The sixth grade mathematics first volume ability promotion examination paper

Fill in the blanks.

1, if x is the smallest nonzero natural number, y is the smallest prime number, and z is the smallest two-digit composite number, then x+y+z= ().

2. Divide 1m into two parts, each part is its () and each part is () m. ..

3. The school will have a holiday from July 15 to September 1 Sunday, with a holiday of () days.

4. The action of opening the drawer is (), and the action of each fan blade is ().

5. In 3: 2, if the former item is added with 6, the proportion should remain unchanged, and the latter item should be added with ().

6. The isosceles trapezoid has () axis of symmetry, the equilateral triangle has () axis of symmetry, and the circle has () axis of symmetry.

7.A = 2× 2× 5, B = 2× 3× 3, the common divisor of A and B is (), and the least common multiple is ().

8. The number of boys is 20% less than that of girls, and the ratio of male to female is ().

9. The distance between Party A and Party B is 1350km, and () cm should be drawn on the map with the scale of 1: 30000000.

10, carefully observe the following figures and fill in the appropriate figures.

( 1)2,3,5,8, 12,( ),23,……

(2)2,6, 12,20,( ),42,……

1 1. It takes 5 seconds for the train to pass the road sign, 20 seconds for the 300-meter bridge and () seconds for the 800-meter tunnel.

12. It takes 4 days for Party A to complete the same work alone, and 5 days for Party B. The work efficiency of Party A is ()% of that of Party B..

13. After sawing a 2-meter-long cylindrical wood into three small cylinders, their total area increased by 12.56 square decimeter, and the original volume of this wood was ().

Second, judge.

1. If two numbers are coprime, then there is at least one prime number in them. ( )

2. The circumference of a circle is proportional to its diameter. ( )

3. Draw a rectangle into a parallelogram with equal area. ( )

4. The sum of subtraction and difference is equal to the sum of minuend, subtraction and difference. ( )

5. After a number increases by 15%, it decreases by 15%, which is still the original number. ( )

6. Two triangles with the same area can definitely form a parallelogram. ( )

7. A cuboid with equal base and height and a cylinder must have the same volume. ( )

8.5 kilograms of water and 500 grams of sugar, sugar accounts for sugar water. ( )

9.a is an integer, and its reciprocal is1/A. ()

10 The circumference and area of a circle with a radius of 2 cm are equal. ( )

Third, choose.

1, Xiaoli is shorter than her mother by acm and her father is taller than Xiaoli by bcm. It is known that A > B, and her parents are taller. The correct situation is ().

A, dad is (a+b)cm taller than mom.

B, Dad is (a-b) centimeters taller than Mom.

C, mom is (a-b) cm taller than dad.

D, not sure who is tall

5 athletes take part in the table tennis competition. Every two students shake hands before the game, and they shake hands once.

Answer, 5

b、 10

c、 15

3. The diameter of the circle and the side length of the square. The area of this circle () The area of this square.

First, greater than

B, less than

C is equal to