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# Bộ đề thi học kì 2 môn Toán lớp 5 năm 2020 – 2021 theo Thông tư 22 12 đề thi kì 2 môn Toán lớp 5 (Có bảng ma trận, đáp án)

The set of exam papers for the second semester of Grade 5 Mathematics for the year 2020-2021 according lớn Circular 22 includes 12 exam questions, including a matrix of exam questions.marking instructions and answers are attached, helping teachers lớn refer lớn the 2nd semester exam questions for their students.

At the same time, it also helps 5th graders lớn review, practice problem solving and compare results more conveniently. In addition lớn Math, you can refer lớn the exam questions of Vietnamese, History – Geography, Science grade 5. So invite teachers and students lớn refer lớn 12 Math 2nd exam questions in the article below. of Phần Mềm Portable:

## Maths 2020-2021 2nd semester exam papers for grade 5 trực tuyến

### Math exam for the second semester of grade 5 for the year 2020 – 2021

 DEPARTMENT OF Education & Training……………………..Primary school………………………….HS name: …………………………Class: 5 QUALITY INSPECTION FINAL TERM IISCHOOL YEAR 2020 – 2021 MATH

Please circle the letter in front of the correct one:

Question 1: (0,5d) In which decimal form is the fraction written?

A. 2.5
B. 5.2
C. 0.4
D. 4.0

Verse 2: (0,5d) Decimals consisting of 3 hundred, 4 units, 5 tenths and 6 thousandths are written as:

A. 34, 56
B. 304, 56
C. 304, 506
D. 34,506

Question 3: (0,5d) In the decimal number 956.82 which row is 2 in?

A. Units
B. Dozens of
C. Tenths
D. Percentages

Question 4: (0,5d) What kind of percentage is 0.45 written in?

A. 45%
B. 4.5%
C. 450%
D. 0.45%

Question 5: (0,5d) What is the volume of a cube with side 5 dm?

A. 125 dm3
B. 100 dm2
C. 100dm3
D. 125 dm2

Question 6: (0,5d) What is the area of ​​a circle with a radius of 10cm?

A. 31.4 centimet2
B. 62.8 centimet2
C. 314 centimet2
D. 125.6cm2

Verse 7: (0,5d) Choose the correct way lớn calculate the area of ​​a trapezoid with a large base of 25 centimet, a small base of 21 centimet and a height of 8 centimet, which of the following?

A. ( 25 21 ) 8 : 2
B. ( 25 + 21) 8 : 2
C. ( 25 + 21) : 8 2
D. (25 21) : 8 2

Verse 8: (0,5d) It takes 2 hours and 30 minutes for a motorbike lớn travel 90 km. At what speed is that motorbike going?

A. 36 km/h
B. 40 km/h
C. 45 km/h
D.225 km/h

Verse 9: (0,5d) 46.75 + 24.48 =?

A. 712.3
B. 71.23
C. 70.23
D. 7123

Question 10: (0,5d) 26.4 : 2,2 =?

A. 1.2
B. 12
C. 58.08
D. 120

Question 11: (0,5d) 40.8 : 12 – 2.03 =?

A. 1.27
B. 12.7
C. 13.7
D. 1.37

Verse 12: (0,5d) To find a number knowing 30% of that number is 180 we do the following:

A. Multiply 180 by 30
C. How many times do you multiply by 100 . when you divide 180 by 30?
B. Divide 180 by 30
D. How much does 180 multiply by 30 divided by 100

Verse 13: (0,5d) A store sold 30% of its stock and earned 15 000 000 dong. How much money will the store make if it sells out?

A. 4 500 000 Việt Nam Đồng
B. 45 000 000 Việt Nam Đồng
B. 50 000 000 Việt Nam Đồng
D. 450 000 000 Việt Nam Đồng

Verse 14: (0,5d) 3km 48m = …….km. The number lớn be filled in is:

A. 3.048
B. 3,480
B. 348
D. 3048

Verse 15: (0.5d) 1.05 m3 = …….. dm3. The number lớn be filled in is:

A. 105
B. 1005
C. 1050
D. 1500

Verse 16: (0,5d): A cyclist starts from A at 7 o’clock with a speed of 12 km/h. At 8 o’clock a motorcyclist also from A chases the cyclist with a speed of 42 km/h. What time does the motorcyclist catch up with the cyclist?

A. 24 minutes
B. 1 hour
C. 7 hours 24 minutes
D. 8 hours 24 minutes

Verse 17: (0,5d) If the side of the cube is doubled, how many times will the surrounding area be increased?

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

Verse 18: (0.5d) If the radius of a circle is reduced by 3 times, how many times will the circumference decrease?

A. 3 times
B. 6 times
C. 9 times
D. 12 times

Verse 19: (0,5d): A trapezoidal field has a small bottom 8m long and a large bottom 12m long. Extending the big bottom by 5m will increase the area of ​​the field by 25m2. By how much percent will the area of ​​the field increase?

A. 125m2
B. 20%
C. 25%
D. 50%

Verse 20: (0,5d) A train crosses a 450m-long bridge in 45 seconds and over an electric pole in 15 seconds. Calculate the length of the train.

