There are several kinds of numbers, and Arabic numerals are the most common one. Arabic numerals were not invented by Arabs, but by Indians. In fact, it should be listed as Hindi, but it spread to Arabia first and then to the world, so it is called Arabic numerals. Numbers are written symbols used to represent numbers. Different counting systems can use the same number.

1, Arabic: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

2. Writing methods of digital Chinese characters: one, two, three, four, five, six, seven, eight, nine and ten.

3. Writing method of RMB amount: 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10.

4. English writing: one, two, three, four, five, six, seven, eight, nine, ten.

5. Roman numerals: one, two, three, four, five, six, seven, eight, seven and nine.

The benefits of mathematics

1. Mathematics is the foundation of all sciences, and all major scientific and technological progress is closely related to mathematics. Without mathematics, there would be no computers, televisions and space shuttles, and there would be no such colorful life today.

2. Mathematics is a tool discipline, which is the basis of learning other disciplines and also a discipline to improve people's judgment, analysis and understanding.

Mathematics is not only a science, but also a universally applicable technology. It is the door and key to science. Learning mathematics is a very important measure to make oneself rational, and mathematics itself has its fun.

4, mathematics can make thinking about any problem more detailed, and there will be no thinking obstacles. It can also make the brain reflect flexibly and deal with emergencies more rationally.

5. Mathematics gives people not only knowledge, but also ability, including observing experiments, collecting information, inductive analogy, intuitive judgment, logical reasoning, modeling and accurate calculation. These abilities and training will benefit people for life.