Tekriwal, Gaurav.
Speed math / by Gaurav Tekriwal. - New York, New York, USA : Alpha, a member of Penguin Group (USA), [2014] - xi, 272 pages : illustrations ; 23 cm. - Idiot's guides, as easy as it gets! .
Includes index.
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.
1615643168 (paperback) 9781615643165 (paperback)
Arithmetic--Problems, exercises, etc
Arithmetic
Speed math / by Gaurav Tekriwal. - New York, New York, USA : Alpha, a member of Penguin Group (USA), [2014] - xi, 272 pages : illustrations ; 23 cm. - Idiot's guides, as easy as it gets! .
Includes index.
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.
1615643168 (paperback) 9781615643165 (paperback)
Arithmetic--Problems, exercises, etc
Arithmetic