A. 3m
B. 200m
C. 200m
D. 225m

### Answers lớn the 2nd semester math exam questions for grade 5, 2020 – 2021

 TT THE SENTENCE ANSWER first first OLD 2 2 OLD 3 3 EASY 4 4 A 5 5 A 6 6 OLD 7 7 REMOVE 8 8 A 9 9 REMOVE ten ten REMOVE 11 11 EASY twelfth twelfth OLD 13 13 REMOVE 14 14 A 15 15 OLD 16 16 EASY 17 17 REMOVE 18 18 A 19 19 OLD 20 20 EASY

## Exam questions for the 2nd semester of 5th grade in Mathematics according lớn Circular 22 – Topic 1

### Matrix 2nd semester math exam questions for grade 5, 2020 – 2021

 TT Topic Level 1 Level 2 Level 3 Level 4 total TN TL TN TL TN TL TN TL TN TL first Decimals, operations with decimals, percentages Number of sentences 3 first first 4 first Sentence number 1, 2, 3 4 8 Score 1.5 0.5 2 2 2 2 Area and volume of some learned figures Number of sentences first first 2 Sentence number 5 6 Score 2 first 3 3 Solve problems about uniform motion Number of sentences 2 first 3 Sentence number 7;9 ten Score 2 first 3 Total number of sentences 1.5 first 4 3 first 4 6 Score 1.5 4.5 3 first ten

### Maths for the 2nd semester of the 5th grade year 2020 – 2021

 DEPARTMENT OF Education & Training……… Primary school………….. FINAL TEST OF 2nd semester 2020 – 2021Math – Grade 5(Time lớn do the test is 60 minutes, excluding the time for assignment)

Circle the best answer (From questions 1 lớn 3):

Question 1: (0.5 points) The value of the digit 9 in: 217.95 is: (M1)

A. B. C. Verse 2: (0.5 points) Mixed numbers converted lớn decimal is: (M1)

A. 39,100
B. 3.9
C. 3.09

Question 3: (0.5 points) 45% of 180 is: (M1)

A. 81
B. 18
C. 1.8

Question 4: (0.5 points) Correct put T in the blank: (M2)

The sequence of numbers arranged in order from largest lớn smallest is:

☐ 7.9 ; 7.59 ; 7,509 ; 7.0059

☐ 7,059 ; 7.59 ; 7.9 ; 7.509

Question 5: (2 points) Write the correct number in the dot: (M2)

A cube has side 2.4m.

The total area of ​​the cube is: …………m2

The volume of the cube is: …………m3.

Question 6: (1 point) Write the correct number in the dot: (M 3)

A circle has a diameter of 8cm. The area of ​​that circle is …………centimet2.

Verse 7: (1 point) Write the appropriate number and unit in the dot: (M3)

Two cities A and B are 148.75 km apart. A car travels from A lớn B at a speed of 42.5 km/hr. Time taken by car lớn travel from A lớn B is:

Verse 8: (2 points) Set and calculate: (M2)

a. 605.24 + 217.3

c. 19.5 x 5.9

b. 46.8 – 9.35

d. 307.05 : 8.9

Verse 9: (1 point) Write the appropriate number and unit in the dot: (M3)

A motorbike covers a distance of 96.75 km in 2 hours and 15 minutes. The speed of the motorcycle is: ……………………

Question 10: (1 point) Solve the following problem: (M4)

A canoe travels from A lớn B at a speed of 12 km/hr. The canoe departs at 7:30 and arrives at B at 11:15. Calculate the length of the river AB.

### Answers lớn the 2nd semester math exam questions for grade 5, 2020 – 2021

Question 1: A (0.5 points)

Verse 2: C (0.5 points)

Question 3: A (0.5 points)

Question 4: Fill in the blank box with T in front of the number series:

7.9 ; 7.59 ; 7,509 ; 7.0059. (0.5 points)

Question 5: The total area of ​​the cube is: 34.56m2 (1 point)

The volume of that cube is: 13,824m3 (1 point)

Question 6: 50.24 centimet2 (1 point)

Verse 7: 3 hours 30 minutes (or 3.5 hours) (1 point)

Verse 8: (2 points)

(Set the calculation and correctly calculate each calculation 0.5 points)

a) 822.54 ;

c) 115.05 ;

b) 37.45 ;

d) 34.5

Verse 9: 43km/h (1 point)

Question 10: Solution: (1 point)

The time taken by the canoe lớn travel from A lớn B is:

11:15 – 7:30 = 3 hours 45 minutes (0.5 points)

Exchange: 3 hours 45 minutes = 3.75 hours

The length of river AB is:

12 x 3.75 = 45 (km) (0.5 points)

Note: Do not write down the answer, answer or write incorrectly: subtract 0.25 points for the whole lesson

(Depending on the student’s solution, the teacher marks accordingly)

