Count fast and easy

Eduardo Carriazo Paz, Luis Fernando Rodríguez, "Count fast and easy"
English | 2012 | ASIN: B008DY1JKK | EPUB | pages: 59 | 1.4 mb
Count fast and easy is a wonderful alternative to learn math leaving behind the memorization of annoying tables. This book makes part of a collection named Imaginative math, which becomes an alternative way to learn and teach arithmetical operations by means of the students’ imagination.