Books & Music
Food & Wine
Health & Fitness
Hobbies & Crafts
Home & Garden
News & Politics
Religion & Spirituality
Travel & Culture
TV & Movies
Math Mnemonics - Memory Tips
Mnemonic is a memory aid used to make a connection between what you know and what you want or need to know. Basically, take the first letter of a series of words and make a sentence. This article will share mnemonics and other memory tips for math, Pre-Algebra in particular.
**Place Value to learn the group names from right to left
Trillions, Billions, Millions, Thousands, Ones
From right to left:
Orangutans Tickle My Big Toe
These mnemonics were created by former students:
Our Teacher Must Break Through
One Too Many Baseball Teams
Place value from Ones to Billions (One Too Many Bills)
** Front End Rounding
The word front means to round to the front numbers place value.
Example: 354 would round to the hundreds place
36 would round to the tens place
Example: round 463 to the tens place
The 6 is in the tens place; look at the next number to determine whether to change the 6 to a 7 or leave it as a 6.
Memory tip: if the next number is five or more, go next door (meaning go to the next number)
Instructify.com voted learnmegood2.blogspot.com s Punch it up as their best mnemonic.
Basically, you need five fingers to make a fist and to punch it up. For instance, 467 rounded to the tens place requires us to analyze the 7. Seven fingers will make more than a fist, thus you can punch it up to 470. For more details read, http://instructify.com/category/mnemonic/
**Multiplying and Dividing with Negative numbers
Compute two numbers at a time same signs the result is positive
- Different signs the result is negative
- Two negatives make a positive
Ignore signs and just multiply or divide. Then, count the number of negative signs.
An odd number of negative signs - the result is negative
An even number of negative signs the result is positive
**Adding with Negative Numbers
Different signs Find theDifference
Alike Signs Add
**Subtracting with Negative Numbers
Change /Transform into an addition problem and follow addition rules
Transform by changing two things
- change subtraction operand to an addition operand
- change the sign of the next number
- Example: -3 5 = -3 + (-5)
Memory tip to remember how to transform Add a Line Change a Sign
More to come...
Content copyright © 2014 by Beverly Mackie. All rights reserved.
This content was written by Beverly Mackie. If you wish to use this content in any manner, you need written permission. Contact Beverly Mackie for details.
Website copyright © 2014 Minerva WebWorks LLC. All rights reserved.