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The fourth grade of primary school, the final examination paper of mathematics, Volume II, People's Education Edition.
First, please calculate. (8')

0.38+0.06=0.44 ( 155+20)-65= 64.2+5.7= 543-27-73=

0.97-0.09=0.86 12.8-9.86= 17.05-4.58 = 9800÷25÷4=

3.5+0.6=4. 1 5-0. 15= 4.35+5.36= 99×66+66=

0.8 1+0.09= 0÷78= 50-20÷5= 35×25×4=

Second, please use recursive equation to calculate. ( 12')

72-3×8÷6 3600÷(20-5) (450+27) ÷(2 1- 18)

86.7-( 14.3-3.8 ) 60-( 12.87+0.75) 95.6-(26.3-8.3)

Can you think of a simple way to calculate the following questions? ( 12')

25×5+74×5+5 6.74+ 12.62+24.38+3.26

87-2. 123-0.877 30.65-(7.65+5.4)

(40+8)× 125 32×38+32×62

Please fill in this form. ( 13')

1, letters indicate that the multiplication distribution law is ().

2.0.28 has () 0.0 1, 1 yuan 2.4 points, and the decimal is () yuan.

3. The angle of160 degrees is smaller than the right angle by () degrees.

4. Expand by 0.36 to 100 times, and move the decimal point to the left by one place.

5.9.0968 One decimal place is (), two decimal places are (), and the integer is ().

6. In a right triangle, one acute angle is 550 and the other acute angle is ().

7. Tintin and Dongdong set up a square with toy figures, with 13 on both sides of the outermost layer. There are () toy people in the outermost layer, and there are () toy people in the whole square.

8. According to the fact that the sum of the internal angles of the triangle is 180, find the sum of the internal angles of the following two figures.

Trapezoidal () degree, pentagonal () degree.

Choose one of five or three (please write the serial number of the correct answer in brackets). ( 10')

1, decimal 20.090 is simplified as ().

A, B, C, 2.9

2, 4.03 expanded to 100 times is ().

0.043 B、403 C、40.3

3. The two triangles of () can form a parallelogram.

A, equal bottom, equal height, equal area, exactly the same.

4, 0.72 is equal to ().

a、0.720 B、7.2 C、72 1000

5. 80.6 14 is pronounced as ().

A, 80.6 14b, 80.6 14.

c,80.6 14

Please make a judgment (tick "√" for the right and "×" for the wrong). )(8')

1, add "0" or remove "0" at the end of the decimal, and the size of the decimal remains unchanged. ( )

2. Use three small wooden sticks with lengths of 13cm, 20cm and 6cm, and connect them end to end.

You can make a triangle. ( )

3.0.26 and 0.260 have different counting units. ( )

The straight line is a right angle. ( )

Seven, than the size, fill in "

205 1000○2.05 0.7 9675438+000 8.75kg○875g

0.99 ○1.12 ○ 0/20 200 hectares ○2 square kilometers.

0.6 1. 1.067900079 million

Mark the location of each building on the floor plan according to the little girl's description. (8')

9. From 2002 to 2006, the average computer ownership per 100 households in Baihua Community is shown in the following table. (8')

1. From 2002 to 2006, the average ownership per 100 households in Baihua Community increased ().

2. From () to (), the average computer ownership increased the least. The average number of computers has increased from () to ().

According to the information in the picture, you can predict that the average number of computers per 100 people in Baihua Community in 2007 is about ().

Taiwan Province.

X. Solving the problem (12')

In the first semester of the 2006 school year, the students in Class E donated all the money from selling waste products to Project Hope. Details are as follows:

A plastic bottle called waste paper can easily be thrown into the trash can.

Income (RMB) 47.75 25.2 68.4

1, How much is the money for selling waste paper in Class E less than that for selling plastic bottles?

