1, 4800730 writes _ _ _ _ _, 30025 writes _ _ _ _ _ _ _ _.
2.840000000 The number written as "ten thousand" is _ _ _ _ ten thousand, and the number written as "one hundred million" is _ _ _ _ _.
3. In 0.6,4, 1, 0.2,4,9, _ _ _ _ _ is a natural number, _ _ _ _ _ is an integer, _ _ _ _ _ _ is a prime number, and _ _ _ is a composite number.
The greatest common divisor of 4, 30 and 18 is _ _ _ _ _ _ _ _ _, and the smallest common multiple is _ _ _ _ _ _ _ _ _.
5、________ %=9÷________=
6. Four are _ _ _ _ _ _ _ _, and the scoring unit is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ It is three _ _ _ _ _ _ _ _; _ _ _ _ _ in 1.
7.70 people is equivalent to 80 people; 400 tons is _ _ _ _ _ _ _ tons.
8. 3 tons of 700 kilograms = 2.5 square meters \u tons = \u square decimeters.
5 minutes = _ _ _ _ _ _ 2.2 cubic decimeter = _ _ _ _ _ liter = _ _ _ _ _ milliliter.
9. The opposite side of the parallelogram is _ _ _ _ _ _ _ _; A trapezoid has only one set of opposite sides.
10, the perimeter of a rectangular piece of land is 28 meters, and the length-width ratio is 4: 3. The area of this piece of land is _ _ _ _ _ _.
Two. True or false (X) (10)
1, the reciprocal of the false score is not necessarily less than 1. ( )
2.0. And since childhood, 78% is: ()
3. In the fifth grade physical education standard test, 100 people reached the standard, and 4 people failed, with a standard rate of 96%. ( )
When the side length of a square is expanded by 3 times, its area will be expanded by 6 times. ( )
5. The survival rate is certain, and the number of trees planted is directly proportional to the number of surviving trees. ( )
Third, multiple choice questions. Fill in the number of the correct answer in the brackets. (10)
1, () with unknowns is called an equation.
A. Formula B. Formula C. Equation
2. Divide the 5m-long rope into 8 parts, each part belongs to this rope ().
American Broadcasting Company Inc (ABC)
3. There are 36 people in Class Five (1), Class Five (2) is Class Five (1), and the ratio of Class Five (1) to Class Five (2) is ()
A.6∶5 B.5∶6 C.3∶2
4, the volume of the cylinder is certain, its bottom area and height ()
A. directly proportional; Inverse ratio; be disproportionate
5, natural numbers A and B, when A equals B, the original ()
a . a = b b . a & gt； b C.a & ltb & ltp = " " & gt
Fourth, column calculation. (8 points)
What is the difference between the sum of (1)5.6 and 0.7 multiplied by 1 and 0.4?
(2) 15 MINUS 2 times of a number equals 3.4, and find this number.
Fifth, the application problem. (4 points +0 for question 65438, 5 points for other questions, ***24 points)
1. Find the area of the shaded part in the right trapezoid (unit: decimeter).
2. In the fifth grade, 17 people participated in the science and technology group, which was 7 times less than that of the literature and art group. How many people are there in the art group? (column equation solution)
3. Xiao Fang knitted a scarf with a length of1.20cm.. On the first day, I knitted the whole length, and on the second day I knitted 25% of the whole length. How many centimeters are left?
The highway between the two places is 342 kilometers long. Two people, A and B, ride motorcycles from two places respectively. A's speed is 47.5 kilometers per hour, and B's speed is A. How many hours did they meet?
5. In the design drawing with the scale of 1∶500, the bottom diameter of a large cylindrical pool is 4 cm. What is the actual area of the swimming pool? If the swimming pool is 4 meters deep, what is its maximum capacity?
answer
One,
1、4800730 30.075
2、84000 8.4
3、 1,4,9; 1,4,5; None 4, 9
4、6 90
5、75 12 20 0.75
7、 150
8、3.7 250
9, parallel and equal parallel
10, 48m2
Second,
1、√ 2、×
3、× 4、×
5、√
Third,
1、C 2、B
3、A 4、B
5、A、B
1、0.76 4.8 2
220 60 0.25 5.5 0. 1 2.25 1 1 1
2、40 1 2 2
3、7 70
4、3.78 5.8
Five,
1、
2. Solution: Let the number of people participating in the art troupe be X. 17=2x-7 3,
4、
5. 4× 500 = 2000m
Coverage area:
Volume: 3 14×4= 1256 (m3)
x= 12
Mathematics sixth grade examination paper and answer II. Fill in the blanks: (23 points)
1,159.4 million is written (), and rounding to "100 million" is about ().
2, 10 0. 1 Yes (? ), 8.5 has (? ) one tenth.
3. The range of approximation 3.0 is ().
4. The decimal unit of1is (), and it has ().
5, difference+subtraction+servant 20, the minuend is ().
6.4 Subtract () 0.06 and the result is 1.
7. The unit price of a piece of clothing 100 yuan, first reduce 10%, and then increase 10%. Now it is () yuan.
8. After a fraction is simplified, the sum of the numerator and denominator of the original fraction is 72, and the original fraction is ().
9， 198 cm =(？ ) decimeter = () meter,? 2 hours = () hours () minutes
15 days = () hours, 650 hectares = () square kilometers.
10, a rope is 75 meters long, and it is cut into 5 sections on average, with 2 sections of total length () and 2 sections of length (? ) meters.
1 1. Put four squares with a side length of 6 decimeters into a rectangle. The perimeter of this rectangle is () and the area is ().
