Answers to the midterm examination paper in the first volume of sixth grade mathematics

Su Jiaoban sixth grade first volume math midterm review questions

Class name score

First, fill in the blanks. (22 points)

1.34 square decimeter = () square centimeter 3 hours and 25 minutes = () hours

2, () meter is 12 meter,12,240 tons is 47% of () tons.

3. Cut the 2m-long wire into 5 sections on average, with the total length of each section () () and each section 1 m () ().

4. Master Wang weaves 35 meters per hour, and can weave () meters in 23 hours, and it takes () hours to weave 12 meters.

5./kloc-how much is 34 in 0/5 hectare? It can be calculated as follows: divide 15 hectare into four parts, each part is 1 hectare () (), and such three parts are () hectares.

6. A section of wire used 20 meters, leaving 30 meters, used () (), and left () ().

7. A pile of coal weighs 27 tons, and a factory uses 14 of the total in three days. Then use up () () tons of the total in five days.

8, a rope is 8 meters long, cut off () meters, leaving 34 meters; If you cut off 34, there are still () meters left.

9. The price reduction of a commodity is 1 10, () is regarded as "1", and () is 1 10.

10, a rectangle is surrounded by a 96-cm-long iron wire. The length of the rectangle is three times the width and the area is () square centimeters.

1 1, b is 78 of a, if a is 56, then b is (); If b is 56, then a is ().

Second, multiple-choice questions (16 points)

13, a number (except 0) divided by 16, this number is ....................... ().

① Magnify 6 times; ② 6 times increase; ③ 6 times reduction.

14, Xie Wencheng 14 x = 1 12, that is, ........................... ()

① 14 ÷ 1 12 ② 1 12 ÷ 14 ③ 14 × 1 12

15, a is a natural number not equal to 0, and the largest number in the following categories is ().

① a×45 ② a÷45 ③ a÷54

16, the formula 7×a×8=7×(a×8) uses ...................... ().

① Multiplicative commutative law ② Multiplicative associative law ③ Multiplicative distributive law

17, a batch of parts, the master processed 45 more than the apprentice, and the apprentice processed less than the master 10, and the apprentice made ().

① Eight ② Nine ③ 12

18, there are two steel pipes with the same length, the first one needs 310m, and the second one needs 310m, compared with ().

(1) the first root is used more; ② The dosage of the second root is more; ③ There is no contrast.

19. Of the following three sentences, ..................... () is the correct one.

① The reciprocal of a is 1A245: 25, and the simplest integer ratio is 2.

(3) A number divided by a fraction is equal to the reciprocal of this number multiplied by the divisor.

20. The price of a commodity first rises 1 10, and then decreases11. Current price ()

① equal to the original price ② higher than the original price ③ lower than the original price.

Third, the calculation problem. (2 1 question 8 points, the remaining 3 points, ***20 points)

2 1、49 ×3= 5÷ 13 = 12 ÷ 13 = 27 ×39 ÷27 =

13 ×2= 0.625×0.4= 38 ÷34 = 27 ×( 14 + 13 )=

22、 1 1 12 ×946 ÷2223 23、7 12 ÷23 +5 12 ÷23

24、(25 +25 ×99)÷25 25、〔 1÷(34 + 13 )〕×34

Fourth, solve the following problems. (12)

26. The product of 25 and 34 times 23 of a number is equal. Find this number.

Divide by the difference between 72 and 24. What is the quotient?

28. In the figure, 23 tons are shaded.

2 tons

29. Look at the picture and calculate.

Number of cars:

Number of motorcycles:

Five, the application problem (30 points)

30. The Wangs harvested 58 tons of Chinese cabbage, and the radish harvested was less than that of Chinese cabbage 15. How many tons less radish is collected by Uncle Wang's family than cabbage?

3 1, a wire is 20 meters long. The first time, it needs the full length 15, and the second time, it needs 25 meters. How many meters does it need twice?

32. A batch of books is distributed to the fifth and sixth grades on average, with 96 books in each grade. If the books are divided into two grades according to the ratio of 3: 5, how many volumes will each be divided?

33. Giving love to students in poverty-stricken areas, the sixth-grade students of Xinxing Primary School donated 125. It is known that the number of books donated by Class 6 (1) is 23 of that donated by Class 6 (2). How many books did Class 6 (1) and Class 2 of Xinxing Primary School donate?

34. The cost of a radio is now in 68 yuan, which is 320 yuan lower than before. How much did it cost?

35. A bag of 60 Jin of rice is eaten on the first day, and the rest is eaten the next day. How many Jin did you eat the next day?