1. The judgment song of the decimal point:
The decimal point is so smooth. Run to the left and the number shrinks. Cross to the right and the number expands. Expand and shrink ten (times), hundred (times), and thousand (times), and move the position one (), two (), three (). ?
2. Determining the unit of length:
With hands stretched out, it is 1 meter, and for a figure-eight pistol, it is 1 decimeter. A fingernail is 1?cm, and a grain of millet is 1?mm. ?
3. Rhymes for determining the number of days in the month:
One, three, five, seven, eighty, thirty-one days will never change; four, sixty-nine, thirty days of winter, February in ordinary years Twenty-eight. ?
4. Multi-digit reading song:
The reading should start from the high position, and read which digit is the number. If there is a zero at the end of each level, do not read it out and remember it. , the other digits are consecutive zeros, just read one. Add ten thousand at the end of the ten thousand level, and add billion at the end of the billion level.
Extended information:
Using numbers as the beginning to vividly describe the shapes of these numbers, and to inculcate some historical knowledge and common sense of life, is very effective in improving children's thinking ability.
Its features are easy to understand and catchy. It progresses from shallow to deep, and some parts are suitable for school-age children to sing. "Number Song" is very popular with children.
The representative works include "The Ballad of Bao Chan".
Reference: Baidu Encyclopedia-Mathematical Song