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What is the content of the first book of fourth grade mathematics?
As follows:

Unit 1 Understanding of Large Numbers:

Understanding of the number within 1. 1 100 million (I).

2. Generation of numbers.

3. Decimal counting method.

4. Understand 1 100 million (2).

5. Understand the calculation tools.

6. Calculate with a calculator.

7. Comprehensive exercises will help you understand1100,000.

Measurement of the second unit angle:

1. Linear ray and angle (1).

Measure the angle of 1. 1

Classification of 1.2 angle.

1.3 Draw a corner.

Unit 3 Multiply three digits by two digits.

1. oral multiplication.

2. Write multiplication (1).

3. Write multiplication (2).

4. Write multiplication (3).

Parallelogram and trapezoid.

1. Vertical and parallel (1).

2. Parallelogram and trapezoid.

Divider is the division of two digits.

1. Oral division of labor.

2. Write division.

3. Organize and review.

Unit 6 Statistics.

1. statistics (1).

2. Statistics (2).

3. statistics (3)

Unit 7 Mathematics Wide Angle.

1. Reasonable arrangement (1).

2. Reasonable arrangement (2).

Unit 8 General review.

1. General review-understanding of multiple digits (1).

2. General review-multiplication and division method (2).

3. General Comments-Space and Graphics (1).

4. General comments-space and graphics (2).

5. General review-statistical chart (1).

6. General Review-Statistical Chart (2).