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How to Calculate Quickly: Full Course in Speed Arithmetic -Mante
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2012-12-02 00:39:19 GMT
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MANTESH Trusted
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How to Calculate Quickly - Full Course in Speed Arithmetic


Publisher: Dover Publications
Henry Sticker
1955 
Language: English
ISBN-10: 048620295X
ISBN-13: 978-0486202952
192 pages 
PDF
5.09 MB


Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions.



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Comments

Thanks. :) Lots of exercises for kids.
thanks!
Thanks so much 4 this upload
Thank you for helping with my math phobia :)
thanks very much :)
Thanks!
thnx fr the upload