Mathematics orientation examination paper of fifth grade in primary school

Fill in the blanks. (Per grid 1 minute, ***23 points)

1, 9.87 l = () ml 2700 cubic centimeters = () cubic decimeter.

2. Fill in the appropriate unit of volume in the brackets.

(1) Children need to drink 1 100() (2) A bottle of shampoo is about 500 ().

(3) Xiaojun's family uses cooking oil every month. (4) A barrel of yogurt is about 1.25 ().

3. Mid-term exam papers and answers in the second volume of fifth grade mathematics: the smallest natural number is (), the smallest odd number is (), the smallest prime number is (), and the smallest composite number is (). The largest four digits of these four numbers are ().

4. A cuboid has () faces, () sides and () vertices.

5. The smallest two-digit number divisible by 2, 3 and 5 at the same time is (), and the largest three-digit number is ().

6. It is the largest number in a thousand, the smallest composite number in a hundred, the smallest prime number in ten, and the smallest natural number in the unit. This number is ().

7. The length of a cube is 36 cm, the volume is () and the surface area is ().

8. The sum of three consecutive even numbers is 36, which are (), () and () respectively.

9. The volume of a cuboid wood is 4.5 cubic decimeter, the cross-sectional area is 0.5 cubic decimeter, and the length of the wood is () decimeter.

Second, judge. (Mark "√" correctly and "×" incorrectly) ×”)( 10/0 score. )

1, 0 is a factor with nonzero natural number. ( )

2. A natural number, if not a prime number, must be a composite number. ( )

3 and 2 are even numbers and prime numbers; 9 is an odd number and a composite number. ( )

The multiple of a number must be greater than the divisor of this number. ( )

5. Multiple digits with unit of 0 must have factors of 2 and 5. ( )

6. In the formula of 9÷6= 1.5, 6 can be divisible by 9. ( )

7. The product of two prime numbers must be a composite number. ( )

8. The sum of two odd numbers is still odd. ( )

9. Cubes are special cuboids. ( )

10. A cuboid has at least four rectangular faces. ( )

Third, choose. (Put the serial number of the correct answer in brackets) (20 points)

1, a bucket can hold 15 liters of water, which means that the bucket () is 15 liters.

Volume a, volume b and volume c

2. To make a bigger cube requires () cubes with a side length of 1cm.

a、2 B、4 C、8

3. The sum of two prime numbers is ().

A, odd b, even c, odd or even.

4. The number indicating the number of goldfish in the fish tank is ().

A, odd number b, fraction c, natural number

5, the size of the object (), called the volume of the object.

A, space b, position c, area

6. Divide a cuboid of wood into two equal sections, and the surface area will increase ().

A, 1 face b, 2 faces c, 4 faces

7,421minus () can be divisible by 2,3,5 respectively.

a、 1 B、 1 1 C、2 1

8, 1.5 cubic meter = () cubic decimeter

a、 15 B、 150 C、 1500

9. When the side length of a cube is doubled, the surface area will be doubled and the volume will be doubled.

a、2 B、4 C、8

10, the volume of a math book is about 150 ().

A, cubic meter b, cubic decimeter c, cubic centimeter

4. Answer the following questions as required. (17)

1. Fill in different trees in () so that all numbers are multiples of 3.

( 1)5( ) 1 5( ) 1 5( ) 1 5( ) 1

(2) 13( )3 13( )3 13( )3

2. Fill in the appropriate numbers in () so that the numbers filled in are multiples of 2, 3 and 5 at the same time.

5( )3( ) 6( ) 1( ) ( )9( )

3. Guess who I am.

(1) I am a multiple of 6 and a multiple of 4. Don't forget that I am still a factor of 12. ( )

(2) The sum of 2)us is 6, the product is 8, the prime number is (), and the composite number is ().

(3) The sum of our two people is 18, and the product is 77. These two prime numbers are () and () respectively.

(4) The two of us add up to 20, with a difference of 6. These two prime numbers are () and () respectively.

Fifth, the application problem. (4 points for the first six questions, 6 points for the last question, ***30 points)

1. The science and technology team made a cuboid model with 60 cm wire. This rectangle is 6 cm long, 5 cm wide and 5 cm high.

2. There are 57 peaches in the Monkey King, and each little monkey gets 5 peaches. When I divided the last monkey, I found a few peaches missing. At least a few more peaches are enough. How many monkeys are there?

There is a bunker on the playground of Chaoyang Primary School, which is 2.5m long, 0.5m wide and 0.6m deep. How many cubic meters does it take to fill this bunker?

4. Make a rectangular iron drum without a cover, with a side length of 4 decimeters and a height of 5 decimeters. How many square decimetres of iron does it take to make this barrel?

A 4-meter-long cube fish tank is filled with water. Pour water into an empty cuboid fish tank with a length of 8 cm and a width of 4 cm. How deep is the water?

A classroom is 8 meters long, 6 meters wide and 3.5 meters high. Now we must paint the walls and ceiling of the classroom. The area of doors, windows and blackboards is 22 square meters, with an average of 0.25 kg of paint per square meter. How many kilograms of paint does it take to paint this classroom?

7. There is a rectangular glass cylinder with a length of 5 decimeters, a width of 4 decimeters and a depth of 2 decimeters. Put a cubic iron block into the cylinder, and then fill it with water (at this time, the water has flooded the cubic iron block). When the iron block was taken out, the water surface dropped by 0.2 decimeter. What is the volume of iron?

answer

1. Fill in the blanks.

198702.72ml liter 3 0 1 2 4 42 10

6 12 8 5 30 990 6 9420 7 27 cubic centimeters 54 square centimeters 810/2149

Second, judge.

1.√ 2、× 3、√ 4、× 5、√ 6、× 7、√

8、× 9、√ 10、√

Third, multiple choice questions.

1、A 2。 C 3。 C 4 explosive C 5。 A six. B 7。 An eight. C 9。 B C 10。 C

Fill in the blanks as required.

1、( 1)0 3 6 9 (2)2 5 8

2、5( 1、4、7)3(0) 6(2、5、8)2(0) (3、6、9)90