12, A is 20% more than B, and the ratio of A to B is ().
13, cylinder and cone have the same area and volume. The height of the cylinder is 15cm, and the height of the cone is ().
Two, true or false (5 points)
1. Two rectangles with equal areas have equal perimeters. ( )
The volume of a barrel is 50 cubic decimeters. It can be said that the volume of this barrel is 50 liters. ( )
For any circle, the ratio of circumference to diameter remains the same. ( )
4. In an acute triangle, if one angle is 30, the other two angles can be 55 and 95. ( )
5.a and b? Equal, (A≠0), then b is 50% of a. ()
Iii. Selection (10 score)
1, where () is an equation.
a、4+χ& gt； 90 ? b、χ–5？ c、χ=0？ d、3+2=5
2、( ? ) cannot be divided into two identical triangles.
A, parallelogram? B, isosceles trapezoid c, rectangle d, square
3. After the cylinder is unfolded, the side surface is square, and the ratio of the radius of the bottom surface of the cylinder to the height is ()
a、 1:π B、 1:2π？ c、π: 1 D、2π: 1
There are 8 yellow balls and 5 red balls in the box. If you touch them at least () times, you will definitely touch the red ball.
a、8 B、5？ c、9 D、6
5. Take it out of that pile of goods? Give it to b, and the two piles are equal in mass at this time. It turns out that the mass ratio of pile A to pile B is ()
a、7:9 B、9:8 C、9:7？ Chapter 9 Section 6
Four, calculation (23 points)
1, solving equation or proportion (8 points)
13- χ= 10 ? 8× + 1.5χ=4
0.7: χ= 15: ? =
2. Calculate with an appropriate method. (9 points)
3.5× +5.5×80%+0.8 8 ÷[7.8+ ×(2.75+ 1.25) ]
÷[( - )÷ ]
3. Column calculation. (6 points)
(1) 3.5 is 7 less than a number. Find this number.
(2) Divided by the sum of and, the quotient is tripled. What is it?
Verb (abbreviation of verb) Find the perimeter and area of the shadow part (unit: meter) (6 points)
VI. Solving problems (33 points, 1~3 questions, 5 points for each question, 4~6 questions, 6 points for each question)
1, project a, single 10 day, single 12 day, now two people work together, and after completion, the salary is 2200 yuan. If the salary is distributed according to the amount of work completed, how much will A and B get?
There are eight cylindrical stakes in the hall that need painting. The bottom circumference of the stake is 2.5 meters and the height is 4.2 meters. 1 kg pigment can draw 6 square meters. So how much paint does it take to draw these stakes?
Grandpa Zhang uses the fence around the chicken farm and the wall of the house. The fence is 35 meters long. How big is the chicken farm?
4. Xiaogang's uphill speed is 5 kilometers per hour, and the original downhill speed is 10 kilometers per hour. Find the average speed of Xiaogang uphill and downhill.
5.72 square bricks are used to pave 18 square meters, so how many square bricks do you need to pave 24 square meters? (Use proportional solution)
6. Party A, Party B and Party C process a batch of parts at the same time. The ratio of the parts processed by Party A to the total parts processed by Party B and Party C is 65,438+0: 2. Party A and Party C * * process 135, and Party B processes this batch of parts14. How many parts are there in this batch?
Evaluation description:
I. Fill in the blanks:
1、 1059400000 ? , 1 1 billion 2, 1? , 85
3、2.95─3.04 ? 4、 ? , 16
5,606,507, 99 yuan
8、 ? 9,2 hours 15 minutes? 19.8 ? 1.98 ? 360 6.5
10、 ,3 ? 1 1, 60 decimeters, 144 square decimeters.
12、6:5 ? 13，45cm
Second, the judgment:
1、× 2、× ? 3、√ ? 4、× ? 5、√
Third, choose:
1、C？ 2、B？ 3、B？ 4、C？ 5、C
Fourth, calculation
1、χ=5 χ=2 ? χ= ? χ=
2、8 ? , ? 1 ? ,
3、(35+7)÷ ? ..... (2 points) (2)? [Current (+)] × 3...(2 points)
=42× ? =[ × ] ×3
= 63 ...............( 1) = 3 ...................( 1)
Verb (abbreviation for verb) circumference: area:
6× 2+4+3. 14× 4 ÷ 2 ...(2 points) 6× 4 ─ 3. 14× 22 ÷ 2...(2 points)
= 16+6.28 ? =24─6.28
= 22.28m ................ (1)? = 1 7.72m2 ........... (1)
The first network of new curriculum standards
Sixth, solve the problem:
1, and the efficiency ratio of Party A and Party B is 6:5 2, 2.5× 4.2× 8 ÷ 6. ...............................................................................................................................
A: 2200× 6/11=1200 (yuan) ... (2.5 points)? =10.5× 8 ÷ 6 ............. (1min)
B: 2200× 5/11=1000 (yuan) ... (2.5 points)? = 14kg？ ............. (1 min)
3. (35 ─10) ×10 ÷ 2 ... (3 points)? 4. Assume that the total distance is 10 km.
=25× 10÷2 10÷5=2 hours ... (2 points)
= 125 (m2)? ..... (2 points) 10÷ 10= 1 hour ... (2 points)
(10+ 10)÷3= km ... (2 points)
5. Suppose: such a square brick χ block ............ (1 min).
72: 18=χ:24 ? ............... (4 points)
18χ=72×24
χ = 96 ...........( 1)
6、 ─ ? =...........( 1 min)
135÷( ? + ? ) ? ............... (3 points)
=18 (a) ............................................................. (2 points)