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Fifth grade, second volume, midterm examination paper of mathematics, Qingdao edition
Fill in the blanks. (1 point per space, 27 points for * * *)

The decimal unit of 1 is (), and the decimal unit like () is the smallest prime number.

2. The greatest common factor of12 and 18 is (); The least common multiple of 6 and 9 is ().

3. Divide the 3-meter-long rope into 8 sections on average, each section is () () meters long and each section is () () long.

4. Xiaohong's position in the classroom is (5,4) right. She sits in column () and row (). Xiaoli's position in the classroom is column 5, line 3, which is represented by a number pair (,).

5. Fill in the appropriate numbers in the box below, fill in the false score above the straight line, and fill in the score below.

6. If a÷b=8 is (and both A and B are not natural numbers of 0), their greatest common factor is () and their smallest common multiple is ().

7.(A is a natural number greater than 0), when A is a true fraction, when A is a false fraction, and when A is equal to 3.

8、 = =( )÷9=44÷( )

9. Fill the brackets with the simplest fraction.

35 square decimeters = () cubic meters for 45 seconds = () minutes for 250 grams = () kilograms.

10, among all factors of 20, the largest is (), and among all multiples of 15, the smallest is ().

1 1, there is a cube dice, and the numbers on six faces are 1, 2, 3, 4, 5 and 6 respectively. Throw it once

Dice, the possibility of getting a composite number is () (), and the possibility of getting an even number is () ().

Second, judge. (5 points)

1, the equation must be an equation, but the equation is not necessarily an equation. ………………………………( )

2. False scores are all less than 1. ……………………………………………………( )

3. Number pairs (4,3) and (3,4) indicate the same position. …………………………( )

4. The greater the denominator of a fraction, the smaller the fractional unit. …………………………( )

5. Divide a wire into four sections, each section is 14m. ……………………………………( )

Third, choose. (5 points)

1. A rectangular piece of paper with a length of 24 cm and a width of 18 cm should be divided into small squares with the same size, and there is no redundancy. The smallest can be divided into ().

A. 12

2.X5 is a true fraction, and the value of x has () possibilities.

A.3 B. 4 C. 5 D. 6

3. There are 28 boys and 25 girls in Class 5 (3), and boys account for () of the class.

A. From 2825 BC to 2528 BC

4. Divide 4g into 5 parts, each part is ().

A. 15 kg B. 45 kg C. 45 kg D. 14

5. The greatest common factor of two numbers is 4 and the least common multiple is 24. These two numbers can't be ().

A.4 and 24 B. 8 and 12 C. 8 and 24

Four. Calculation (37%)

1, simplify the following score. 8%

① Eight tenths, ② Sixteen quarters, ③ Thirty-five twentieth, ④ Seventeen fifty-one.

2. Solve the equation: 12%

X-7.4 = 8 2X = 3.6 X÷ 1.8 = 3.6 X+6.4 = 14.4

3. Find the greatest common factor and the least common multiple of the following groups. (6%)

10 and 9 14 and 42 26 and 39

4. Turn the following score into a score with the same denominator equal to the original score. 6%

①2/3 and 4/5 ②7 /2 1 and 4/ 7 ③5/8 and 7/ 12.

5. Make an equation according to the meaning of the question and then answer it. (6 points)

① The sum of 7 x's is 10.5.

Verb (abbreviation of verb) application questions: (3 1% 65438 +0-3, 5 points for each question, and 4 points for the rest)

1. There are 138 male athletes participating in the 25th Olympic Games in China. Male athletes are twice as few as female athletes, four less. How many female athletes are there?

In Beijing's bid to host the 2008 Olympic Games, * * has 65,438+005 valid tickets, and Beijing has 56 tickets. What percentage of valid votes did Beijing get?

Party A and Party B borrow books from the library. Party A comes every 6 days and Party B comes every 8 days. If they meet in the library on April 2, when will they go to the library next time?

There is a piece of cloth 8 meters long, just enough to make 12 pairs of pants of the same size. How many meters of fabric is used for each pair of trousers? How much of this cloth is used for each pair of trousers?

5. Cut a rectangular piece of paper with a length of 20 cm and a width of 16 cm into squares with the same size and as large an area as possible. There is no paper. How many pieces can I cut at most?

6. A piece of paper with a pattern (as shown below). How many different ways are there to tear off two connected patterns?

★⊙ ⊙ ★⊙ ⊙

⊙ ★⊙ ⊙ ★⊙

7. Some pictures are arranged in sequence.

(1) Please calculate the 64th number.

(2) What is the percentage of the first 78 figures in the total?

