1. Addition and subtraction of multiple digits
Operation examples: including simple examples of multi-digit addition and subtraction, and the calculation process is attached.
Note: Emphasize the concepts of alignment, carry and borrow, so that students can perform operations correctly.
2. Multiplication and division
Multiplication table: Show the multiplication table to help students get familiar with multiplication.
Basic concepts of division: Introduce the basic concepts of division and simple division operations, such as divisibility and remainder.
3. A preliminary understanding of the score
Definition of fraction: briefly introduce the concept and expression of fraction, such as numerator and denominator.
Fraction operation: show a simple example of fractional addition and subtraction, so that students can get a preliminary understanding of the operation method of fractions.
4. Math games and problem-solving skills
Math games: design some interesting math games to help students learn through games and improve their math ability.
Problem-solving skills: provide problem-solving skills, such as finding rules and logical reasoning to solve problems.
5. Mathematical formulas and rules
Operation rules: highlight the basic rules of addition, subtraction, multiplication and division, so that students can master the correct operation order.
Mathematical formula: if there is a simple mathematical formula suitable for grade four, you can introduce and explain its use.
The handwritten newspaper of the second unit of mathematics in grade four can cover all kinds of contents about the theme of the unit. This unit may involve further study of basic mathematical concepts such as addition, subtraction, multiplication and division, and may include addition, subtraction, multiplication and division of multiple digits, preliminary understanding of fractions and so on.
Handwritten newspapers can include charts, examples, simple descriptions and exercises to help students better understand and master the mathematics knowledge of this unit. At the same time, try to make the content lively and interesting, and improve students' learning enthusiasm and concentration.