course content

Example 1 on page 76 of the textbook and related exercises in exercise 16.

Teaching objectives

1. Understand the connection and difference between decimal elementary arithmetic and integer elementary arithmetic, master the order of decimal elementary arithmetic, and carry out decimal elementary arithmetic correctly.

2. Experience the application value of decimal elementary arithmetic in real life, gain value experience from it, and strengthen students' confidence in learning mathematics well.

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teaching process

First, review the introduction.

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