# Welcome to

Clever Teach

Students, you can:

- Watch subject-specific videos created by teachers from around the world.
- Download subject-specific articles which include Word, PDF and PPT.
- Find homework set by your teacher.
- Access notes and revision materials from your subject teachers.

Teachers, you can:

- Safely share educational material with students world-wide.
- Find a range of effective resources.
- '
**Donate**' lessons and set cover work with our unique '**lesson plan**' facility. - Set homework.
- Make revision notes accessible.
- Share ideas with fellow teachers.
- Provide resources for 'Flip Learning'

quadratic formula

MIT grad shows how to solve any quadratic equation by factoring. Follow her on Twitter! http://twitter.com/mathbff

MIT grad shows how to factor quadratic expressions. If you want to skip straight to the shortcut trick, jump to 5:06. Follow her on Twitter! http://twitter.com/mathbff

some non-calculator examples of finding an original amount when given an amount that has had a percentage taken from or added to it.

MIT grad shows how to find sin, cos, and tan using SohCahToa

GCSE maths revision lesson on Highest Common Factor (HCF) and Lowest Common Multiple (LCM).

how you find prime factors using the factor tree method

Why do mirrors flip horizontally (but not vertically)?