Tekriwal, Gaurav, <br/><br/>
Speed math / 
by Gaurav Tekriwal. 
 - xi, 272 pages :  illustrations ;  24 cm. 
 - Idiot's guides, as easy as it gets! .
 - Idiot's guides. .
<br/><br/> "Simple methods for doing math quickly in your head; Shortcuts and tricks for on-paper calculations; Helpful insights to improve your understanding"--Cover.  Includes index. 
<br/><br/>High-speed operations. Multiplication ; Addition ; Subtraction ; Division ; Checking your answers with digit sums -- High-speed math applications. Fractions ; Decimals ; Percentages ; Divisibility ; Squared numbers ; Cubed numbers ; Numbers to the fourth and fifth powers ; Square and cube roots -- Practice problems -- Answer key. 
<br/><br/> Do math more quickly and with more confidence -- with less reliance on paper, apps, and calculators. For people who automatically run to the nearest calculator, Speed Math" teaches tips, tricks, and straightforward methods to doing math at a fast -- and accurate -- rate. Practice examples easily illustrate how even the most math-shy person can better perform calculations. 
<br/><br/><label>ISBN: </label>9781615643165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Arithmetic--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>513.2076