How to review the final exam of the fifth grade mathematics in primary school?

Reward score: 30- Question time 2006-6-27 10:47 Why was the question blocked?

You can get 100 points. Who wants to give me some review materials? Thank you! ~ I don't have much time. ....

Questioner: Love Pen B- Answer 7 items at the first level during the probation period.

In the autumn of 2005, the fifth grade was reviewed at the end of the term (6)

fill (up) a vacancy

1, 3.5×4 means (), 1.8×0.4 means ().

2. The quotient of two numbers is 10. If the dividend is enlarged by 2 times and the divisor is reduced by 2 times, the quotient is ().

3.9.64 The reserved two decimal places are (), and the tenth decimal place is (), and the reserved integer is ().

4. The two cyclic decimals are 3.274 and 3.274 respectively, in which the pure cyclic decimal is () after retaining three digits, which is a mixed cycle.

The decimal place with two digits after the decimal point is ().

5.7 hectares = () square kilometers = () square meters 5. 15 hours = () hours () minutes.

6. The base and height of the parallelogram are expanded 8 times, and its area is ().

7. The area of a triangle is 3.2 square decimeters, and the area of a parallelogram with equal base and equal height is ().

8. Triangle and parallelogram are equal in area and height, and the base of parallelogram is 6.8 decimeters.

The base of the triangle is ().

9. The decimal part of the number has two digits. If one decimal digit is reserved, it is 10.0. This decimal number is rounding up.

The first maximum value can be () and the minimum value can be ().

10, the area of a triangle is 36 square decimeters, and the heights of three sides are 12 decimeters, 9 decimeters and 8 points respectively.

M, the three sides of this triangle are (), () and (), and the perimeter is ().

2. Judgment: (5 points)

1, the trapezoid has only one set of parallel opposite sides. ( )

2. The value of the unknown is the solution of the equation. ( )

The area of parallelogram is twice that of triangle. ( )

4.3× (x- 1.5) contains unknowns, so it is an equation. ( )

The meaning of fractional division is the same as integer division. ( )

Three. Choice (5 points)

1, if a× 0.25 = 5, then a( )5.

a 、< B 、= C 、>

2. The area and base of triangle and parallelogram are equal. If the height of the parallelogram is 0.6m,

Then the height of the triangle is ().

a，0.6m b， 1.2m c，0.3m。

3. The perimeter of a square and a rectangle is equal, so the area of () is large.

A, rectangle B, square C, can't compare.

4. An acute angle of a right triangle is 45 degrees, the right side is 8 decimeters, and the area is ().

A, 64 square decimeter b, 360 square decimeter c, 32 square decimeter

IV. Calculation: 1, oral calculation

0.06× 1.5= 0.35÷0.7= 2.5×0.8= 3. 14-0.9=

4.2÷0.0 1= 400×0.35= 16.32÷8= 6.3× 1.0 1=

14.8-6×0.8= 10-4.8-3.2= 15.5- 15.5÷5=

2. Calculate the area of each question, which can be simply calculated in a simple way.

5.6-3.72+ 14.4-6.28 35. 12-(5. 12+3.75)+3.75

( 16.8+ 1.47)÷0.7 9.9×76 1.25×2.5×0.64

15.3÷( 10.84-9.3×0.8) 〔 12.7-(7.24+4.5)〕×5.2

3. Solve the equation:

4x+0.7×3 = 6.5 0.6x÷ 1.25 = 0.24 4× 1.5+3x = 18

4, column calculation:

10.84 minus the product of 9.3 and 0.8, and then divide the difference by 15.3. What is the quotient?

Subtract 20 from half a number to get 3.5. What's this number?

5. The shape of the cornfield is shown in the picture. How many square meters is it?

Six, application problems:

1. Bind the book with a batch of paper. If each book contains 30 pages, it can hold 500 books. If each book contains 20 pages, how many volumes can be bound?

2. Six cars transport 48 tons of coal at a time, and 12 cars transport 42 tons of coal at a time. At present, there are 1 15 tons of coal. How many times can a cart and a car be transported at the same time?

3. Xiaohong walked four times along the 40-meter-long straight road, and his scores were 68 steps, 69 steps, 70 steps and 69 steps respectively. According to this

She walks 420 steps from home to the bookstore. How far is her home from the bookstore?

