Look at it! Remember to be serious! ! ! ! !
I'll fill it out (***30 points)
1. 1, the sum of the sides of a square is 60CM, and its volume is () CM3.
2. Students planted trees, 490 trees survived, 10 trees did not survive, and the survival rate was ().
3. A cuboid is just cut into two cubes, and the surface area after cutting is increased by18m2. This cuboid
The size of a child is () cubic meters.
4. The difference between A and B is 80, B is 20 and B is ()% of A. ..
5. Fill in the appropriate unit name in brackets.
Xiao Ming is about 120 (), and the volume of a glass of milk is about 250 ().
The volume of the matchbox is about 8 ()
6、 ( )÷ 16=( )%。
7. Minimum odd number, minimum composite number and minimum prime number. The sum of the reciprocal of these three numbers is ().
8. In a set of numbers 1.67, 1.3, 1.70% and 1.67, the largest number is () and the smallest number is ().
9. A road was built on the first day, but it was not built the next day.
10. Divide the rice into five sections on average, each section is full-length and each section is () meters long.
Second, please be a little judge. (Mark "√" for the right and "×" for the wrong.
1, boys are more than girls 10%, that is, girls are less than boys 10%. ( )
2. A batch of clothes sold 70%, leaving 30%. ( )
3. A cube with a length of 2 cm is 8 times the volume of a cube with a length of 1 cm. ( )
The calculation results of 4 ×3 and 3× are the same, but their meanings are different. ( )
Three, please choose one (16 points).
1, the side length of the cube is expanded by 2 times, and the sum of its side lengths is expanded by () times.
The surface area is enlarged () and the volume is enlarged () times.
a、2 B、4 C、6 D、8 E、9
2, the following figures can't become a percentage is ()
a、0.75 B、 1 10 C、 138
3, in 172, 135, 142,10, 139, 138, 148
The median in is ().
a、 135 B、 1 10 C、 138
4. The fan chart can be (), and the line chart can be ().
First, it shows the change of quantitative culture. B, indicating the quantity of various quantities.
C, show the number relationship between part number and total number, part number and part number.
5. The following figure that can be folded into a cube is ().
Fourth, please do the math problem (27 points)
1, write the number directly (10 points)
1÷ = 0÷ = + = - = 2- =
× = 20%÷ = ×30%= 3.5+ 1.5= 0.5× =
2. Do whatever you want (8 points)
× + ÷3 1 ÷[( + )× ]
÷ - × ×37%+ ×37%
3. Solving equations: (6 points)
( 1-)X = 14 37.5+20% X = 69.5 X-X =
4. Column calculation: (3 points)
0 is more than 2 times of x, and the number of 5 is, find X.
V. Please solve practical problems:
1, a pair of pants, the original price 120 yuan, after the price increase of 30%, the price is reduced by 30% because it is out of season. What's the current price?
2. The following are the test results of the first batch of students in Class One, Grade Five:
Student ID1234556789101112.
Achievement100 85 54 94100 87 73 94 97 86 94 92
1) Find the median, mode and average of this set of data.
2) If a score of 90 or above is excellent, what is the excellent rate of this group of students?
3) This 12 student accounts for the whole school year. How many students are there in the whole school year?
3. Cut four cubes with a side length of 3 cm from the four corners of a 26 cm long iron sheet.
Then connect them into a rectangular iron box, the volume of which is 840 cubic centimeters. This piece of iron
How many centimeters is the width?
4. Build a road, which has been repaired 180m, 60m more than that without repair. How long is the road without repair?