Congratulations on your completion of the first math study. Now it's time to show your learning achievements. Please answer the questions carefully and give full play to them. I believe you are the best!

First of all, I will forget it. (28 points)

1, do oral calculations, and write numbers directly after the topic.

0.9-0. 1= 30×4= 20+38= 63÷7=

804÷4= 2008-208= 5× 10 1= 46+ 153=

16× 1 1= 10.7+0.3= 9 18÷9= 8-0.2=

1.40+2.20= 1500÷5= 63-36= 17×50=

2. Estimate and draw "√" under the answer you think is correct.

3, column vertical calculation, the second problem with multiplication calculation.

① 25× 78 = ② 873 ÷ 8 = checking calculation:

4. Calculate the following questions.

36×34+784 (300-286)×59 32 1-32 1÷3

Second, I'll fill it out. (24 points)

1, Hangzhou Bay Bridge, the world's first sea-crossing bridge, was completed and opened to traffic in May this year 1, with a total length of 36,000 meters, pronounced () meters; The total investment is about11820 million yuan, or () billion yuan.

2. The product of two digits multiplied by two digits is at most () digits and at least () digits.

3. The movements of the following objects are translation painting and rotation painting.

4. The surface () of an object or a closed figure is their area. Common area units are square centimeter, square decimeter and ().

5. Naughty said to Xiaoxiao, "We will share this moon cake equally." "Half" can be expressed in fractions () or decimals ().

7. During the physical examination, Xiao Qiang's height 1.23m, Xiaoming's height 1.30m, and Kobayashi's height 1.32m ... The tallest among them is (), and the shortest is ().

8. If 27× 19 = 5 13 is known, then 19× 27 = () and 27× 190 = ().

9. Judge the possibility of Xiaoming's incident. If you draw a picture √, you can't draw a picture ×, but you can draw a picture √.

/kloc-a gymnastics team of 0/0/48 people lined up for rehearsal. If you want to stand in a square, at least () people should be removed or at least () people should be added.

Third, I can operate. (18)

1, and the side length of each small square in the figure below indicates 1㎝. Please draw a square with an area of 9 and a rectangle with an area of 12 respectively.

2. The National Organizing Committee for the Olympic Games has preliminarily determined that the 29th Olympic Games will officially kick off in Beijing, the capital of China, at 8 pm on August 8, 2008.

Is this a flat year or a leap year? () There are () days in the third quarter.

② Which of the above figures are axisymmetric? Please circle four with "○".

③ Xiaojun insists on long-distance running every day and welcomes the Olympic Games with practical actions. The distance he runs every day for a week is as follows. Please draw a statistical chart according to the table.

This week, Xiaojun ran () kilometers on average every day.

Fourth, I will solve the problem. (30 points)

1. Mom spent 34.20 yuan on shopping, leaving 15.80 yuan. How much money did mom bring?

2. The school held a parent-teacher conference, invited 142 parents, and eight people sat around a table. How many tables do you need to prepare?

3. Mingming took 48 yuan to the supermarket for shopping. Please work out the amount of each item and fill in the blanks on the right.

4. Le Jia Department Store delivered 40 boxes of apples, 40 boxes of oranges, 0/8kg of apples/kloc and 25kg of oranges. How many Jin are these two fruits?

Xiaoming's family is going to lay floor tiles in the 7.2m2 kitchen. There are two kinds of floor tiles to choose from.

Friendly reminder: congratulations, you have finally finished the exam. Please check it again carefully to see if there are any mistakes or omissions, but be careful!