Below you can find teaching videos on all GCSE and IGCSE Mathematics topics. There is also a page of Past Papers for Edexcel IGCSE which includes video solutions for 3 full practice papers for the new 9-1 syllabus and another page of practice exam questions by topic with video solutions!

## Number – Fractions and Decimals

## Number – Rounding and Bounds

## Number – Primes, HCF and LCM

## Algebra – Quadratics

1. Factorising quadratics (monic)

2. Solving quadratics by factorising

3. Difference of two squares

4. Factorising and solving non-monic quadratics

5. The quadratic formula

6. Completing the square

7. Factorising quadratics (exam questions)

8. Solving quadratic equations (exam questions)

9. Quadratics in context (exam questions)

## Algebra – Expressions, Equations and Inequalities

## Algebra – Simultaneous Equations

## Algebra – Direct and Inverse Proportion

## Calculus – Differentiation (IGCSE)

## Algebra – Functions

## Algebra – Graphs

1. Plotting graphs

2. Straight line graphs y=mx+c

3. Plotting graphs using a table of values

4. Graphs you need to know

5. Plotting graphs (exam questions)

6. Using graphs to solve related equations

7. Harder graphs exam questions

8. Straight lines (exam questions)

8. Speed distance and time (exam questions)