20 1 1 fourth grade, volume 2, people's education publishing house, mathematics final examination paper

The final quality examination paper and answer of fourth grade mathematics in Tianhe District, Guangzhou.

School _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ School.

First, I will fill it out. (Every empty point, ***26 points)

1. Move the decimal point of 56.06 two places to the right and then three places to the left, and the result is ().

2. Digital writing () consists of five tens, seven ones, two tenths and nine percent.

Read (). It is a decimal place.

3. Simplify 3.2000 (); Rewrite 8 to decimal without changing the size of the number. The decimal of two digits is ().

4. The two angles of the triangle are 23 and 56 respectively, which is a () triangle.

In a right triangle, one acute angle is 40 and the other is ().

5. Triangle can be divided into () triangle, () triangle and () triangle.

6. One soccer ball costs one yuan, and 65 soccer balls cost () yuan.

7. Contrast size: 2.43×1.1.002.438.16.08.16 ÷ 0.3.

8.0.08 () times the original number is 8 and 42 times the original number is 0.042.

The counting unit of 9.0.85 is (), and () 0.0 1, plus ().

The counting unit is 1.

10. 150g =()Kg 42min =() 1m 5cm =()m。

1 1. Eight times a number is 6.4, which is ().

12.7.4545 ... is a decimal (), and one place after the decimal point is ().

Second, I will be sentenced. (Mark "√" for the right and "×" for the wrong, with 2 points for each question and *** 10. )

1. Use sticks of 3㎝, 4㎝ and 7㎝ to make a triangle. ……………( )

2. Add 0 or remove 0 after the decimal point, and the size of the decimal point remains unchanged. ………( )

The results of 3.3.5 ÷ 0.0 1 and 3.5 × 100 are the same. …………… ( )

4. The equation is an equation, so the equation is also an equation. …………………………… ( )

5.0.5 and 0.50 have the same size and the same counting unit. ……………… ( )

Third, I will choose. (Fill in the serial number before the correct answer in brackets, with 2 points for each question and *** 10. )

1. A steel pipe is 3.8 meters long and sawed into a section every 0.7 meters. How many meters are left in the steel pipe? ( )

a，30m b，3m c，0.3m d，0.03m

2.59.304 accurate to the percentile is ()

a、59.3 1 B、59.30 C、59.3 D、60.00

Is this a test paper? All these questions have answers.

3. There are () decimals greater than 3.5 and less than 3.7.

A, 0 B, 1 C, 9 D, countless

4. If the lengths of two sides of a triangle are 5cm and 8cm respectively, what is the length range of the third side?

It should be ().

A, 3cm above b, 13cm above

C, more than 3cm and less than 13cm d, less than 3cm or more than 13cm.

choose one

A B C D

From the front, it is (), and from the right, it is ().

Fourth, I can operate it by hand. 10 point

1. Draw a triangle, a parallelogram and a trapezoid in the dotted diagram below.

I can count.

() triangle () rectangle

5. I can calculate. (24 points)

1. Write the number directly. (8 points)

6.3 ÷ 7 = 42.9÷ 10= 1000×0.8= 4.8÷ 1.6=

3.06+0.2 = 1-0.63= 7.2 ÷4 = 1.2 × 5 =

65×0.25×4= 4.5+ 1.5= 1.82-0.63 = 0.8+0.6 =

0. 15 × 3 = 2.5× 0.4 = 0 ÷ 0.325 = 0.36 + 0.64 =

2. Vertical calculation and checking calculation of columns. . (6 points)

12.6÷0.28= 4.2×3.2=

3. Out-of-type calculation can be simply calculated by simple methods. (6 points)

12.8 + 2.4 ×9.5 2.5×2.8×4 0.36÷〔(6. 1-4.6)×0.8〕

4. Find the unknown x(6 points)

5χ-3.9 = 5. 1 3χ=3.6 2χ+ 7 = 9 1

Six, I'll solve the problem. (2 1)

1. The People's Bank of China authorized China Foreign Exchange Trading Center to announce that 1 USD was converted into about 7.70 RMB. How many dollars can my mother exchange for taking 2000 yuan to the bank? (Keep the whole number in the number) (3 points)

2. A butterfly flies 3.9 kilometers in 0.5 hour, and the flying speed of bees is 2.4 times that of butterflies. How many kilometers do bees fly per hour? (4 points)

3. There are two barrels of oil, one of which is 2.5 kilograms, and the price is 35.00 yuan; B 3kg barrel (0.5 kg of the same oil), the price is 48.30 yuan. What kind of oil is cheaper? (5 points)

4. The price of a story book is 18.3 1 yuan, which is more expensive than a popular science book 1.49 yuan. How much is this science book? (list the equations containing unknown x first, and then solve them. ) (4 points)

Mother bought 9.5 kilograms of apples and gave them to 30 yuan, the shop assistant. How much did it cost to get 7.2 yuan back? How much are apples per kilogram? (5 points)

answer

First, I will fill it out. (Every empty point, ***26 points)

1.5.606 2.57.29 57.29 3.3.2 8.00

4. The obtuse angle is 50 5. Acute angle, right angle and obtuse angle 6.65a7 >

8. 100 1/ 1000 9.0.0 1 85 15 10.0. 15 0.7 1.05

1 1.0.8 12. Cycle 7.5

Second, I will be sentenced. 10 point

1.× 2.× 3.√ 4.× 5.×

Third, I will choose. 10 point

1.C 2。 B 3。 D 4。 C 5。 C B

Fourth, I can operate it by hand. 10 point

1. Omit 2. 15 18.