li> <li>gradients and perpendicular gradients.</li> <li>equations of tangents and normals.</li> <li>Areas of shapes</li> <li>Pythagoras - to find lengths of lines.</li> <li>Mid-points</li> <li>Chords intersecting at the centre of a circle.</li> </ul>