## Exam questions for the 2nd semester of 5th grade in Mathematics according lớn Circular 22 – Topic 2

### Matrix 2nd semester math exam questions for grade 5, 2020 – 2021

 Circuit of knowledge Level 1 Level 2 Level 3 Level 4 total TN TL TN TL TN TL TN TL TN TL Numerals Number of sentences 2 first 2 first Sentence number 1.2 8 Score first 2 first 2 Quantity Number of sentences first first Sentence number 7 Score first first Geometry Number of sentences first first first 2 first Sentence number 3 5 9 Score 0.5 first 2 1.5 2 Solve problems with the wording Number of sentences 2 first 2 first Sentence number 4; 6 ten Score 1.5 first 1.5 first total Number of sentences 2 2 first 3 first first 7 3 Score first 1.5 2 2.5 2 first 5 5

### Maths for the 2nd semester of the 5th grade year 2020 – 2021

 DEPARTMENT OF Education & Training……… Primary school………….. FINAL TEST 2020 – 2021Math – Grade 5(Time lớn do the test is 40 minutes, excluding the time lớn give the assignment)

I. TEST PART: (5 points)

Circle the letter in front of the correct answer for questions 1, 2, 3, 4, 5:

Question 1: In the decimal number 67,183 which row is 8 in?

A. Dozens
B. Tenths
C. Percentages
D. Thousandths of

Verse 2: The number 0.45 written as a percentage is:

A. 45%
B. 4.5%
C. 450%
D. 0.45%

Question 3: The area of ​​a circle with a diameter of 20 centimet is:

A. 31.4 centimet2
B. 62.8 centimet2
C. 314 centimet2
D. 125.6 centimet2

Question 4: A class has 30 students, including 12 girls. So the ratio between the number of girls and the number of students in that class is:

A. 250%
B. 40%
C. 66.7%
D. 150%

Question 5: The area of ​​a trapezoidal field with the lengths of the two bottoms is 20 m, respectively; 15 m, height is 10m is:

A. 350 m2
B. 175
C. 3000 m2
D. 175 m2

Verse 6: A motorbike covers a distance of 90 km in 2 hours and 30 minutes. That motorcycle’s speed is:

A. 36 km/h
B. 40 km/h
C. 45 km/h
D.225 km/h

Verse 7: Fill in the blanks with the correct number:

a) 3 hours 45 minutes = ………… hours
b) 8 tons 5 kg = …………kg
c) 9m2 5dm2 = ………… m2
d) 25m3 24dm3 = …………m3

II. DISCUSSION PART: (5 points)

Verse 8: Set the calculation and then calculate: (2 points)

a) 658.3 + 96.75 b) 28.7 – 12.35 c) 14.8 x 6.5 d) 12.88 : 5.6

………………………………………………………………………………………………

………………………………………………………………………………………………

………………………………………………………………………………………………

Verse 9: A room in the shape of a rectangular box has a length of 9 m, a width of 6 m and a height of 4 m. People want lớn paint the ceiling and four walls inside the room, knowing that the area of ​​​​the doorways is 10.5 m2. Calculate the area lớn be painted. (2 points)

Question 10: When multiplying a number by 3.5, a student placed the eigenproducts in the same column as addition, so the result was reduced by 337.5. Find the correct product? (1 point)

### Answers lớn the 2nd semester math exam questions for grade 5, 2020 – 2021

I. Multiple choice section (5 points)

 Question 1 Verse 2 Sentence 3 Verse 4 Question 5 Verse 6 OLD A OLD REMOVE EASY A 0.5 points 0.5 points 0.5 points 0.5 points 1 point 1 point

Verse 7: (1 point) Correctly fill in each section, get 0.25 points

a) 3 hours 45 minutes = 3.75 hours
b) 8 tons 5 kg = 8005 kg
c) 9m25dm2 = 9.05 m2
d) 25m3 24dm3 = 25,024 m3

II. Essay part: (5 points)

Verse 8: (2 points) For each part correctly, you get 0.5 points

a) 755.05
b) 16.35
c) 96.20
d) 2,3

Verse 9: (2 points)

The area around the room is: 0.25 points.

(9 + 6) x 2 x 4 = 120 (m2) 0.5 points.

Ceiling area is: 0.25 points.

9 x 6 = 54 (m2) 0.25 points.

Area lớn be painted is: 0.25 points.

120 + 54 – 10.5 = 163.5 (m2) 0.25 points.

Sentence 10: (1 point)

When multiplying a number by 3.5, a student who has placed the eigenproducts in a straight column should:

The first partial product is 0.5 times the first factor.

The second partial product is 0.3 times the first factor. 0.25 points

The product of error includes: 0.5 + 0.3 = 0.8 (times the first factor.) 0.25 points

The product of error has been reduced: 3.5 – 0.8 = 2.7 (times the first factor.)

The first factor is: 337.5 : 2.7 = 125 0.25 points

The correct product is: 125 x 3.5 = 437.5 0.25 points

.

Trích nguồn: TH số 2 Tân Thủy
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### Nguyễn Thị Lan Nhung

Nguyễn Thị Lan Nhung là một giáo viên dạy giỏi có tiếng ở Quảng Bình. Cô đã có hơn 20 năm kinh nghiệm giảng dạy Không chỉ giảng dạy trực tiếp, cô đã có 9 năm dạy học Online. Học sinh khắp cả nước có thể theo dõi những bài giảng của cô mọi lúc, mọi nơi.