One: Fill in the blanks

Live load survival rate

total

Pine tree 800 760

Poplar 600 580

1 decimal unit. 1 1/7 is (), and it has a decimal unit like (). 2. A number consists of two 10, four 0. 1 and five 0.0 1. This number is () 3.9/5: 1/5, and the simplest integer ratio is () 4. The volume is constant, and the area of the cylinder is proportional to the height (). 5. The proportion is certain, and () is directly proportional to (). 6. The difference between the smallest prime number and the smallest natural number () 7. The greatest common divisor of the largest digit and the smallest digit is () and the least common multiple is () 8. The base angle of an equilateral triangle is 40 degrees and the top angle is () 9 degrees. The ratio of a number to 9/4 is 4/5, and the formula () of this number is 10. Two fifths of this number is () 1 1. The coal consumption of a factory this year is 10% lower than that of last year, which is equivalent to ()% 12 of last year. Master Zhang processed a batch of parts, including 38 qualified products and 2 rejected products, and the qualified rate was () 12. The central angle is 80 degrees, and the area of this sector is () 15. Enclose a rectangle with 64 cm wire, which is the length and width of this rectangle. The area of this rectangle is () 16. Fill in the form.

Second: choose

1. Move the decimal point of a number two places to the right and three places to the left, and the result is the original number ().

① 10%② 100%③ 1000%

2. If a wire is cut 3 meters, there are still 3/4. If the crosstalk stays at 2/3, it is difficult to cut off () meters, 18 meters, 26 meters, 34 meters.

3. The circumference of a circle is not directly proportional to its diameter () ① ② It is directly proportional to ③ It is inversely proportional.

4. The circumference and volume of cylinder and cone are equal, so the height of cone is () 1 1/322/333 times that of cylinder.

Three: judgment

1. In the proportion, the two internal terms are 4 and 5 respectively, and the product of the two external terms is 20. () 2. Build a highway with a length of15km, which has been built for 4/5km, and there are still 3km left to be treated. () 3. For a project, it takes 4 hours for Party A to work alone, 3 hours for Party B, and the efficiency ratio between Party A and Party B is 3: 4. () 4. Two trapezoids with equal areas can be combined into a parallelogram. ( )

Four: calculation

1. Write the number directly as 0.1× 5.1= 3 ÷ 7+2 =1.25× 0.8 =

2.0.5 +0÷ 0.5 = (3/4- 0.75 )× 0.4= 2/5× 1.2 +0.8 ×2/5=

3. Calculate the difference between ① 19/6 divided by the sum of 4/3 and 12/5 in 3/2. What's the total?

4.② The product of 4.6 and 3 is subtracted from a certain number, and the difference is 2 1.2. Find a number.

3. Find x0.34× 2-7/10x =1/20x: 7/2 = 5.6: 0.4.

4 Simple calculation101× 85 = 59/7-22/9-14/9 =

5. Simplify (47/5-10.5× 4/5) ÷ (5.75+7/3+1/4) (grade writing score)

6. Deformation calculation (6.25-45 ÷18× 2.5) ÷ 7.3 = (3112-0.5+25/12) ÷ 4/.

A tractor factory planned to produce 4000 sets last year, but actually produced 4200 sets. What percentage of this plan has actually been completed?

2. One copy of a manuscript takes 8 hours for Party A and 10 hours for Party B.. After two hours of joint copying, how many hours does Party A need to copy?

3. A cone, the bottom circumference 18.84m, the height 1.5m, and the weight per cubic meter1.5t. How many tons is this cone?

A story book has 480 pages, and Li Hua read 120 pages in three days. At this rate, how many days will it take to finish reading this book?

On the map with the scale of 1: 6000000. A and b are 1 1 cm. How many kilometers are A and B? If the speed of a train is 55 kilometers per hour, how many hours will it take?

Last year, this car factory planned to produce 7000 cars. Results 4/7 was completed in the first half of the year and 60% in the second half. How many more cars did it actually produce last year than planned?

Final exam of fifth grade mathematics (1)

fill (up) a vacancy

1.3: 45 = () (fill in decimals) = ().

2.5 square meters 75 square decimeter = () square decimeter

3.4,390,600 write () and the mantissa after omitting 10,000 is about () million, and 4,2000 can be divisible by 3 and 5 at least through subtraction ().

5. The quotient of12 divided by 1 1 is () in fractions and () in cyclic decimals. 6. The least common multiple of two coprime complex numbers is 120, which are () and () respectively.

