1, know the abacus, know the names of each part, learn the posture of the abacus and the correct way to hold the pen.

2. Understanding of 0~ 10, disk diagram, bead image diagram, fingering learning, bead thinking and composition decomposition.

3. Direct addition and direct reduction:

First practice on the abacus, add and subtract 3~6 strokes of a number.

One-digit analog mental arithmetic

Two-digit analog mental arithmetic

Three-digit 2~3 different numbers are not added and subtracted.

The significance of abacus mental arithmetic

In the process of abacus mental arithmetic teaching, abacus is the foundation. Through the operation of the real abacus, learners can understand the changes and methods of the four calculations. With the proficiency of skills, the images in learners' minds are gradually established, and the mental arithmetic function is generated through the simulation operation of images (virtual disks), so the mind is regarded as an advanced form of abacus calculation. Abacus and mental arithmetic are like human feet, and you can't choose to walk alone.

Abacus mental arithmetic teaching and training is a healthy and beneficial activity, which not only cultivates children's extraordinary computing ability, but also further develops their intelligence and improves their comprehensive quality. Abacus mental arithmetic teaching is a long-term and complicated system engineering. How to arrange teaching and training time reasonably and adopt scientific and effective teaching methods and training means according to children's psychological characteristics and the formation law of abacus mental arithmetic itself is the key to improve the teaching and training quality of abacus mental arithmetic.