Watch this video if you want to learn how to do this simple maths puzzle or set a challenge for your kids. Make all the number pairs add up the number in the middle – 18!

The answer is included in the video so go ahead and watch to show your family and friends how clever you are.

On our OneHowTo youtube channel you can find anything you can think of doing, learning,enjoying and advising. On OneHowTo we want to show you how to draw, apply makeup, children’s games, decoration tips, music, languages, experiments, handcraft, dance and many other things.

Subscribe to ONEHOWTO –
OneHowTo web –
Our Facebook –
Our Twitter –

On OneHowTo we advise Internet users so they find the best solution to their daily problems. That’s why we want you to be part of the OneHowTo team and help us help others with tips and recommendations to solve daily problems and doubts. At the same time, you’ll find what you need to know and, if you don’t find it, let us know so we can expand our offer of solutions.

source