Comprehensive exercises at the end of the sixth grade mathematics volume (8). Answer 1. Fill in the blanks. (20 points)
1, a number has millions of digits 8, millions of digits 9, thousands of digits 5, tens of digits 4, and the rest digits are all zeros. This number is written as (), and the mantissa after omitting ten thousand digits is about () ten thousand.
2. The decimal unit of1is (), and the decimal unit like () is the smallest prime number.
3. A number is 20, and 20% of this number is ().
4. The ratio of1.75: 2.25 to the simplest integer is (), and the ratio is ().
5. The ratio of basketball, volleyball and football is 5: 3: 2, with basketball accounting for the total, volleyball accounting for the total and football accounting for the total; Basketball is volleyball, not football; Volleyball is basketball, not football; Basketball is more common than volleyball, and football is less.
6. When the side length of a square is increased by 10%, the area is ()% of the original.
7. It takes 2 hours for Party A and 3 hours for Party B to take the same road. Party A is faster than Party B. ..
8、2÷5 = = =( ) :( )=( )%
9. 1.2 hours = () hours () minutes 6.2 hectares = () square meters.
10, the number of A is A, the number of B is 0.3 less than three times that of A, and the number of B is ().
Second, judge. (Mark "√" for the right and "×" for the wrong) (8 points)
The product of 1 and two numbers must be greater than one of the factors. ( )
2. Divide 0 by any number to get 0. ( )
The approximate value of a number is 10000, and the maximum number is 9999. ( )
4. If A ÷ B = 2... 1, then (5a) ÷ (5b) = 2... 1 ().
Third, choose. (Fill in the serial number of the correct answer in brackets) (10)
1, the triangle has at least () acute angles.
a、 1 B、2 C、3
2, a rectangle, the length increases, the width increases, and its area increases ().
A, B, C,
3. Compare the sum of four true scores with their products, which is greater? ( )
A, product big B, and big C, not sure.
4. Divide the one-meter-long wire into four sections on average, and each section is longer than the original wire ().
A, B, C,
5. Enlarge the radius of the bottom of the cylinder by 2 times, and the volume of the cylinder will increase by () times under the condition of constant height.
a、4 B、7 C、8
Fourth, the calculation problem. (4 points+12 points+12 points +4 points = 32 points)
1, a number written directly.
36×25% = 7.2×0.09 = 5.7+4.3 =
18÷ 1% = 6.4-4.76-0.24 =
2. Off-mold calculation.
5.6×0.7+0.2×5.6+0.56
3. look for the unknown.
6.8+3x = 2 1.8
8.25-2x = 7.625 3x+ 15 = 5x-5
4. Column calculation.
When a number is divided by 100, the quotient is 10, and the remainder is an integer. What is the maximum quantity?
Fifth, solve the problem. (20 points)
1, hongqi workshop produced a batch of parts in three days. A total of 20 parts were produced on the first day, 20 more than on the first day, and 55 were produced on the third day. How many parts are there in this batch?
2. Wang Fang's father deposited 5,000 yuan in the bank for 2 years, with an annual interest rate of 2.25% and interest tax of 20% of the total interest. How much principal and after-tax interest does Fang's father get after maturity?
3. The circumference of the bottom surface of the cylindrical oil drum is 12.56 decimeter, and the height is 10 decimeter. Now it's full of gasoline. If the weight of gasoline per liter is 0.85 kg, how many kilograms of gasoline can this barrel hold?
4, a pile of oranges, filled with 3 baskets plus 18 kg is exactly the weight of this pile of oranges, and the rest is just filled with 8 baskets. How many kilograms is this pile of oranges?
6. Draw an expanded drawing of an iron box without a cover on a large-scale drawing (as shown in the figure). Please measure the relevant data on the drawing to find out how many square decimeters of iron sheets are actually used in this iron box. How many cubic decimeters is its actual volume?
Fill in the blanks with the answers to the final questions of the fifth grade mathematics in the second volume of the fifth grade (30 points). The largest two-digit number that can be divisible by 2, 3 and 5 at the same time is (). 2. It is known that a=2×2×3×5, b=2×5×7, the least common multiple of A and B is (), and their greatest common divisor is (). 3. Glue two cubes with side length of 10 cm to form a cuboid, and the surface area of this cuboid is (). Divide the 3-meter-long rope into 7 sections on average, and each section is full-length. 5. In a5, when a is (), the score is 5, and when a is (), the score is 1. 6.) ( )( 15)( 24 16 ) ( 83 ? ← Fill in decimal. 7. The sum of three consecutive odd numbers is 177, and the average of these three numbers is (), the largest of which is (). 8. fill in ">", "
The final exam of mathematics in the fifth grade (C) answers The mathematics test paper in the fifth grade of primary school (unit 3, cuboid and cube) Name: _ _ _ _ _ _ _ Result: _ _ _ _ _ _ 1. Fill in the blanks. (30× 1=30) 1, and the _ _ _ _ of six sides of a cuboid or cube is called its surface area. 2. The volume that a container can hold an object is called its _ _ _ _ _ _. 3. Both cuboids and cubes have _ _ faces, _ _ vertices and _ _ edges. Cubes are _ _ _ cuboids. 4. Fill in the appropriate company name: the volume of the TV is about 50_____. The volume of a candy is about 2 _ _ _ _. An apple weighs 50 _ _ _ _. The area of fingernails is about 1 _ _ _ _. A bottle of salad oil is about 4.2 _ _ _ _. The volume of the cabinet is about 2 _ _ _ _. 5. Put eight cubes with a length of 2cm into a cuboid with a volume of _ _ _ _ cm3. 6. A cube with a base circumference of 4dm can hold _ _ _ _ L of water, which is equivalent to _ _ _ _ mL. 7. Fill in the appropriate numbers in the brackets. 500ml = _ _ _ _ _ _ _ dm3 = _ _ _ _ _ _ l960 cm3 = _ _ _ _ _ _ _ dm3 = _ _ _ _ _ _ _ l400 dm2 = _ _ _ _ _ _ _ cm2 = _ _ _ _ _ _ _ m 2 100ml = _ _ _ _ _ _。 9, the ratio between two adjacent area units is _ _ _ _ _. 10, rectangular land is 50 meters long, 80 meters wide and 20 meters high, with a land area of _ _ _ _ square meters. Second, the judgment question. (10×1=10)1.A cuboid has at most eight identical edges and six identical faces. () 2. A cube with a length of 6 cm has the same surface area and volume. ............................... () 3. The sum of the sides of a cube is 6dm, so its surface area is 2 16dm2. () 4. The volume of the object must be less than the volume. ………………………………………………………………………………………………………………………………………………………………………………………………. ……6、3x=x？ x？ X, x3 = x+x+x................................................................................................................................................................. () 8. Cubes are special cubes. .............................. () 9. Two cuboids with the same volume must have the same surface area. .................. () 10, two cubes with the same surface area must have the same volume. .................. () Third, multiple-choice questions. (10×1=10)1.A rectangular frame with a length of 10cm, a width of 4cm and a height of () can be welded with a wire with a length of 64cm. A, 1cmB, 2cmC, 3cmD, 4cm2, the side length of the cube is enlarged by 2 times, the surface area is enlarged by () times and the volume is enlarged by () times. Cubes A, 2B, 4C, 6D, 83 with side length of 1m can be cut into () cubes with side length of 1cm. A, 100B, 1000C, 100000D, 10000004, with a volume of 8. 1dm3, the water surface will rise when put into a 3 m long tank (). A, 2.7dmB, 0.9dmC, 3dmD, 9dm5, the side length of a cube is increased from 4.5cm to 6cm, so the surface area is increased (). a、27cm2B、94.5cm2C、2 16cm2D、 124.875cm26、750cm3()0.7L、4600ml()5L、5m2()500ml、3.8L()3800ml、0.72dm3()72cm3、850cm2()8.5L。 a、gt； B,
In the sixth grade, at the end of the semester, the second book of comprehensive exercises by famous mathematics teachers is suggested. I suggest you post the questions later, otherwise you won't get the answer as you ask now.
The fifth grade second volume mathematics final sprint 100 points answer Su Jiaoban fifth grade second volume mathematics final examination paper and answer.
Fill in the blanks. (1 point per space, 24 points for * * *)
1, Xiaoming borrowed money from 20 yuan, and after spending X yuan, he still had () yuan left.
2. The greatest common factor of12 and 18 is (); The least common multiple of 6 and 9 is ().
3. Divide the 3-meter-long rope into 8 sections on average, each section is meters long and each section is full-length.
4. Xiaohong's position in the classroom is (5,4) right. She sits in column () and row (). Xiaoli's position in the classroom is column 5, line 3, which is represented by a number pair (,).
5. The smallest three digits that can be divisible by 2, 3 and 5 at the same time (); The maximum number that can divide 6 and 8 at the same time ().
6. If a÷b=8 is (and both A and B are not natural numbers of 0), their greatest common factor is () and their smallest common multiple is ().
7.(A is a natural number greater than 0), when A is a true fraction, when A is a false fraction, and when A is equal to 3.
8、 = =( )÷9=44÷( )
9. Fill in the appropriate scores in the brackets.
35 cubic decimeter = () cubic meter for 53 seconds = () when 25 hectares = () square kilometers.
10, among all divisors of 20, the largest is (), and among all multiples of 15, the smallest is ().
1 1, there is a cube dice, and the numbers on six faces are 1, 2, 3, 4, 5 and 6 respectively. Throw it once
Dice, the possibility of getting a composite number is, the possibility of getting an even number is.
Second, judge carefully. (5 points)
1, the equation must be an equation, but the equation is not necessarily an equation. ………………………………( )
2. False scores are all less than 1. ……………………………………………………( )
3. Number pairs (4,3) and (3,4) indicate the same position. …………………………( )
The greatest common factor of 4, 14 and 7 is 14. ……………………… ………………( )
5. Divide a wire into four sections, each section is meters. ……………………………………( )
Third, choose carefully. (5 points)
1. A rectangular piece of paper with a length of 24 cm and a width of 18 cm should be divided into small squares with the same size, and there is no redundancy. The smallest can be divided into ().
A. 12
2 is a true fraction, and the value of x has () possibilities.
A.3 B. 4 C. 5 D. 6
3. There are 28 boys and 25 girls in Class 5 (3), and boys account for () of the class.
A.B. C. D。
4. Divide 4g into 5 parts, each part is ().
A. Total weight
5. The greatest common factor of two numbers is 4 and the least common multiple is 24. These two numbers can't be ().
A.4 and 24 B. 8 and 12 C. 8 and 24
Fourth, careful calculation (40%)
1, writing number 4%
6.3+7= 2 1.5+9.5= 2.5×0.4= 42.8-4.28=
1-0.0 1= 3.5÷0.5= 8.2÷0.0 1= 8.2×0.0 1=
2. Solve the equation: 12%
X-7.4 = 8 2X = 3.6 X÷ 1.8 = 3.6 X+6.4 = 14.4
3. Find the greatest common factor and the least common multiple of the following groups. (9%)
10 and 9 14 and 42 26 and 39
4. Recursive equation calculation: 9%
(2.44- 1.8)÷0.4 2.9× 1.4+2×0. 16 30.8÷[ 14-(9.85+ 1.07)]
5. Make an equation according to the meaning of the question and then answer it. (6 points)
① The sum of 7 x's is 10.5.
Verb (abbreviation of verb) application questions: (1-3 questions, 27%, 5 points for each question, and 4 points for the rest).
1. There were 138 male athletes and 7 female athletes in the 28th Olympic Games in China, twice as many as male athletes. How many male and female athletes are there?