2. How much more does Class E spend on selling waste paper and trash cans than on selling plastic bottles?

3. How much did Class One * * of Class Four E donate to Hope Project?

Primary School Mathematics (PEP) Grade Four Volume One Final Examination Paper

(Time: 60 minutes)

Class name score

First, please calculate. (8')

0.38+0.06=0.44 ( 155+20)-65= 1 10 64.2+5.7=69.9 543-27-73=443

0.97-0.09=0.88 12.8-9.86=2.94 17.05-4.58 = 12.47 9800÷25÷4=98

3.5+0.6=4. 1 5-0. 15=4.85 4.35+5.36=9.7 1 99×66+66=660

0.8 1+0.09=0.9 0÷78=0 50-20÷5=46 35×25×4=3500

Second, please use recursive equation to calculate. ( 12')

72-3×8÷6 3600÷(20-5) (450+27) ÷(2 1- 18)

=72-24÷6 =3600÷ 15 =477÷3

=72-4 =240 = 159

=68

86.7-( 14.3-3.8 ) 60-( 12.87+0.75) 95.6-(26.3-8.3)

=86.7- 10.5 =60- 13.62 =95.6- 18

=76.2 =46.38 =77.6

Can you think of a simple way to calculate the following questions? ( 12')

25×5+74×5+5 6.74+ 12.62+24.38+3.26

=(25+74+ 1)×5 =(6.74+3.26)+( 12.62+24.38)

= 100×5 = 10+37

=500 =47

87-2. 123-0.877 30.65-(7.65+5.4)

=87-(2. 123+0.877) =30.65-7.65-5.4

=87-3 =23-5.4

=84 = 17.6

(40+8)× 125 32×38+32×62

=40× 125+8× 125 =32×(38+62)

=5000++ 1000 =32× 100

=6000 =3200

Please fill in this form. ( 13')

1, and the distribution law of multiplication expressed by letters is ((a+b) × c = a× c+b× c).

2.0.28 has (28) 0.0 1. 1 yuan 2.4 points, and the decimal is (1.24) yuan.

3. The angle of160 degrees is (20) degrees smaller than the right angle.

4. Expand it by 0.36 to 100 times, and move the decimal point one place to the left, which is (3.6).

5.9.0968 The reserved decimal place is (9. 1), the reserved decimal place is (9. 10) and the reserved integer is (9).

6. In a right triangle, one acute angle is 550 and the other acute angle is (35).

7. Tintin and Dongdong set up a square with toy figures, with 13 on both sides of the outermost layer. There are (48) toy figures on the outermost layer and (169) toy figures on the whole square.

8. According to the fact that the sum of the internal angles of the triangle is 180, find the sum of the internal angles of the following two figures.

Trapezoidal (360) degrees, pentagonal (540) degrees.

Choose one of five or three (please write the serial number of the correct answer in brackets). ( 10')

1, simplified decimal 20.090 is (b).

A, B, C, 2.9

2, 4.03 expanded to 100 times is (b).

0.043 B、403 C、40.3

3. Two triangles (c) can be combined into a parallelogram.

A, equal bottom, equal height, equal area, exactly the same.

4.0.72 is equal to (a).

a、0.720 B、7.2 C、72 1000

5.80.6 14 is read as (c).

A, 80.6 14b, 80.6 14.

c,80.6 14

Please make a judgment (tick "√" for the right and "×" for the wrong). )(8')

1, add "0" or remove "0" at the end of the decimal, and the size of the decimal remains unchanged. (√)

2. Use three small wooden sticks with lengths of 13cm, 20cm and 6cm, and connect them end to end.

You can make a triangle. (×)

3.0.26 and 0.260 have different counting units. (√)

The straight line is a right angle. (×)

Seven, than the size, fill in "

205 1000 < 2 . 050 . 7 > 7 100 8.75kg > 875g

0.99 <10.12 = 0.120200 hectares = 2 square kilometers.

4.205 > 4.204 0.6 1 < 1.0679000 = 79000.

Mark the location of each building on the floor plan according to the little girl's description. (8')

A plastic bottle called waste paper can easily be thrown into the trash can.

Income (RMB) 47.75 25.2 68.4

9. From 2002 to 2006, the average computer ownership per 100 households in Baihua Community is shown in the following table. (8')

1, the average ownership per 100 households in Baihua Community increased by (65) sets from 2002 to 2006.

2. From (2002) to (2003), the average computer ownership increased the least. From 2005 to 2006, the average computer ownership increased the most.

According to the information in the picture, you can predict that the average number of computers per 100 people in Baihua community in 2007 is about (1 17).

