I. Fill in the blanks (24 points)
1, three consecutive even numbers, the smallest is x and the largest is (). The sum of these three consecutive even numbers is ().
2. It takes () cubes to put a cube with a length of 3 cm with a small cube of 1 cubic centimeter. The bottom area of this cube is () square centimeters.
The following table is the statistics of the number of sixth-grade students who arrive at school in one day.
Class level (1) Class (2) Class (3)
Number of people to attend 49 48 50
Actual number 48 48 48
Class () in grade six has the highest attendance rate, which is (); Class () in grade six has the lowest attendance rate, which is ().
4. According to the figure, the calculation is: 300 trees.
Peach tree:
? tree
Pear tree:
( ) ( )
5. Touch 1 ball from your pocket.
The possibility of touching the black ball is ()%.
The possibility of touching the gray ball is ()%.
6. The length ratio of red stick to blue stick is 1: 2, and the length ratio of blue stick to yellow stick is 2: 3. There are two sticks, red, blue and yellow. Take out three sticks to form a triangle. You can choose two () color bars and 1 color bar; Or choose two () color bars and 1 () color bars.
7. Fill in the quantitative relationship according to "the price of pencil box is less than the price of schoolbag".
() price × = () price.
8, 40 is (), more than 20 kilograms is () kilograms.
9. The front of a cuboid is a square with a side length of 4 cm, and the right is a rectangle with a length of 5 cm and a width of 4 cm. The surface area of this cuboid is () and the volume is ().
10, 8 chickens and rabbits, with 22 legs. There are () chickens and () rabbits.
Second, the judgment (5 points)
1, there must be more people in class a than in class B. ()
2. ×× =1,the result is wrong. ( )
3. If A is greater than B and B is less than A .. ()
4, a number (except 0) is divided, and this number is expanded fourfold. ( )
5. The reciprocal of the real score must be greater than 1. ( )
Three. Choice (5 points)
1. Use a lead wire of the same length to wind it into the largest circle and then fold it into the largest square. Their area is ().
A, the area of a circle is big B, and the area of a square is big C, which is as big as D and cannot be compared.
2. The side length of a small square is equivalent to 15 of the side length of a big square, and the area of a small square is equivalent to () of a big square.
a、 15 B、 1 10 C、 125
3. Boys account for 25 in Class 6 (1), so girls account for boys ().
A, 35 B, 23 C, 32
4. The current price of a commodity is 200 yuan, which is lower than the original price by 50 yuan, which is lower than the original price ().
a、20% B、C、25%
5. Square is divided into trapezoid and triangle (as shown in the figure).
The upper base of the trapezoid is square. The trapezoidal area is 36 flat.
Square centimeters. What's the square area?
A, 48 square centimeters b, 60 square centimeters c, 72 square centimeters
Four, calculation (29 points)
1, write directly. (5 points)
34 × 12= 1÷35 = 38 ×49 = 23 + 34 = 47 ÷2=
6 -34 = 0÷ 1 1 14 = 75 × 102 1 = 34 ÷ 13 = 45 - 34 =
2. Calculate the following questions (which can be calculated simply). (3×6= 18 points)
35 × 14 + 25 ÷4 89 ×[34 ÷( 13 + 15 )] 6÷34 - 34 ÷6
12 15 ×(56 +34 )+ (23 + 14 - )× 12 36÷( +23 )
3. Solve the equation (2×3=6 points)
x- 14 x = 57 x÷5 14 = 78 7.2-2x = 3.8
V. Operation problems (3+2+ 1+2=8 points)
1, put a cuboid with 12 cubes with side length of 1 cm, and put it in () in different ways, where the minimum surface area is () square centimeter and the maximum is () square centimeter.
2. Fold a 3m-long rope in half for 3 times and cut it along the crease. Every rope is the original () and every rope is () meters long.
The following is an enlarged view of the front, left and bottom of a cuboid. Draw the other three faces of the development diagram and mark which face each face is.
4. The aspect ratio of a rectangle is
4: 3, the length is 6 cm, the width and length are calculated,
Draw this rectangle on the right.
Six, solve the problem (4+5×5=29 points)
1, only the column type is not answered.
(1) There are 120 boys and 15 girls on the playground. How many girls are there?
(2) Dining room 10 uses 4.5 tons of coal, and 1 1 month saves 1 1 month. How many tons are saved?
(3) The actual investment of a project is 3.8 million yuan, which is 200,000 yuan less than the planned investment, and what percentage is saved?
(4) Dongdong bought a bag of flour and ate 20 kilograms, which happened to belong to this bag of flour. How much does this bag of flour weigh?
There are 560 workers in a factory, among which the number of female workers is equivalent to 35 of that of male workers. How many male and female workers are there respectively?
3. Huaxin Mall/kloc-0 sold for 350,000 yuan in early October,125% in mid-October,1late October/4. How much did Huaxin Shopping Mall 10 sell for?
4. Rectangular advertising light box with length of 80 cm, width of 20 cm and height of 130 cm. The frame is made of aluminum alloy strips, and each surface is surrounded by light box cloth. How many decimeters does it take to make such an advertising light box? How many square decimetres of lightweight box cloth do you need?
5. Yongxin Flour Mill processes 100 tons of flour per hour. According to this calculation, how many hours will it take to process 1 ton flour? How many tons of flour can be processed in 34 hours?
6. The school buys a *** 10 for basketball and football, a 40 yuan for basketball and a 60 yuan for football. Fill in the following form completely.
The number of balls needs money.
Five basketballs and five footballs.
A basketball and a football, 460 yuan.
Test paper reference answer
One, per grid 1 minute.
1、x +4 3 x +6
2、27 9
3、2 100﹪ 3 96﹪
4.× = 300× = 180 (tree)
5、25 75
6. Blue, red, yellow and blue
7. The price of pencil case is lower than that of schoolbag.
8、50 25
9, 1 12 square centimeters 80 cubic centimeters
10、5 3
Two. 1, × 2, √ 3, × 4, √ 5, √.
Third, 1, A 2, C 3, C 4, A 5, a.
1, 0.5 point for each question (the answer is omitted)
2, 3 points for each question, 2 points for the process, 1 point. What can be simplified does not score.
3. 2 points for each question, process 1 point, result 1 point.
Verb (abbreviation of verb) 1, 4 32 50
2. (omitted)
3. (omitted)
4. (omitted)
6. 1, (1)120× (1+) (2) 4.5× (3) 20 ÷ (380+20) (4) 20 ÷.
2. There are 350 male employees and 2 10 female employees.
3 1 ten thousand yuan
4. 92 decimeters of aluminum alloy strip and 920 square decimeters of light box cloth.
5. 6,500 yuan per ton/hour 7, 3