Mathematics is one subject that is a headache for many of us at school. It was a constant source of terror especially during exam days. Mathematics teachers seemed like ruthless terrorists, ever ready to hurl a piece of their mind for every multiplication or division mistake that you made. Going through these simple yet efficient math hacks would make you want to go back in time and improve your grades. Well, that’s not really feasible but these hacks would surely help quicken your calculation-speed the next time if you came across one.

After finding these math hacks, I’m convinced that all those years of being forced to struggle through math class really was just a torture ploy created by evil math teachers everywhere. Check out these amazing math tips and you’ll agree! Watch out though, you may just unleash the inner math whiz you never knew was in you…

### 01. How to Add And Subtract Fractions

Image: ayounes

### 02.How To Figure Out What Day Of The Week Falls On What Date.

20th is 6 because 7 goes into 20 twice, which is 14. 20 – 14 = 6.

2069 is 2 because the leap year code of 2068 is 1 and 2069 is 1 year after, so that’s 2.

Image: lifehacker

### 03. Secret To Remembering The Numbers In Pi

Image: 1000lifehacks

### 04. How To Convert Fahrenheit to Celsius

Image: reddit/quaxon

### 05. How To Figure Out Multiples Of Nine Just count up in the tens column and down in the ones column.

Image: Pinterest / Charles Stirton

### 06. How To Figure Out Percentages

Image: Twitter / LifeHacks