Lesson: Multiplying by Doubling and Halving

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I'm really enjoying these videos. Thanks!
gmat-admin's picture

Glad to hear you're enjoying them!

Great techniques. Thank you very much.
gmat-admin's picture

Thanks for that!

After this video, I had an "AHA!" moment lol, Thanks GMATPrep!
gmat-admin's picture

Good to hear!

Thank you

very cool, thanks

Very good and simple technique..
I liked it very much and it is very easy..
Thank you very much for explaning this technique..

nice .. i am gaining confidence step by step...

are the se all videos enough for decent scores as i dont want to waste my time on random resources ?
gmat-admin's picture

Yes, our course covers every concept and strategy necessary to beat the GMAT.

This is a great strategy!
Rashad046's picture

Although it has been more than 20 year ago, since I last sit math exams I do enjoy learning it againg with these videos
gmat-admin's picture

Glad to hear it!

Just to confirm this only works on products correct?
gmat-admin's picture

That's correct.

Euro's picture

good video

Alternatively, prime factorization for the numbers under the root =)
gmat-admin's picture

Yes, we could! That concept is covered later in the course, so I didn't discuss in this video.

These videos are such helpful! Wonderful job team. Kudos

Very easy and interesting techniques to learn

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