1 has different concepts: "Pronunciation" is used to represent numbers in Chinese capitals, and "123" is pronounced as "123". "Writing" means using Arabic numerals to represent numbers, and "123" means "123".
2. Different application scenarios: "Pronunciation" is used to describe the actual meaning of numbers, and the number "123" needs to be pronounced as "123". And "writing" is more used in mathematical calculation. "How much is 123 plus 456?" The number is written, that is, "123+456=579".
3. Different teaching meanings: the teaching of "reading" can help students establish the connection between numbers and practical meanings, and cultivate their sense of numbers and language expression ability. Through the teaching of "writing", students can master the writing norms of numbers and improve their mathematical operation ability.