Kindergarten abacus mental arithmetic tutorial video

Kindergarten abacus mental arithmetic tutorial video is as follows: Web link

Let's first understand the learning process of children's abacus mental arithmetic:

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, 0 ~ 10 understanding, disk diagram, pearl image diagram, fingering learning, pearl thinking and composition decomposition.

3. Direct addition and direct reduction:

Practice on the abacus first, 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 or subtracted.

In the process of abacus teaching, abacus is the foundation. Through the operation of true abacus calculation, learners can understand the changes and methods of the four calculation methods. With the proficiency of skills, the image in learners' minds is gradually established. The function of mental arithmetic is generated by simulating images (virtual disks), so mental arithmetic is considered as an advanced expression of abacus calculation. Abacus and mental arithmetic are like human feet. They cannot choose to go alone.

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

Baidu encyclopedia-abacus mental arithmetic