There is "a" before the number, write the number; "Ge" is followed by the unit of measurement, written in Chinese characters.

10 is ten, 10 is one hundred, 100 has one 100.

2, reading and writing numbers are from a height, reading Chinese characters, writing numbers:

3. From the right, the first number means several ones, the second number means dozens, and the third number means hundreds.

4. The maximum digit is 9, the minimum digit is 10, the maximum digit is 99, and the minimum digit is 100.

The rule of writing numbers is to start from the right. The first number is one and the second number is ten. There are 1 ten tens of writing 1, two tens of writing 2, and several tens of writing a few. Both reading and writing start from a high position. The first-year students of mathematics mainly study the understanding and writing of numbers within 20. After mastering this rule, it will be relatively simple to learn to read and write large numbers in the future.

note:

The same number represents different values because of different digits. For example, if Arabic numerals are used to represent numbers, the same' 6' in the tenth place is six tens, in the hundredth place is six hundred, in the hundredth place is six hundred, and in the hundredth place is six hundred million.

The counting unit on "unit" is "one", the counting unit on "ten" is "ten" and the counting unit on "hundred" is "hundred", so look at the numbers first and then look at the counting unit. For example, 9063200 is pronounced as 9063200, and 10,000 and 100 are counting units.