| Description |
xi, 272 pages : illustrations ; 23 cm |
| Series |
Idiot's guides, as easy as it gets! |
|
Idiot's guides.
|
| Note |
Includes index. |
| Summary |
"Simple methods for doing math quickly in your head; Shortcuts and tricks for on-paper calculations; Helpful insights to improve your understanding"--Page 1 of cover. |
| Contents |
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. |
| Subject |
Arithmetic.
|
|
Arithmetic -- Problems, exercises, etc.
|
| ISBN |
9781615643165 |
|
1615643168 |
|
