Really?

The record for folding a piece of paper repeatedly in half is 12 times - and the paper was a piece of tissue 1.2km long! If you try it with normal paper, it just gets too thick to fold any more.

Time

A year isn't exactly 365 days - it's 365.2564 days, that's why there is a leap year every 4 years.

Did you hear about the mathematician who's afraid of negative numbers?

He'll stop at nothing to avoid them.

HCF and LCM

We calculate Highest Common Factor and Lowest Common Multiple, but why don't we ever calculate Lowest Common Factor and Highest Common Multiple?

Because the Lowest Common Factor would always be 1, and the Highest Common Multiple would always be infinity!

Fashion Choices

There are 177 147 different ways to tie a tie!

Time

There are 86 400 seconds in a day.

I called a local restaurant the other night and said, 'Do you do takeaways?'

They said 'Yes', so I said

'what’s 49652 minus 987?'

Temperature

-40 is the only temperature that is the same on both Fahrenheit and Celcius scales.

Quadrilaterals

If you draw any 4 sided shape with straight sides, mark the exact centre of each side, and then join them together, you'll get a perfect parallelogram.

Remember, rectangles, squares and rhombuses are all special examples of parallelograms.