The ability to solve mathematical problem solution using the concept of the brain is the basis of the student's grade 1 class after school before higher statistical significance level 0.05 .
The ability to solve mathematical problems by using the concept of the brain as a base year of first grade students were higher than pre-test at the significance level of 0.05.
The ability to solve mathematical problems by using the concept of the brain is the base of the first grade pupils 1 after studying the significance level. 0.05 .