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## Video: Mental Math: Multiplying Two-Digit Numbers

###### May 22, 2012

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Since you can't use a calculator on the GMAT Quantitative section, one of the worst time-management bottlenecks for many test-takers is simple arithmetic. This is one technique that I've used for years to multiply two-digit numbers more quickly, accurately, and intuitively. Enjoy!

**About the author:** *Jeff Sackmann has written many
GMAT preparation books, including the popular Total GMAT Math,
Total GMAT Verbal, and GMAT 111. He has also created
explanations for problems in The Official Guide, as well as
1,800 practice GMAT math questions.*

Total GMAT Math
The comprehensive guide to the GMAT Quant section. It's "far and away the best study material
available," including over 300 realistic practice questions and more than 500 exercises! |