Taiwan Province. (As long as the answer to this question is ≥ 1 17)

X. Solving the problem (12')

In the first semester of the 2006 school year, the students in Class E donated all the money from selling waste products to Project Hope. Details are as follows:

1, How much is the money for selling waste paper in Class E less than that for selling plastic bottles?

68.4-47.75 = 20.65 (Yuan)

A: The money for selling waste paper in Class E is 20.65 yuan less than that for selling plastic bottles.

2. How much more does Class E spend on selling waste paper and trash cans than on selling plastic bottles?

(47.75+25.2)-68.4 = 4.55 yuan 1. Do the math. (42 points)

1, write directly. (10)

270÷9 = 620+60= 18×5= 84÷4=

530+470= 72÷ 18= 60÷ 15= 430- 170=

120÷6÷2= 45+36-45+36=

2. Calculate the following questions in a simple way. (12)

29+65+7 1+35 125×25×8×4

4×(7×25)×3 498- 154-46

3. Off-mold calculation. (12)

560+40-30× 15 [296+(84- 12)] ×5

17×(35+480÷6) 270÷[ 18×(5 1-46)]

4. Column calculation. (8 points)

What is the difference between the product of (1)30 and 25 and the quotient of 120 and 6?

(2)620 minus the product of 50 and 8, the difference divided by 1 1, what is the quotient?

Second, fill in. (20 points)

1, combining 100÷25=4, 6+4= 10,12×/kloc-0 =120 into a comprehensive formula is ().

2. If the formula 852+ 152÷ 19×8 is changed to calculate division first, then addition and finally multiplication, then the formula should be ().

3. Fill in ""or "=" in ○.

( 1) 5+25×2○(5+25)×2 (2) 20+ 12+60÷3○20+( 12+60)÷3

(3)96÷6-3○96÷(6-3) (4)90÷(3+6×2)○90÷[(3+6)×2]

4. "What is the quotient of the sum of 30 and 60 divided by the difference between 25 and 10?" The correct formula is ().

Master Wang sawed a piece of wood into 5 sections in 4 minutes. Now it takes () minutes to saw it into 10 segments.

6. The sum of dividend, divisor, quotient and remainder is 143. If the quotient is known to be 3, the remainder is 20, the dividend is () and the divisor is ().

Third, choose one. (Fill in the serial number of the correct answer in brackets, 8 points)

1, one factor magnifies 10 times, and the other factor () needs to keep the product unchanged.

(1) Enlarge 10 times (2) Reduce 10 times (3) Keep unchanged.

2. The formula of the last step of division is ().

( 1)90-25×4÷2 (2)(90-25)×4÷2 (3)90-[25×(4÷2)]

3. The correct result of (60+40 ÷ 2) × 2 is ().

( 1)25 (2) 100 (3) 160

4, the following statement is correct ().

(1) For formulas with brackets, what is in brackets should be calculated first, and what is in brackets should be calculated later.

(2) In the mixed operation with only addition and subtraction, it should be calculated from left to right.

(3) Calculate the operation order of 200-98 ÷ 7× 4 from left to right.

Fourth, solve the problem. (30 points)

1. The school canteen went to Baiyunting vegetable wholesale market and bought some vegetables and radishes. Please refer to the following table:

Kilograms per basket

Basket number

green vegetables

20

18

Small carrot

30

10

Q: How many kilograms are these vegetables?

2. There are 120 girls in the fourth grade of Banqiao Primary School, and there are 105 boys. How many students are there in the fourth grade?

Fill a cup with 250ml of water, and then pour it into a bucket. I didn't fill it 24 times. What is the minimum capacity of this bucket?

A classroom is 8 meters long and 6 meters wide. How many square bricks does it take to pave the floor with a square brick with a side length of 4 meters?

There are 720 books on the double shelf. If you take out 20 books from the lower level to the upper level, there are as many books on the two levels. How many books are there on each floor?

Fifth, brain paradise. (Additional 10)

1, skillfully fill in "+,-,×, degree, ()" to make the equation hold.

4 4 4 4= 1 4 4 4 4=5

4 4 4 4=2 4 4 4 4=9

4 4 4 4=3 4 4 4 4= 15

2. Parentheses make the following formula hold.

6×8+ 12÷4- 1=52

6×8+ 12÷4- 1= 14