Class name _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

1. Fill in the blanks. (2 1 minute, 1 minute per space)

1. The side of the cylinder is a () along the height direction, and its length is equivalent to the length of the cylinder ().

2. The two external terms of proportion are reciprocal. If one of the internal items is 1.5 and the other is ().

3. The scale of rewriting into numerical value is ().

4. The length ratio of color ribbon to red ribbon is 5: 7. The flower ribbon is shorter () () than the red ribbon, and the red ribbon is longer () ().

5. If the picture on the right is an expanded diagram of a cube, the number marked on the reverse side of A is ().

6.A× 12=B×5，A:B =():()；

7. A rope, used, the ratio of used and remaining is (), and the remaining is the total length.

8. The diameter of the bottom of the cylinder is 4cm, the height is 5cm, the surface area is () cm2, and the volume is () cm3.

9. The number of students in Class 6 (4) is between 40 and 50, and the ratio of boys to girls is 4: 5. There are () boys and () girls.

10. The volume ratio of a cylinder with equal bottom and equal height to a cone is (): ()

1 1. On the map, 3 cm represents the actual distance of 3600 meters. The scale of this map is (), and the distance between Party A and Party B is 600 meters. The distance on this map is () cm.

12. A cylindrical glass fish tank with a bottom diameter of 20 cm. After the fish in it is fished out, the water level drops by 2 cm, and the volume of the fish is () cubic centimeters.

Second, multiple-choice questions (10)

1, the cube, cylinder and cone on the right have the same area and the same height. The following statement is correct ().

The volume of a cylinder is smaller than that of a cube.

B, the volume of the cone is equal to the volume of the cube.

C, the volume of a cylinder is equal to the volume of a cube.

2. The ratio of the sides of two cubes is 1: 2, and the ratio of their volumes is ().

a、 1:2 B、 1:4 C、 1:8 D、 1: 16

3. The ratio of energy to 12: 15 is ().

a、5:4 B、4:5 C、 13 : 14 D、 14 : 13

4. A precision part drawn on the drawing is 2.6 mm long and 26 cm long. The scale of this part drawing is ().

a、 10 ∶ 1 B、2.6∶26 C、 1∶ 100 D、 100∶ 1

5, in the same circle, the circumference and diameter of the circle is ()

A, proportional to B, inversely proportional to C, out of proportion

Third, the calculation problem. (32 points)

1. Write directly. (8 points)

60%-45% = 0.3 = 20÷0.0 1= 0.25×0.2

7÷47 = 23 × 14 = 58 + 12 = 47 ×57 ÷57 ×47 =

2. Calculate the following questions, and simplify what can be simplified. (12)

25×32× 1.25 7 13 × 12+ 7 13 ( 56 + 34 )× 12 25× 12÷4

3. Solve the equation. (12)

45 X+2 15 X = 23 25:X = 18:9 10 20:0.4 = 5:X

Fourth, the operation questions. (9 points)

Take the street park as the observation point, measure, fill in and draw pictures. (in centimeters)

(1) The town government is located () meters away from the street park;

(2) The plot is located at () meters in the direction of () Street Park;

(3) The gas station is in the direction of Street Park () ();

(4) The Children's Palace is located at 60150m southwest of Jiexin Park. Please point out the location of the children's palace in the picture. (2 points)

Verb (abbreviation of verb) problem solving (5 points for each question, ***29 points)

1. A cylindrical uncovered tin bucket with a bottom diameter of 4 decimeters and a height of 5 decimeters. How many square decimetres of iron does it take to make this barrel? If the weight of water per cubic decimeter is 1 kg, how many grams of water does this barrel contain?

(6 points)

There are 8 chickens and rabbits. They have 22 legs. How many chickens and rabbits are there? (4 points)

3. The male-female ratio of Lai 'an Primary School Art Troupe is 2: 9. There are 12 boys in the art troupe. How many girls are there? (4 points)

4. On the map of1:8000, the distance from Minghua Primary School to Children's Palace is 5cm. What is the actual distance? (4 points)

In a vegetable field, there are four kinds of vegetables (pictured): green pepper, cucumber, towel gourd and eggplant.

Luffa planting area is 200 square meters. (6 points)

(1) The planting area of eggplant accounts for ()%, which is () square meters?

(2) Green pepper planting area accounts for ()%, which is () square meters?

(3) The planting area () is () square meters more than that of loofah?

6. The cone-shaped sand pile has a bottom area of 24 square meters and a height of 1.2 meters. Fill a cuboid bunker 7.5 meters long and 4 meters wide with this pile of sand. What is the thickness of sand in the bunker? (5 points)