(Time: 60 minutes)
Class name score
First, please calculate. (8')
0.38+0.06= ( 155+20)-65= 64.2+5.7= 543-27-73=
0.97-0.09= 12.8-9.86= 17.05-4.58 = 9800÷25÷4=
3.5+0.6= 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)
A: The total amount of money for selling waste paper and trash cans in Class E is 4.55 yuan more than that for plastic bottles.
3. How much did Class One * * of Class Four E donate to Hope Project?
47.75+25.2+68.4 =141.35 (yuan)
A: Four E's.
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