How To Calculate Quickly
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Language: en
Pages: 192
Pages: 192
Type: BOOK - Published: 2013-04-15 - Publisher: Courier Corporation
Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, mental division of large numbers, more. Also numerous helpful shortcu
Language: en
Pages: 211
Pages: 211
Type: BOOK - Published: 1955-01-01 - Publisher: Courier Corporation
A number sense approach to the four basic operations of arithmetic together with fractions and decimals
Language: en
Pages: 306
Pages: 306
Type: BOOK - Published: 2008-06-03 - Publisher: Crown
These simple math secrets and tricks will forever change how you look at the world of numbers. Secrets of Mental Math will have you thinking like a math genius
Language: en
Pages: 304
Pages: 304
Type: BOOK - Published: 2013-04-09 - Publisher: Courier Corporation
Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without
Language: en
Pages: 272
Pages: 272
Type: BOOK - Published: 2011-03-01 - Publisher: Souvenir Press
Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackl