Jiangsu education printing plate fourth and fifth grade upper and lower semester mathematics examination paper

Su teaches printing plate elementary school mathematics fourth grade mathematics volume 8 final review examination paper

Class () Name () Grade ()

Basic knowledge (***60 points)

★ Carefully examine the questions and fill in the blanks ★

1, this number is written as:

This number is:

Rewrite to "ten thousand" as the unit;

Take "100 million" as the unit.

2. The percentile, percentile and thousandth of a number are all 5, and all other numbers are 0. This number is () and the decimal precision is ().

3. fill in ">", "

3.54○3.45 ○0. 10 1 4.060○4.06

5 m 36 cm 5.32 m 0.28 kg 284 g

4、

0 1 2 3 4

Fill in the appropriate decimal places in the box, and then answer the following questions.

☆ Change them into numbers with the same size and two decimal places:

☆ The smallest figure is one percent.

☆ Numbers greater than 2 and less than 3 are enlarged 10 times and then reduced 100 times. The result is:

☆ Move the decimal point of a number greater than 1 less than 2 by one place to the left and then by two places to the right. The result is:

☆ The maximum number is accurate to one place:

5. The school bought a table and 15 chairs, each table is 20 yuan, and each chair is B yuan. Buy a desk and chair * * * () yuan, 15B-20A means ().

6. There is a parallelogram wheat field with a bottom of 600 meters and a height of 400 meters. Its area is () hectares.

7. A triangular piece of land covers an area of 780 square meters, with a height of 30 meters and a bottom of () meters.

Think carefully and analyze carefully

1, add "0" to the right or remove "0" after the decimal point, and the size of the decimal point remains unchanged. ( )

2、7500÷400=75÷4= 18……3。 ( )

3. If the rectangular frame made of wood strips is drawn as a parallelogram, its area will become smaller.

But the perimeter remains the same. ( )

4. When the base of the parallelogram is enlarged by 3 times and the height by 2 times, its area is enlarged by 5 times. ( )

5. Cut a rope into 6 sections, which means that the number of these 5 sections is 56 of this rope. ………………( )

Think carefully and choose carefully

1, the base of the parallelogram is enlarged by 4 times, the height is unchanged, and its area ().

A remains unchanged, B expands four times and C contracts four times.

2. Ten thousand, one hundred thousand, one million and ten million are all ()

A-bit, B-bit and C-bit counting unit

There is a parallelogram land with an area of one hectare and a bottom of 250 meters. Its width is ().

200 meters, 50 meters and 40 meters

4. In the parallelogram on the right, the unknown height should be () cm.

A 9 B 8 C 12

5, 5.963 accurate to ten is ()

A 6 B 5.9 C 6.0

★ Check carefully and calculate carefully ★

1, the number written directly (6 points)

3900 ÷ 30 = 1200× 700 = 520,000+280,000 =

0÷72= 420×20= 270÷90=

1800 ÷ 300 = 690,000-450,000 = 9 100÷700=

400×900= 250×28= 120×40=

2. Solve the equation. (3+2=5 points)

13X+7= 150 (inspection) 200÷5X=40

3. Simple calculation. (3×3=9 points)

3200× 180= 6640÷5 10= 99×27+27

4. Text questions. (3×2=6 points)

27 is more than three times a number. Find this number (equation solving).

36 times 253 minus the difference of 198, and the product is divided by 30. What is the quotient?

Statistics and calculations. ( 1×7+3= 10)

Pujiang Primary School donated money to Hope School.

Year level 12345

Number of donations

(:200 yuan)

Grade donated the most; The difference between grade three and grade five is yuan.

Calculate, how much is the average donation per grade?

one, two, three, four, five

Year, year, year, year.

Step by step.

Solve practical problems (***30 points)

1. How many square centimeters of iron does it take to make a triangle warning sign with a bottom of 60 cm and a height of 52 cm?

A parallelogram iron sheet with a base of 180 cm and a height of 52 cm can make several such warning signs.

