Write the number of brothers you have. Multiply by 2. Add 3. Multiply the result by 5. Add the number of sisters you have.

If you have any more tricks like the ones below, send them to the Mathemagician. ... But maybe it only works when the top number starts with a 1. Let's try; 26/65 cancel the 6's to get; 2/5; Again,

These tricks are well suited to the beginner in magic, as they require no skill whatever. ... As twenty is an even number, people who try it will soon give it up. But the magician can do it!

Add fun and enthusiasm to learning with cool and exciting Math Number Tricks. ... Math Number Tricks help teach basic math skills.

In the following questions, you will see how some of the number tricks work and learn to explain them by using algebra.

This trick is based on the number of matches in a matchbook. ... Take an unused matchbook that contains 20 matches and tear out any number of matches, up to 9.

The brain sure knows how to play little tricks on us, doesn't it ... Now try this second number trick:

Square a 2 Digit Number Ending in 5 ... Square 2 Digit Number: UP-DOWN Method ... Marmalade_Man`s Fantastic Math Tricks

Investigate other number "tricks" that let you square numbers whose last digit is 5 (e.g., 352) or square numbers close to 100 (e.g., 942).

I had a number of parents comment at Open House as to how much their family enjoyed working on the tricks after dinner.” — Erik Bennett, 6th Grade Middle School Teacher...