It accounts for 35 201012 23100.
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chessman
1. "Clever calculation" is right and fast: (35 points)
1. Number written directly: 5 points (0.5 points for each small question)
① ② ③ ④ ⑤
⑥ ⑦ ⑧ ⑨ ⑩
2. Calculate the following questions, and simplify what can be simplified. 24 points
① ② ③ ④
⑤ ⑥ ⑦ ⑧
3. Solve the equation. 6 points
① ② ③
2. Fill in "Be careful". 20 points (2 points for each small question)
1 decimal unit. Is (), plus () this unit is the smallest prime number.
2. () ÷16 = = () (decimal)
3. The greatest common factor of12 and 18 is (), and the smallest common multiple is ().
4. Divide the 5m-long rope into 9 segments on average, each segment accounts for () of this rope, and each segment is () meters long.
5. Two-digit numbers are not only multiples of 5, but also multiples of 3 and even numbers. The minimum quantity is () and the maximum quantity is.
Yes ().
6. The sum of the sides of a cube is 24 decimeters, its surface area is () and its volume is ().
7. In a shooting training, the shooting times of eight students are as follows:
4, 5, 4, 6, 10, 9, 8, 10.
The average value of this set of data is (), the mode is (), and the median is ().
Xiao Ming, Xiao Li and Xiao Kai read the same article. Xiao Ming spent several hours, Xiao Li spent several hours and Xiao Kai spent several hours.
0.2 hours, () is the fastest.
9. There are 12 apples, of which 1 1 is as heavy, and the other one is lighter, which can be weighed at least () times with a balance.
Be sure to find this apple.
10. A cuboid with length, width and height of 8cm, 5cm and 4cm respectively. After cutting off the largest cube,
The remaining volume is ().
3. Choose a "corresponding seat". (Choose the number of the correct answer and fill in the brackets) 10.
1. A pool can store 430 m3 of water, so we say that () of this pool is 430 m3.
A. surface area b weight c volume d volume
2. The left picture is obtained by () transformation.
A. translation B. rotation C. symmetry D. folding
3. The following statement is true ().
A. unit of volume is greater than the area unit. B. if it is a false score, then a must be greater than 5.
C. a natural number with only two factors must be a prime number. A triangle is a symmetrical figure.
4. There are () odd numbers and composite numbers within10.
A.0 B. 1 C.2 D.3
Add 8 to the molecule of 5. If you want to keep the size of this score unchanged, the denominator should be ()
A. add 30 b. add 8 c. zoom in twice. D. increase by three times.
4. "Hands-on operation" shows its talents. 12 point (2+2+8)
1. Arbitrarily design an axisymmetric figure in the following grid paper and draw its axis of symmetry.
2. Draw the figure of parallelogram ABCD rotating 900 clockwise around point D. ..
3. The following is the monthly average temperature statistics of the two cities from June last year to 65438+February.
(1) According to the above data, complete the following broken-line statistical chart.
What information did you get from the picture? (Write at least two)
①
②
Step into life and solve problems. 23 o'clock (7+4+4+4+4)
1. Xiaoming's family of three went to travel on May 1, and the various expenses of the tour are shown on the right.
(1) What is the percentage of shopping expenditure in total tourism expenditure?
Please ask another math problem and answer it.
2. The road team built a road, with kilometers in the first week, kilometers in the second week, and more in the third week than in the previous two weeks.
Less kilometers, how many kilometers were built in the third week?
3. A rectangular fish pond 8 meters long, 5 meters wide and 2 meters deep should be built in the park.
Cement, 0.8 m2 can be wiped per kilogram of cement. How many kilograms of cement does a * * * need?
4. A story book *** 100 page, Xiaohong read the whole book on the first day, and 20 pages on the second day for two days.
What score?
5. Rectangular water tank, length 10 dm, width 8 dm and water depth 4.5dm.. When a stone is put into the water tank, the water level will rise.
Up to 6 dm. What is the volume of this stone?