In Beijing's bid to host the 2008 Olympic Games, * * has 65,438+005 valid tickets, and Beijing has 56 tickets. What percentage of valid votes did Beijing get?
Party A, Party B and Party C go to the library to borrow books. Party A comes every six days, Party B every eight days and Party C every nine days. If they meet in the library on April 25th, when will they all go to the library next time?
There is a piece of cloth 8 meters long, just enough to make 12 pairs of pants of the same size. How many meters of fabric is used for each pair of trousers? How much of this cloth is used for each pair of trousers?
5. Cut a rectangular piece of paper with a length of 20 cm and a width of 16 m into squares with the same size and as large an area as possible. There is no paper. How many pieces can I cut at most?
6. Two cars leave from Party A and Party B at the same time. A travels 48 kilometers per hour and B travels 54 kilometers per hour. When they met, the two cars were 36 kilometers away from the midpoint. How many kilometers is it between Party A and Party B?
At the end of fifth grade, you should have the whole set, right? : 12999./3/3535.
I can fill in the answers of the final comprehensive exercise book of mathematics in the first volume of the fifth grade correctly. (20 points) 1, 0.62 hectares = () m2 2: 45 = () 2.03 hectares = () m2 0.6 minutes = () seconds 2,14.1÷1/kloc- 3. Put 2.54 and 2.54 (? ), 2.545 and 2.55 ... Use ">" in order. 4. Fill in ""or "=" in ○. (1) 0.18 ÷ 0.0900.18× 0.09 (2) 0.7× 0.700.7+0.7 (3) 3.07× 0.60500.307 Xiao Ming is one year old, his father is three years older than him, and his father is () years old. 8 8. 100 kg of peanuts can squeeze out 39 kg of oil. According to this calculation, every kilogram of peanuts can squeeze out () kilograms of oil. 9. The product of two factors is 3.6. If one factor is amplified by 2 times and the other factor is amplified by 10 times, the product is (). The highest quotient of 10 and 686.8÷0.68 is (). 2. An impartial judge (tick "√" in brackets is correct, and tick "×" in brackets is wrong). (5 points) 1 and 0.05 are multiplied by a decimal, and the product must be less than 0.05. () 2. The quotient of fractional division is less than the dividend. () 3. Two triangles with equal areas can be combined into a parallelogram. () 4. When the perimeters of a rectangle and a parallelogram are equal, the areas are also equal. () 5. An equation with an unknown number is called an equation. (3) choose one. (Fill the letters of the correct answer in brackets) (5 points) 1. The following formula is equivalent to 99÷0.03 (). a，9.9÷0.003 B，990÷0.003 C，9900÷30 2。 Draw a parallelogram into a rectangle (with the same side length) with an area of (). A is bigger than B, smaller than C, and as big as 3, because 38×235=8930, so 0.38× 2.35+ 100 = (). A.189.3b.108.93c.100.893 4,47.88 ÷ 24 =1.995, according to the method of four houses and five people, you should write (). A. 2.0 B. 2.00 C. 1.99 5。 In a triangle, the average degree of two angles is 45 degrees. This triangle is a () triangle. A. acute angle B. right angle C. obtuse angle 4 Little psychic hand. (40 points) 1. Write the number directly. (10 point) 0.001+10.099 = 3-0.98 = 6× 0.25 = 0.63 ÷ 0.9 =1.8× 0.4 = 8.95 ÷. 