There is also a copy for your reference:

Qingdao Edition Six-year Primary School Mathematics Grade Five Volume II Quality Inspection Volume

(Time: 80 minutes)

First, calculation. (***33 points)

1. Write the number directly. (6 points)

58 + 78 = 1 - 13 = 14 + 13 = 27 + 16 +57 =

89 - 19 = 56 - 16 = 25 - 13 = 1- 79 - 29 =

29 + 49 = 0.23 = 34 + 49 - 34 = 12 - 1 10 + 12 - 1 10 =

2. Calculate the following questions. (9 points)

- + 67 -( 1 1 14 - 12 )

3. Calculate the following questions in a simple way. (9 points)

1 18 -( 56 + 38 ) 59 + 4 1 1 + 6 1 1 + 49 5 - 37 - 47

4. Solve the equation. (9 points)

x + = x - 16 =38 15 +x =45

Fill in the blanks. (Per grid 1 minute, ***22 points)

1. The fifth floor of a shopping mall is +5F, and the second floor is ().

2. In the numbers -6, -2, 2, 0, +3.6,-12, 1 12 and -3.5, positive numbers have ();

Negative numbers have (); It is neither positive nor negative ().

3.= () ÷ 16 = = () (write decimal)

4. A box of chocolates * * * has 16, which is distributed to four students on average. Every chocolate belongs to this box of chocolates (). Everyone gets () and everyone gets () this box of chocolates.

There are more than 90 preserved eggs in the food store. If you put them in four egg trays in succession, it's just finished. If you put it in a row of six egg trays, it's finished. The food store has () preserved eggs.

6. There is () in1,plus () equals 2.

7. The greatest common factor of numerator and denominator is (), and turning this score into the simplest score is ().

8. The sum of all the simplest true fractions whose denominator is 12 is ().

9.0. 36 meters? =( )L 6080cm? =( )dm?

10. The volume of the ink cartridge is about 350 (). It takes about 300 () cardboard to make this ink box, and the ink bottle inside can hold about 200 ().

1 1. There are 6 digital cards with "2", "3", "4", "5", "6" and "7" written on them, and the possibility of randomly drawing one card is ().

Three. choose Fill in the serial number of the correct answer in brackets. ) (* * * 6 points)

1.ab is a pseudo-fraction, and both A and B are natural numbers that are not 0, so B should be ().

A. greater than b but less than c and less than or equal to a.

The sum of the sides of a cuboid is 96 cm. Its length is10cm, its width is 5cm and its height is () cm.

A.7 B. 9 C.5

3. The possibility of finding a red ball in an opaque pocket is that if there are three red balls in the pocket, there are () balls in the pocket.

A. 12

4. In the following three planar graphs (each cell is a square), the one that cannot be folded into a cube is ().

A. BC

5. If you want to compare the temperature changes in two cities within a week, () is more appropriate.

A. composite bar chart B. single line chart C. composite line chart

6. The molecule of 15 is increased. To keep the size of the fraction unchanged, the denominator should be increased by ().

A. 16

Fill in the blanks and draw a picture. (5 points for each question, *** 10)

1. As can be seen from the figure, Wuzhuang is () meters in the direction of Jin Ryu. From Jin Ryu, walk () meters in the direction of (), and you will arrive at Wangcun. If you walk 60 meters per minute, it takes () minutes from Yangzhuang to Wangcun via Jin Ryu.

2. In the picture on the right, the position of the Children's Palace is represented by several pairs (). The location of Li Lin's home is (2,3), and the location of the school is (3,2). Please mark the location of Li Lin's home and school in the picture.

Fifth, solve the problem. (1 question 7 points, 2 and 3 questions 4 points, 4 questions 9 points, 5 questions 5 points, ***29 points)

1. Most of the earth's surface is covered by oceans, with the Pacific Ocean accounting for 12, the Atlantic Ocean accounting for 14 and the Indian Ocean accounting for 15.

(1) What percentage of the ocean area does the Pacific Ocean and the Atlantic Ocean each occupy?

(2) What other questions can you ask? Please write it down and work it out.

A circular garden covers an area of hectares, and there are three different kinds of flowers in it. Peony occupies the total area, lily occupies the total area, and the rest are roses. What percentage of the total area are roses?

3. The school biology team made an insect box (as shown on the right). The top, bottom, left and right sides of the insect box are wooden boards, and the front and back sides are equipped with fly-proof gauze. How many square centimeters does it take to make such an insect box?

4. The figure below is an enlarged view of a rectangular frame.

(1) Measure its length, width and height.

(in whole centimeters).

Length () cm

Width () cm

Height () cm

(2) How many square centimeters of cardboard does it take to make such a box?

(3) Put the cube dice with the side length of 1 cm into the box, just how many can be put?

5. The following two statistical charts reflect the distribution of students A and B's math self-test scores and study time at home in the final review stage. ..

Statistical chart of self-test scores, statistical chart of study time allocation

Look at the picture and answer the following questions:

(1) As can be seen from the statistical chart of dotted line (), it has made rapid progress. As can be seen from the histogram (), it takes less time to reflect.

(2) How much time does A and B spend on reflection each account for their total study time?

(3) Whose learning style do you like? Why?

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