Kneeling,,, 20 13-20 14 answers to the final examination paper of the fifth grade mathematics unified examination in Guihua Primary School, Shantou City, Guangdong Province-

First, think about it. I'll fill it out. (20 points)

The product of 1 and 5.04×2. 1 is a decimal (); The quotient of 22.6÷0.33, with one decimal place reserved, is about ().

2, will protect

stay

Yes (), reserved

Yes ().

Fill in ">" < or "=" in the circle below.

3.25×0.98 3.25 A ÷0.97 A (A≠0)

0.75÷0.5 0.75×2

4. A classmate's ID number is 510402199703155221. This classmate was born on () of () year, and her gender is ().

5、

Buy 4 pens, one yuan each; I bought five more exercise books at B yuan each. The amount of money paid by a * * * can be expressed by formula (); When a = 2.5 and b = 0.5, a * * * should pay () yuan.

6. Move the decimal point of a decimal to the right by two places to get a new number. The difference between this new number and the original number is 44.55, and the original number is ().

7、

Processing a part, processing 20 pieces in 5 minutes, and then

It takes () minutes to process 1 part on average, and 1 minute can process () such parts.

8. The three sides of a right triangle are 3 cm, 4 cm and 5 cm respectively, and the area of this right triangle is () square cm.

9. One

Its upper bottom, lower bottom and height are 10dm, 12dm and 8dm respectively, with an area of () square decimeter; Trapezoidal

The largest square, the square area is () square decimeter.

10. There are six balls in the box, which are marked with the numbers 1, 2, 3, 4, 5 and 6 respectively. Contact with any one, there are () possibilities. The probability of each result is (), the probability of singular is (), and the probability of less than 3 is ().

Second,

I will judge. (5 points)

1, a2 and 2a have the same meaning. ( )

2. When two numbers are multiplied, the product must be greater than any factor. ( )

3. After the rectangle nailed by four pieces of wood is drawn into a parallelogram, the perimeter and area remain unchanged. ( )

4, 9.999999 is

. ( )

5. All equations are equations, but all equations are not necessarily equations. ( )

Third, be careful.

I will choose. (5 points)

1, each empty bottle can hold 2.5 kilograms.

Teacher Wang will lift 25.5 kilograms.

Such a bottle needs at least () such bottles.

a、 10 B、 1 1 C、 12

2, the following graphics can't close shop is ()

A、

C, regular triangle

3. A box of 15 balls, including 5 red balls, 2 green balls and 7 black balls, 1 ball.

, from the box

Touch a ball at will, and the possibility of touching a red ball is (). Feel it.

The possibility is (),

A, B, C, D,

4. The teacher's home is in Building 06, Unit 3, 08th Floor, Happiness Community. If F is used to represent a happy community, then the teacher's home is.

The number of is ()

Answer. F—06—3—08—3 b . F—3—06—3—08 c . F—6—3—8—3

5. In the picture on the right, two triangles (indicated by shading) are drawn in two squares with equal sides. they

Compared with the area of ()

A, A has a large area, B has a large area, and C is equal.

Fourth, carefully examine the questions, and I'll do the math. (40 points)

1, write the number directly (5 points)

3.5×0. 1= 3.6÷0.09= 200×0.04= 12÷ 1.2= 1.3×0.5=

0.42÷0.6= 3.2×0.5= 0.2 1×0.3= 2.5× 1.4= 5.5÷ 1 1=

2. Cylinders

(6 points)

0.73×2. 15 7.38÷ 1.6