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!

The Casio fx-991 is the calculator I would recommend for GCSE and IGCSE examinations. You can buy it here or read more detail about this and other calculators in my complete guide to buying the right calculator for school mathematics.

Looking for a maths tutor? Visit the Tutorfair website to find a great online or in person maths tutor. (Please contact me here instead if you are interested in tuition with me.)

## Number – Fractions and Decimals

## Number – Rounding and Bounds

## Number – Primes, HCF and LCM

## Algebra – Quadratics

0. Solving factorised equations (**NEW** 2021)

1. Factorising quadratics (monic)

2. Solving quadratics by factorising

3. Difference of two squares

4. Factorising and solving non-monic quadratics

5. Factorising quadratics using the calculator (**NEW** 2021)

6. The quadratic formula

7. Completing the square

8. Factorising quadratics (exam questions)

9. Solving quadratic equations (exam questions)

10. Quadratics in context (exam questions)

11. Solving quadratic equations on the calculator

## 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)