1. Earnestly complete the math part instructed by winter vacation life.

2. independently preview the first and second units of mathematics in the second volume of the fourth grade, and explain them as a small teacher after returning to school.

3. Write two math weekly diaries, which can be used to preview the experience of the first and second units of mathematics in the second volume of the fourth grade, or examples of the close connection between mathematics and life.

4. Draw a mathematical handwritten newspaper, format requirements: A4 paper size, horizontal version, content: it can be the mathematical knowledge you are interested in, or it can be a mathematician's short story.

5. Prepare a workbook, improve the calculation ability, find the questions of multiplying three digits by two digits, dividing three digits by two digits for oral calculation and vertical operation, and then answer them in the workbook. Requirements:

① Practice 10 cross calculation, 2 multiplication formulas and 2 division formulas once, at least 15 times.

(2) Record the time of each calculation.

After the start of school, students' homework will be evaluated and rewarded.

For example: 2013 65438+1Tuesday, October 22nd.

Title: 1. Oral calculation15× 8 = 30 ÷ 30 = 400 ÷10 = (* * *10).

Manual calculation

180×50= 29×436=

637÷25= 550÷60=

Time taken to complete:

Number of correct questions:

6. Students who are interested in the holiday can study the Rubik's Cube and participate in the Rubik's Cube Competition held by the school after the start of school.