Team a and team b cooperated to build the canal. After a period of time, Team A repaired 37 parts of the canal and Team B repaired 27 parts of the canal. How many more parts of this canal did Team A build than Team B? Which part of the canal was built by two teams? Have they fixed it?

3. There is a right triangle, in which the degree of the largest angle is 2o, which is more than four times that of the smallest angle, and the smallest angle is.

how many degree?

4. Uncle Wang surrounded a trapezoidal vegetable field against the wall (as shown below). It is known that the total length of the fence is 20 meters, and one side is 6 meters long. What is the area of enclosed vegetable fields?

5. 100 kg soybean can squeeze out 38 kg oil. According to this calculation, 1000 kg of soybean can extract oil, which is more than the name score in the math test paper.

Fill in the blanks.

(1) 70200000 is pronounced () and consists of () ten million and () hundreds of thousands.

(2)90500 write () and 107326 write ()

(3) 4010000 = () 2740090 ≈ ()18800000 = () ten thousand.

(4) Fill in "

142800 () 148020 9284 () 40700 8040 () 80,000

(5) 2 hectares = () square meters 900 hectares = () square kilometers.

60000 square meters = () hectares 3 square kilometers = () hectares

(6) The product of two factors is 80. If one factor remains the same and the other factor is enlarged by 2 times, the product is ().

(7) Children's Day in 2003 was a Sunday, National Day in 2004 was a week (), and Teacher's Day in 2004 was a week ().

(8)T52 1 Train 13: 36 starts from Beijing and arrives in Chengdu at 9: 08 the next day. This train is running at ().

(9) The quotient of dividing two numbers is 15. Divider and divisor are expanded 5 times at the same time, and the quotient is ().

(10) Multiplies two numbers that are not equal to zero. One factor is magnified four times, and the other factor is also magnified four times. Product ().

(1 1) Zhang Hong enclosed a square vegetable field with a 40-meter-long rope. The area of this vegetable field is ().

Second, the judgment (choose two reasons to explain the judgment)

995030 is rounded to ten thousand places, which is about 1 ten thousand.

The sum of the minuend, subtraction and difference is 124, and the known difference is 15, so the subtraction is 4.

6500÷90=650÷9= 12……2

In x present15 = 630, the basis of finding x is divisor = dividend present quotient ().

( 150-60+40)×2=( 150- 100)×2= 100 ( )

In division, the dividend and divisor increase by the same number at the same time, and the quotient remains the same. ( )

Reason:

Third, choose

1. The average height of Xiao Li and Xiao Wang is exactly the same as that of Xiao Qiang, and Xiao Li is taller than Xiao Qiang, so ().

A, Xiao Wang is taller than Xiao Qiang; b, Xiao Qiang is taller than Xiao Wang; c, Xiao Wang is as tall as Xiao Qiang.

2. The formula equal to 1857-99+98 is

a、 1857- 1 B、 1857+ 1 C、 1857+99-98

3. In the following figures, the number that reads two zeros is

a，50 10040 B，5 104000 C，500 1004

4. One factor is 40, which is four times that of the other factor. Their product is

160 B，200 C，400

5. A square swimming pool is 400 meters in circumference and covers an area of 100 hectare.

a， 10000 B， 1 C，400 D， 16

6. The year () in the following Gregorian calendar years is a leap year.

1800 B， 1900 C，2000

7. The following statement is true ()

February has 28 days. B the number of days in the second half of a normal year is the same as that in the second half of a leap year. C, 1996 has 52 weeks, 1 day.

8. The simple algorithm of125× 24 is ().

A: 125×6×4 b: 125× 12×2 c: 125×8×3

Fourth, the calculation problem

1, the number is written directly.

2 1+79 = 25× 20 = 67+ 133 = 700-590 = 7200 ÷ 900 = 20 1-98 = 3200 ÷ 8 ÷ 4 = 800,000+60,000

2. Calculate with a simple method

623- 197 543+99 900÷ 18 65×5×2

7200÷800 8400×700 600÷ 15÷2

3. find the unknown X.

3 19×X = 70 18 1044÷X = 29 1256+X = 1769

x- 108 = 2 16 32×(x÷28)= 256

4, column calculation