Publishing House: Longmen Bookstore

Publication date: 2009- 12- 1

Word count: 145000

Folio: large 32 folio

Pricing: ￥ 12.80 I. Location and direction

1. Understand the four directions of east, west, north and south.

2. Know the northeast, southeast, northwest and southwest directions.

Second, divisor is the division of single digits.

1. Oral division of labor

2. One digit divided by two or three digits.

3. Check the division by multiplication

4. Division with 0 in the middle or at the end of the quotient (there is no remainder in the division process)

5. The middle value of quotient or division with 0 at the end (there is a remainder in the process of division)

Organization and review

Third, statistics.

1. Simple data analysis

2. Average

Four, year, month and day

1. Year, month and day

2.24-hour timing method

Practical activities: making almanac

Five, two-digit times two-digit

1. oral multiplication

Step 2 write multiplication

Organization and review

Area of intransitive verbs

1. area and area unit

2. Calculation of rectangular and square areas

3. Promotion rate between area units, hectares, square kilometers

Seven, the preliminary understanding of decimals

1. Understand decimals

2. Simple decimal addition and subtraction

Eight, solve the problem

Practical Activities: Designing Campus

Nine, mathematics wide angle

X. General comments

1. Numbers and Algebra

2. Space and graphics

3. Statistics and probability

Attachment 1: solving problems in this book.

Attachment 2. Solving problems after class in textbooks