6 points, 3 points for each small question) (1) What is the product of the difference between 3.6 and 0.8 times the sum of 1.8 and 2.05? (2) 7 times a number MINUS this number, and the difference is 42.6. Find this number. Five, I can solve the problem! (30 points) 1. There are 2 10 apple trees in the orchard, and 38 trees are more than twice as many as peach trees. How many apple and peach trees are there in the orchard? (Solve by arithmetic first, then use the equation. (4 points) 2. The site needs 47 tons of yellow sand, which will be transported six times by a truck with a load of 4.5 tons, and the rest will be transported by a truck with a load of 2.5 tons. How many times will it be transported? (first solve by equation method, and then solve by arithmetic method. (4 points) 3. Two cars, A and B, set off from two places 630 kilometers apart at the same time, and they met after 4.2 hours. It is known that car B travels 70 kilometers per hour, and how many kilometers does car A travel per hour? (4 points) 4. There are 840 sheep in a farm, of which 560 sheep can produce wool 14.2 kg on average, and the rest can produce wool 8.5 kg on average. How many kilograms of wool can sheep on this farm produce? (4 points) 5. Car A and B leave from Station A in the same direction at the same time. Car A travels 40 kilometers per hour, and the speed of car B is 1.2 times that of car A. After 3.8 hours, how many kilometers are the two cars apart? (4 points) 6. Buying four pens is more expensive than buying five gel pens. 4.8 yuan, the price of each gel pen is 1.2 yuan. How much is each pen? (5 points) 7. The shape of the paddy field is shown in the figure below. How many holes do you need to insert if you transplant rice seedlings according to an average of 30 square decimeters per hole? Sixth, additional questions! (10) Party A, Party B and Party C spend the same money to buy a batch of apples. During distribution, Party A takes 24 kilograms more than Party C, and both parties give 24 yuan to Party C.. How much are apples per kilogram? Reference answer (taught by others) 1. 1, 15; 30; 16; 2, less than; 3、 13 ; 23 ; 4、4; 4: 1; 5. The speed of the car; 6、4000; 7、5; 8; 4; 40; 8、 128; 9、3; 10, 18.84 cm; 1 1、9.42; 12、5; 13、0.0 1。 Second, 1, ×; 2、×; 3、√; 4、√; 5、√; Third, 1, a; 2、B； 3、B； 4、B； 5、C； Fourth, 1, omitted. 2、( 1) 1 1 1 ; (2) 18 ; (3)78 ; (4) 12 (5)2247 ; (6)3; 3 、( 1)x = 70； (2)x = 20/3； 4. Omit; 5.( 1) This number is 7/5; The figure is 4.7. 5. Draw a line in the diagram 1; Figure 2 shows two. Sixth, solve the problem. 1、(2)60-60×( 1- 14 ); (3)60-60÷( 1+ 1/3)(6)60-60×3/4; 2. The speed of A: A is 32km/h; B The speed is 28 kilometers per hour. 3. The paving area is about 200 square meters. A: There are 30 students in Class Two and 39 students in Class Three. 5. It takes 10/3 hours to answer. Fifth grade exam reference answer (taught by others) 1. 1, 6200; 2.75; 2; 30; 36; 2. Mixed, 1.28 1(8 and 1 are there any small ones? ), 1.282。 3. Omit. 4、>; ; 5、 100-6x； x = 3.56、4.8; 7、3a+b； 8、0.39; 9、72。 10,000; 10 10; Second, 1, ×; 2、×; 3、×; 4、×; 5. √ Third, 1, a; 2、A； 3、C； 4、B； 5、B； Fourth, 1, omitted; 2、0.0 145; 3.00; 3、( 1) 100; (2)5 15; (3) (Jane) 8930; (4) (Jane)1001; 4 、( 1)x = 3.5 1； (2)x = 0.2； (3)x = 3.2； 5、( 1)(3.6-0.8)×( 1.8+2.05)= 10.78; (2) Solution: Let this number be x.7x-x = 42.6; x = 7. 1； V. 1. A: 340 apricot trees; Peach tree 1360. 2.a: It will be shipped in eight times. 3.A: Car A travels 80 kilometers per hour. 4. Answer: * * * can produce wool10332kg. 5.a: The distance between two cars is 30.4 kilometers. 6. A: Every 2.7 yuan. 7. a: it should be inserted around 2000 points.
The sprint at the end of primary school 100 points, all the answers in the first book of fifth grade mathematics. Please be silly, just try your best.
Comprehensive evaluation of the fifth grade mathematics guidance series at the end of the term-if you want all the answers, you don't have to think about it, and you lose the meaning of learning.