LazyMaths

[Speed Math] CHECKING SUBTRACTION-5

January 19, 2012 | Author

Here’s an example of a SPEED MATH shortcut for CHECKING SUBTRACTION: (Check) Sub from the CHECKING ANSWERS category.

Make sure to check out SEED NUMBER CONCEPT to understand how Seed numbers are calculated.

Checking Subtraction

When can I use this method?

For checking any Subtraction.

This method can also be used to check problems with a combination of additions and subtractions also.

Read the rest of this entry »

VN:F [1.9.14_1148]
Rating: 10.0/10 (1 vote cast)
VN:F [1.9.14_1148]
Rating: 0 (from 0 votes)
Posted in (Check) Sub, Checking Answers, LazyMaths, Speed Math | Tags: , , , | No Comments »
Donate to LazyMaths

Help us keep this site free!

Get Free Math by Email


Translate
EnglishFrenchGermanItalianPortugueseRussianSpanish
Contact Us | Terms of Use | Trademarks | Privacy Statement
Copyright © 2012 LazyMaths.com. All Rights Reserved.

Powered by WordPress and WordPress Theme created with Artisteer.