Name and grade of school class
1. Multiple choice questions: Please put the serial number of the correct answer in brackets (2 points for each small question, *** 12 points).
1, and the score equal to the score is ().
A, B, C, D,
2. The lowest common denominator of 2.sum is ().
a、24 B、 12 C、8 D、4
3. The simplest true fraction with denominator of 9 is ().
a、 1 B、6 C、8 D、9
4. In the following calculations, the closest result to 1 is ().
a 、+ B 、- C 、+ D 、-
5. The construction team built a section of road, the first day, the second day, and the remaining section ().
A, B, C, D,
6, the following plane graphics, can be spread is ().
A B C D
True or false: mark "√" for the right and "×" for the wrong (2 points for each small question, *** 10).
7、 1- + =0。 …………………………………………………( )
8. After dividing the score, the size and unit of the score remain unchanged. ……( )
9. The numerator and denominator of the score are multiplied or divided by 20, and the size of the score remains unchanged. ……( )
10, there is only a fraction of small ratio and large ratio. ………………………( )
1 1, Sprite 2 liters, drank 1 liter, and left 1 liter. ………………………… ( )
Third, fill in the blanks. (19)
12、 = =( )÷( )=
13. Fill in the simplest score.
25 kg = ton 12 min = 75 hectares per hour = square kilometers.
14. Fill in "-","-"or "=" in the box.
0.5
15, color box.
16, and fill in the appropriate numbers in the box as it is.
17, the simplest fraction, is obtained by adding 1 to the molecule and dividing it; If you subtract the molecule from 1 and get it after the divisor, the simplest score is ().
Fourth, the calculation problem. (***26 points)
18, write numbers directly. (8 points)
1- = + = - = + =
- = - = + = + =
19, calculated by a simple method. (9 points)
+( + ) + - + + +
20. Solve the equation. (9 points)
+x= 1 x- = x+ =
5. Statistical issues. (12)
2 1, the following statistics show that this year's "five? The highest temperature in Nanjing and Beijing during Golden Week. (8 points)
29 30 32 32
25 28
2 1 23
18
(1) The maximum temperature difference between Nanjing and Beijing is the largest on () and the smallest on ().
(2) From May/KLOC-0 to May 7 in Nanjing, the average temperature is () degrees Celsius.
(3) The highest temperature in Beijing () rose the most the next day.
(4) What information can we learn from the pictures? (Write at least 2 articles)
22. The following is the sales statistics of liquor and beer in Hongyu Supermarket in the first half of 2006. (4 points)
Statistics of alcohol and beer sales in Hongyu supermarket in the first half of 2006
time
Chinese hard liquor
1 February March April May June
(1) Looking at the statistical chart, what do you find?
(2) If you are the department head of this supermarket, what are your plans for operating these two commodities in the first half of 2007?
Sixth, solve the problem. (2 1)
23. Uncle Zhang's family has a piece of land for growing corn and sorghum. How much of this land is used to grow these two crops? (6 points)
24. Qingqing Food Store has three cold drinks of the same quantity. The sales situation on Friday is as follows.
Sell, sell, sell.
What more drinks should this food store buy? Why? (6 points)
25, the school prepares for "six? Organize students to carry out recreational activities on Children's Day. The following are some statistics of students' favorite entertainment projects:
Catch a circle of fish, guess riddles and draw a nose.
Proportion of total number of students
(1) What percentage of the total population prefer iron rings to riddles? (3 points)
(2) From the above four items, choose two that you like better (tick "√"), and then compare them with the other two to figure out how different they are. (3 points)
26. Ming Ming drinks a bottle of juice and finishes it in four times. I drank a bottle of juice for the first time and then filled it with water; I drank a bottle for the second time and then filled it with water; I drank half a bottle for the third time and filled it with water. Swallow it for the fourth time Do you drink more juice or water? Why? (3 points)