7. There are 5 kilograms of oil, first use up 2/5, then use 2/5 kilograms, leaving () kilograms.

8. If 40% of a number is less than 60% times 1.5 of this tree, then this number is ().

9. If the molecule of fraction a/7 is magnified three times, and this fraction is equal to 2 and 1/7, then a=() 10. Draw the largest circle in a square with a side length of 4 decimeters. The mass of this circle is actually () decimeters, the circumference is () decimeters, and the area formula is ().

Second, judge. Correct painting "√" Wrong painting "×"

1. The ratio of male workers to female workers is 3: 2, so the number of female workers is 2/3 of that of male workers ().

2. It is always five times the ten digits of B, so B must be the divisor of the family number ()

A commodity with a price of 3.40 yuan is now increased by 20% and then increased by 20%. Now the price is 38.4 yuan ().

4.x and y are two natural numbers, because 1/5 x = 1/6 y, so x > y ().

Choose the letter of the correct answer and put it in brackets.

The number 1.A is a, which is three times less than the number b. The formula of b number is

a(a-B)÷3b(a+B)÷3c(a÷3-B)

2. Not only quantity can be expressed, but also the change of quantity can be clearly expressed. You should choose ().

A bar chart b line chart c fan chart

3. The sum of the sides of a cuboid is 40m, the ratio of length to width to height is 5: 3: 2, and the volume of this cuboid is ().

30 cubic decimeter B.240 cubic decimeter C 1920 cubic decimeter

4 On the map with the scale of 1/2000000, 2 cm means ().

0.4 km B4 km C40 km

4. Calculate the following questions, and simplify what can be simplified.

1.908×99+908 = 2。 4.2×0.375+4.2×0.625=

3。 5/6×6/7+2/5+4/5= 4.〔3/4-〔 1/4+5/ 16〕〕×8/9

Five: the text narrative questions

What is the product of 1.4 divided by 3.2 times the sum of 0.25 and 0.35?

2。 4.5 times the number minus 80% of 2.5 is 8.8. Find this number. (column equation solution)

6. There is a semicircle and a parallelogram below. Find the area of the shaded part in the picture.

、

Seven. application problem

1. The household appliances department of a store sold 25 computers on Sunday morning, which was 4/5 of that in the afternoon. How many computers are sold in a day?

Class 1, Grade 5, bright primary school donated 480 books to Project Hope, accounting for 25% of the total. How many books did * * * donate in the whole grade? (in two ways)

3. A road maintenance team plans to build a road, which can be completed in 25 days, 60 meters per day. In fact, 75 meters a day is completed. How many days will it take?

4. Mr. Wang wrote a book in his spare time and got 8500 yuan for the manuscript. According to the individual income tax law, the tax rate of the part of the income from the manuscript fee after deducting 800 yuan is 20%. How much personal income tax should Mr Wang pay?

5. The distance between A and B is 1008km. A passenger train and a freight train left the two places at the same time and met for 4 hours. It is known that the speed of live trains is 80% of that of passenger trains. What are the speeds of buses and trucks?

6.2-meter-long cylindrical steel pipe with inner diameter 10 cm and wall back 1 cm. How many cubic centimeters is the volume of this steel pipe?

Primary school mathematics volume 1 1 final examination paper

Name and grade of school class

(The total score of this volume is 100, and the examination time is 90 minutes)

First, when the judge judges right or wrong. (Mark "√" correctly and "×" incorrectly) 6%

1, the meaning of multiplying a number by a fraction is different from that of integer multiplication. ( )

Apples are heavier than pears, that is, pears are lighter than apples. ( )

Add "%"after 3.3.2, and the original number will be reduced by 100 times. ( )

4. The diameter of a circle is longer than the radius. ( )

5, because =25%, so meters =25% meters. ( )

6. Under the condition of constant interest rate, the more principal is deposited in the bank, the more interest will be earned after maturity. ( )

Second, happy do, re and mi. (Put the serial number of the correct answer in brackets) 6%

1, in 200 grams of salt water, put 40 grams of salt, the ratio of salt to water is ().

[ ① 1 : 6 ② 1 : 5 ③ 1 : 4 ]

2. () There are only two symmetry axes.

[① Square ② Rectangular ③ Isosceles trapezoid]

3. A × = b ÷ (both A and B are greater than 0), then ().

[ ①a>b ②a