According to Kate Snow, author of The Math Facts That Stick series, all you have to do is divide your check amount by five.

Learning basic math facts is a critical step that allows children to progress efficiently to higher levels of mathematical thinking. If a middle-school student cannot quickly recall basic facts ...

students who haven’t memorized basic math facts will struggle with higher-order math. The reason has to do with the limited nature of working memory, the aspect of our consciousness where we ...

Even children who did well in their early school years -- easily learning basic arithmetic and math facts -- may reach fourth grade and suddenly find math next to impossible. Integration is an ...