2.()⊙32 =()⊙()= (decimal)
3. Fill in the appropriate numbers in the brackets.
5 cm=( )m 48 ml=( ) cm? () L = 2540
In order to help the Sichuan earthquake-stricken area raise money, Zhang Ming took a 4-meter-long cube box as a "love" donation box. The sum of all sides of this box is () decimeter, and its volume is () cubic decimeter.
5. Use points on a straight line to represent the following scores.
6. Two digits are both multiples of 2 and 7. The minimum quantity that meets the requirements is (), and the maximum quantity is ().
7. Divide the 6-meter-long rope into 4 segments on average, each segment accounts for () of this rope, and each segment is () meters long.
8. In a shooting training, the shooting times of eight students are as follows: 5,10,4,10,5,7,10,6. The average value of this set of data is (), the mode is (), and the median is ().
9.( 1) The pointer starts from "1" and rotates 30 clockwise around the O point, then points to ().
(2) The pointer rotates counterclockwise from "1" around point O by 45 and then points to ().
10, Dahua, Xiaojin and Wang Da read the same article, Dahua spent hours, Xiaojin spent hours, Wang spent 0. 15 hours, () was the fastest.
1 1, there are 9 bottles of oil, 8 of which are of the same quality, and the other bottle 1 is water (slightly heavier), which can be found at least () times.
Scorer 2. Choose an answer. (9 points)
1, Fang Hao drank a glass of milk of about 240 () in the morning.
A, cubic decimeter b, liter c, milliliter d, cubic meter
2. In the following statement, () is wrong.
A and 4 are multiples of 4. B, 4 is the common factor of 4 and 8. C, 4 is the least common multiple of 4.
3. There are () real scores less than and greater than.
A, 1 B, 3 C, 10 D, countless
4. There are () odd numbers and composite numbers within10.
a、0 B、 1 C、2 D、3
5. The left picture is obtained by () transformation.
A, translation b, rotation c, symmetry d, folding
6. The figure below () cannot be folded into a cube.
A, B, C, D,
Grader III. Judge whether it is right or wrong. (10)
1, the side length of the cube is expanded by 5 times, and the surface area is expanded by 5 times. ( )
2. Add 1 to the numerator and 1 to the denominator, so that the size of the score will not change. ( )
3. Because =, and have the same decimal units. ( )
4. Only 1 score is greater than or less than. ( )
A multiple of a number must be greater than its factor. ( )
Grader 4. Calculation results. (24 points)
1, write directly. (8 points)
-= -= += 1-=
-= -= += -=
2. To calculate the following questions, you need to specify the basis for simplification. (10)
+- -(-)
++3- (Be brief)
3. Column calculation. (6 points)
(1) What's the difference between the sum of subtraction? (2) more than one number, find this number.
Grader 5. Draw a picture. (6 points)
1, draw the axial symmetry diagram of the left diagram.
2. Look at the triangle on the right, translate it (right) and then rotate it to draw a pattern.
Give people grades and grades. Solve practical problems. (28 points)
1. If the emergency repair team completes all the tasks on the first day, it will complete all the tasks less than on the first day, and the rest will be completed on the third day. What percentage was completed on the third day?
2、
After the two cars start at the same time, how many minutes will it take at least before the two cars start at the same time for the second time?
Students in Grade 3 and 3 clean up "white pollution". The situation of picking up plastic bags is as follows:
Class 654
Quantity kg kg kg
How many kilograms of plastic bags did you pick up in grade three?
4. After four cubes with the same size are glued into a cuboid (as shown in the figure), the surface area is reduced by 12 square decimeter, and the surface area and volume of the cuboid are calculated.
5. A rectangular glass container, measured from the inside, is 3 decimeters long and 2 decimeters wide. Pour 7.5 liters of water into the container, and then put an apple into the water. At this time, the water level in the container is 13.4 cm. How big is this apple?
6. The following is the salary table of employees of Scenery Company for one month:
Name and post salary/yuan Name and post salary/yuan
Sheng Xin, general manager, has more than 5,800 employees and more than 900 employees.
Cai Li employees 900 Liu Lei employees 900.
900 employees in Xu Lang and 900 employees in Zhang Meifen.
Zhang Han employees 900 Lv Xiqing handyman 700
Which data do you think is more suitable to represent the average level of employees in the company? Tell me why.