Math exam questions 2020

number

Correctness / inaccuracy of the solution

ball

1

For any correct solution;

if no mistake is made in reasoning and justifying the solution;

if the drawing corresponding to the answer is done correctly, and if it meets all the requirements set for the written work.

5

2

For any correct solution, but for flaws in the calculation and 1-2 minor errors.

4

3

Because he made gross errors in the performance of the task and shortcomings in the calculation, the answer was not obtained correctly.

3

4

Because the student did not get the right answer because there were so many gaps in the work done, but because there was the right idea in the solution.

2

5

From a mathematical point of view, the solution is started, but because of the gross errors in the calculation, an incorrect answer is generated and the solution is not explained.

1

Mathematics

5th grade

ASSIGNMENT 1

OPTION 1

1. Perform the steps: a) _  ??; b) _ 

2. Solve the equation: a) 12p-5p = 56; b) 6n + 5n = 34,1

3. The edges of a rectangular parallelepiped 25 cm wide, 3 dm long and 18 cm high were made of wire. How many wires were used for this?

4. Two cyclists from villages A and B set off towards each other. The speed of the first cyclist is 6 km / h, which is 1,2 km / h less than the speed of the second. If they met in 5 hours, find the distance between the villages?

5. 17% of the apples in the garden were brought to the market, which is 2720 kg. How much was harvested from the garden?

OPTION 2

1. Perform the steps: a) _ ?? ; b) _ 

2. Solve the equation: a) 14a-11a = 41,22; b) 5y + 6y = 132

3. If 1 _ If 4 g of paint is applied to the surface, how many kg of paint are needed to paint a cube with edges of 25 dm?

4. It turned out that Jasur bought 5 identical books and 2000 different pens for 3 soums each and sold them for 41000 soums. Find the price of the book?

5. While 45% of the tourists were men, how many of the 320 tourists were women?

ASSIGNMENT 2

OPTION 1

1. If _  if _  find the value of the expression.

2. Solve the equation: _ 

3. A rectangle is 78 cm long and 3 times shorter than its width. Find the perimeter and surface of this right rectangle.

4. From a rope 326 m long first 45 m and the second time from the previous 12 m excess was cut. How many meters is the remaining rope?

5. When the price of the book increased by 12%, it became known that it had risen by 2400 soums. How much did the book originally cost?

OPTION 2

1. If _  if _  find the value of the expression.

2. Solve the equation: _ 

3. The width of a right rectangle is 18 dm, it is the neck _  part of Find the perimeter and face of this right rectangle.

4. Amirbek spent 35% of his money after buying a ball and a bag for 45000 soums. How much money did he have with him?

5. How far does a car with a speed of 120 km / h cover a distance of 600 km and a car with a speed of 175 km / h cover a distance of XNUMX km?

ASSIGNMENT 3

OPTION 1

1. Round the numbers: a) put the number 39,6138 in one room;

b) the number 97,8072 to the face room; c) the number 0,92549 per thousandths of a room.

2. Solve the equation: _ 

3. 3 rose seedlings were planted along 46 flower beds and sidewalks of the school garden. If 16 roses are planted along the sidewalks, how many roses are planted in 2 flower beds?

4. The tourist covered 35 km in three days. He covered 11 km on the first day and the rest of the way on the second day _  How far should the third day go if you have covered part of it?

5. The area of ​​a rectangular area is 32 m and its width is 500 m. What is the length of this field?

OPTION 2

1. Round the numbers: a) the number 62,9708 to the decimal place;

b) the number 4149,64 to the face room; c) the number 0,06554 per thousandths of a room.

2. Solve the equation: _ 

3. If the room is 2,8 m wide, 1,7 m long and 1,5 times shorter, find its volume.

4. The surface area of ​​a rectangular earth is 11,4 ar. The width of the land area is 30 m. What is the length of the earth's surface?

5. The speed of the boat along the stream _  km / h, and the speed of the river flow _  km / h. Find the speed of the boat against the current

ASSIGNMENT 4

OPTION 1

1. Find the value of the expression: _ 

2. Solve the equation: _ 

3. If the room is 5 m long, 1,04 m shorter than the width, and 1,8 times shorter than the width, find its volume.

4. _  the perimeter of the triangle is 80 cm. _  side 12 cm, _ the other side _  by 3 times longer. _  find the length of the side.

5. How many students were in the class if half of the students in the class did a math written assignment with good grades, the other half with excellent grades, and the remaining 8 students with 3 grades?

OPTION 2

1. Find the value of the expression: a) _{ } b) _{ }.

2. Solve the equation: _{ }∙ x + 1,3 = 9,5.

3. The surface area of ​​a garden area that is rectangular in shape is 6 ar. The width of the garden is 25 m. What is the length of the garden?

4. _  the perimeter of the triangle is 36 dm. _  side 15 dm, _ the other side _  by 3 times shorter. _  find the length of the side.

5. Jamshid spent 65% of his money on art books and shoes for 84000 soums. How much money did he have with him?

ASSIGNMENT 5

OPTION 1

1. Round the numbers: a) put the number 508,482 in one room; b) the number 4151,07 to the face room; c) the number 95,20959 per thousandths of a room.

2. Solve the equation: _{ }

3. The perimeter of the triangle is 28 cm, one side of the perimeter _  part, the second side is the first side _  part of Find the sides of the triangle.

4. If the width of a rectangular area is 50 m and the height is more than 10 m, find its surface and express it in ar.

5. The tape is divided into two parts. If the first piece is 26,4 dm and the second piece is 12 cm longer than the first, find the length of the tape.

OPTION 2

1. Round the numbers: a) the number 0,00708 to the decimal place;

b) the number 713964 to the face room; c) the number 9,66551 per thousandths of a room.

2. Solve the equation: _{ }

3. The perimeter of the triangle is 42 cm, one side of the perimeter _  part, the second side is the first side _  part of Find the sides of the triangle.

4. The sides of a right rectangle are 46 cm and 54 cm. Find the side and surface of a square whose perimeter is equal to the perimeter of a right rectangle

5. In the garden, if Jasur picked 26,4 kg, Alisher 8,7 kg, and Kamron picked twice less apples, how many apples did the children pick in total?