Speed math

The Complete Idiot's Guide® to Speed Math provides easy-to-understand methods, tips, and tricks to do math in one's head, on paper, and on a calculator at a faster rate and with more accuracy for anyone who is intimidated by math and for whom such calculations would otherwise require paper...

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Detalles Bibliográficos
Otros Autores: Tekriwal, Gaurav Author (author)
Formato: Libro electrónico
Idioma:Inglés
Publicado: New York : Alpha, a member of the Penguin Group (USA) Inc 2014.
Edición:1st edition
Colección:Idiot's guides.
Materias:
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009627894706719
Tabla de Contenidos:
  • 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.