(Total score: 100.0 Examination time: 63 minutes)
School: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
First, multiple-choice questions: This big question is * * 1 5,1Yes1.0; From the second question to the 10 question, each question is 2.0 points, and the subtotal is 18.0 points; 1 1 item is 3.0 points; From 12 to 15, each item is 4.0 points, and the subtotal is 16.0 points; * * * 38.0 points. 1, the capacity of a bottle of ink is
[ ]
A. liter B. milliliter
C. cubic millimeter gram
2. The radius of a circular flower bed is 2 meters, and the perimeter of this flower bed is _ _ _ _ _ _ _ _ meters.
[ ]
A. 12.56
3, the rate of progress between unit volume is
[ ]
10
C. 100
D. 1000
4. The rectangle is12cm long and 8cm wide. If you cut the largest square from this rectangle, the area of this square is
[ ]
A. 144 cm2 B.64 cm2 C.32 cm2
5. Two straight lines intersect to form (), and they are perpendicular to each other.
A. right angle B. acute angle C.
D. any angle
6. A triangle has two angles with equal degrees. This triangle is
[ ]
A. isosceles triangle
C. right triangle
D. acute triangle
7. The diameter of the small circle is 2 cm, and the radius of the big circle is 2 cm. The area of the small circle is the area of the big circle.
[ ]
A.B
C.
D.
8. On both sides of the corner are
[ ]
A. straight line B. ray C. line segment
9. If a square and a circle have the same area, then
[ ]
A. the circumference of a square is equal to the circumference of a circle.
10, the radius of a circle is 5 cm, then the circumference of a half circle is
[ ]
A. 15.7 cm B.20.7 cm C.25.7 cm
1 1, inch
[ ]
12, Chinese cabbage
[ ]
A.2 tons 900kg B.3 tons100kg
C.2 tons 700 kg D.2 tons 500 kg
13, the thickness of a piece of paper.
[ ]
A.6.4 B.0.6
C.3.6 D.0.7
14、
[ ]
& lt/FONT & gt；
15, Xiaoming sleeps every day.
[ ]
18.75
C.25 D.37.5
Fill in the blanks: This big question is *** 10, from 16 to 18. 1.0 per question, subtotal 3.0; From item 19 to item 20, each item is 2.0 points, and the subtotal is 4.0 points; From sub-topic 2 1 to sub-topic 22, each topic has 3.0 points, and the subtotal is 6.0 points; Items 23 to 25, each with 4.0 points, subtotal 12.0 points; * * * 25.0 points. 1. Make a rectangle with two squares with a side length of 5 cm. Its circumference is () square centimeters and its area is () square centimeters.
2. If the radius of a circle is enlarged by 3 times, its area will be enlarged by () times.
3. 1500ml = () L。
4, 8.47 square meters = () square decimeter = () square centimeter.
A train leaves from A to B at 4: 45pm and arrives at 7: 20am the next day. The elapsed time is () ().
6. When 730 points = (), when () points = ()
7. The acute angle of a right triangle is
8. The sum of the sides of a cuboid is
9, wire length
10, the weight of a duck egg
Third, the calculation question: this big question is *** 1, and the 26th question is 4.0 points; * * * 4.0 points. 1, find the degrees of ∠ 1 and ∠2.
Fourth, the application problem: this big topic is entitled ***5 small questions, and the 27th small question is 3.0 points; Items 28 to 3 1, each with 5.0 points and 20.0 points; * * * 23.0 points. 1, application problem, only column type is not calculated:
Rectangles, squares and circles have equal perimeters. It is known that the rectangle is10cm with a width of 5.7cm.. What is their field?
2. Application questions:
Nanwa Primary School needs to paint 12 classrooms. Each classroom is12m long, 5m wide and 2.8m high. The area of doors and windows occupied by each classroom is 1 1 m2. How many square meters is the area of this painting? (including top surface)
3. Application questions:
Cone mound with a bottom radius of 2m and a height of 0.6m.. Put the sand in the bunker during class. The bunker is 4 meters long and 2.5 meters wide. How thick can it be?
4. Typical application problems:
A book was originally planned to print 270 pages, 24 lines per page and 30 words per line. In order to save money, it was changed to 30 lines per page with 36 words per line. How many pages did this book actually print?
5, application problems:
A bus and a truck set off from Party A and Party B relatively at the same time, and met after 6 hours. The speed of the truck is 50 kilometers per hour, and the whole bus journey 1 1 hour. How many kilometers does this bus travel per hour?
Verb (abbreviation of verb) Other questions: This topic is entitled ***2 small questions, from question 32 to question 33, with 5.0 points for each question and a subtotal of 10.0 point; * * * 10.0. 1. Find the area below (first measure the required data and mark it on the diagram).
(All marking data are in centimeters)
Calculate the area of (1) triangle; (2) the area of the trapezoid; (3) the area of the circle.
2. Answer the following application questions.
The following picture shows the plan of a school playground with the scale of 1∶4500. Measure the length and width of the picture and calculate the actual area of the playground.