The effect of two strategies for teaching mental arithmetic to classmates Fifth primary

Abstract

Mathematics is the language of science and is one of the basic components of all natural sciences. Mathematics is of great importance because it is a tool for organizing ideas and understanding the life around us, and its importance is evident in helping us solve the life problems that confront us. Or the calculator, or it is done in fat, so the educational authorities concerned with the development of mathematics have realized that the challenge that mathematics teachers face today is to pay attention to the development of fat arithmetic, especially in the first stage of the study, as this requires teachers to focus on how their students think mathematically and how to learn mathematics functionally.