“The number is the essence of all things.”

This quote by the Greek philosopher and mathematician Pythagoras illustrates how important it is to have a good understanding and familiarity with numbers. We’d like to help you and your family master the numbers game with number-learning tips and cool tricks for future mental arithmetic champions, and discover the world of numbers together.

The world of numbers

The world of numbers
Whether on clocks, buses or price tags in the supermarket: numbers are everywhere around us. They give us direction and help us describe things and work out how everything is connected. An important – if not always beloved – part of the world of numbers is math or arithmetic. To help appease little math grumblers and give arithmetic enthusiasts some tasty food for thought, we’ve come up with some exciting stuff, including games that make solving math problems fun, interesting and surprising facts about numbers and some very fascinating numbers from everyday life.

Videos

10-time mental calculation world champion Dr. Dr. Gert Mittring shows fascinating math tricks.

"ergobag loves numbers". Math Trick number 1: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to multiply and divide by nine very easily using your fingers.

"ergobag loves numbers". Math Trick number 2: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to subtract large numbers from 100 and 1000 faster than your friends. Calculators are not allowed, of course.

"ergobag loves numbers". Math Trick number 3: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to remember numbers very easily.

"ergobag loves numbers". Math Trick number 4: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to figure out if you have enough money when you go grocery shopping.

"ergobag loves numbers". Math Trick number 5: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to multiply two-digit numbers by 11 very easily.

"ergobag loves numbers". Math Trick number 6: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to multiply numbers that are greater than five and smaller than ten.

"ergobag loves numbers". Math Trick number 7: 10-time mental calculation world champion, Dr. Dr. Gert Mittring shows you in this video how to divide numbery by five in your head.

From our blog

ergobag in figures

What fascinating facts will come out if ergobag is expressed in figures? See for yourself!

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