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

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

Finger Math: 9X Rule ... Square a 2 Digit Number Ending in 5 ... Marmalade_Man`s Fantastic Math Tricks

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

a weekly service from B. Lee Clay, archived here by the Math Forum. To subscribe to the BEATCALC mailing list, ... ; Back to Math Tips & Tricks; ... Squaring a 2-digit number beginning with 1

Have you created any mathematics today? ... Natural Math® people use the poster at international education conferences, teacher workshops, kids' rooms, and home-school parent meetings. Ask questions,

Perform some mental "magic" tricks based on math and the calendar. ... Let's call the first number n. Then you know that the next number would be n + 1 and the ... Other Math Lessons by Cynthia Lanius

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).

Category III - Math magic / number tricks ... Under the title Brain Bogglers there are a number of links for math magic. These links tell ways to amaze fellow students with some math tricks.

If you have any more tricks like the ones below, ... When you're faced with a difficult math problem, you always try to reduce the ... But maybe it only works when the top number starts with a 1. Let's try;