The two trains A and B leave from two places at the same time and meet in 4.5 hours. At this time, the A train is more important than the B train.

22.5 kilometers. It is known that car B travels 60 kilometers per hour. How many kilometers does car A travel per hour?

5. Master and apprentice make parts. The master earned 360 yuan, 40 more than twice that of the apprentice. How much did the apprentice do?

Answer?

6. The students in Class One, Grade Five went boating. They rented some boats. At this time, they found that if each ship takes eight people, it is 1.

People can't get on the boat; If each boat takes 9 people, there will be 1 boat with 5 seats. How many people are there in Class One, Grade Five?

People go boating?

Fill in the blanks.

1.2.5× 7× 4 = 7× (2.5× 4) This is based on ().

2.0.4÷0.25=( )÷25

3.0.48÷0.2÷0.8=0.48÷( )

The quotient of 4.0.5 ÷ 7.5 has three decimal places ().

5. The picture on the right is a parallelogram (unit: cm) composed of two identical triangles. The area of this parallelogram is () cm 2, and the area of a triangle is () cm 2.

10

6. The trapezoidal area on the right is ().

5.4 cm 30

3 cm

3.6 cm

7. The teacher bought α math books with 78 yuan money, and the unit price of each math book was () yuan.

8. There are A people in the art group, 15 people in the sports group and () people in the sports group.

Judgment (tick √ in brackets for correctness, and x for error).

1.6.89696 ... The reserved two decimal places are 6.90. ()

2. If the base of a triangle remains unchanged and its height is doubled, its area will be doubled. ()

3. The upper bottom and height of the trapezoid are unchanged, and the area of the trapezoid will be doubled if the lower bottom is doubled. ()

4. The bases of triangles and parallelograms are equal, the height of triangles is twice that of parallelograms, and the areas of triangles and parallelograms are equal. ()

5.85-2z is the equation. ()

6.A2 is α× 2. ()

Third, choose (fill in the correct answer in brackets).

1. It is known that the product of 0.35× 170 = 59.5 and 3.5× 1.7 is ().

A.O.595 B.5.95 C.59.5 D.595

2. The upper bottom, the lower bottom and the height of the trapezoid are expanded by 2 times respectively, and its area is also expanded ()

A.2 B.4 C.6 D.8

3. The relationship between the right area is correct ().

A.S 1+S2=S3 B.S 1=S2 S2

C.s2 = s3+s 1d。 Can't judge.

S3

In the following statement, () is correct.

A. the solution of the equation is the solution. Equation B.3+5 = 8 is the equation.

C. the equation is also an equation. This equation is an equation.

Fourth, calculation.

1. Numbers written directly.

0.25×8= 5.6×99= 18.45÷9=

3×0.32= 0.64÷0.4= 2.7÷0.3=

2. Calculate the following questions in a simple way.

22.7× 1.25×0.8 = 3.9 1×2.8+6.09×2.8 =

3. Solve the equation (write out the inspection process of the last two questions).

5x+28 = 7 1 8.7- 1.2x = 3.9 8x+0.73×4 = 35

0.75 x-0.95×4 = 8.5 54÷2+3x = 72 8x-2.6x = 37.8

5. List the equations and find their solutions.

(1) The product of a number multiplied by 0.32 is 5 times that of 12.44 less than 3. Find this number.

(2) Subtract 5 times of a certain number from 6.75 to get 2.75, and find a certain number.

Sixth, the application problem.

1. It is known that the area of a triangle is12cm2, the base of this triangle is 8cm, and how many centimeters is its height?

2. How many minutes does it take for Xiaohong to type 28 words per minute, Xiaoqing to type 30 words per minute, and two people to type a manuscript of 1566?

3. Mom bought 3 bags of milk powder and 4 bags of washing powder, one * * * 57.9 yuan. It is known that each bag of washing powder is 4.2 yuan, and how much is each bag of milk powder?

Xiao Fang's father is 27 years older than Xiao Fang. How old was Xiao Fang when Xiao Fang's father was 2.5 times his?

5. Workshop A and Workshop B have 3 12 employees, and the number of employees in Workshop A is 1.4 times that in Workshop B. How many employees are there in each workshop?

6. The number of buses in the parking lot is 0.5 times that of 65438+ trucks. After 42 buses left, the number of remaining buses and trucks was equal. How many buses and trucks are there?