The four major ideas of primary school mathematics are the combination of numbers and shapes, equivalent transformation, mathematical induction and reduction to absurdity, and the eight major methods are reverse thinking, hypothetical thinking, elimination thinking, transformation thinking, corresponding thinking, associative thinking, divergent thinking and quantity-invariant thinking.

Importance of primary school mathematics

Mathematics has the function of guiding life. On the surface, mathematics is a serious and rigorous subject, but in fact, mathematics affects all aspects of our daily life. We have never left mathematics from birth to eighties, or we can't leave mathematics at all.

Mathematics has been influencing our life imperceptibly, and the mathematical thinking we gradually formed in primary school will also affect our future study and life, so that we can live a more exquisite and happy life.