Physical education teaching
Teach him to master concepts with various objects. If you put a bunch of buttons or other things on the table, give one to the child first and ask him, "How many do you have?" The child replied, "I have one." Ask another question, move the object while counting, and teach him that the object corresponds to the number one by one.
Picture teaching
From calculating physical objects to calculating pictures with physical objects. Further transition to using pictures with geometric shapes for calculation. In this process, children should be taught to calculate formulas step by step, so that they can thoroughly understand the digital language.
Oral calculation
Parents can dictate simple addition and subtraction application problems from physical objects and pictures for their children to calculate and gradually transition to 3+2 =? Guide children to learn mental arithmetic.