0. 1250 1.403 6.5km 06km。

2. The fifth grade mathematics volume Unit 4: Cut the 2-meter-long rope into four sections on average, each section is () meters long, and each section is () () long.

3. There are () true fractions with denominator of 7 and () false fractions with numerator of 7; The score unit is (), the minimum false score is (), and the minimum band score is ().

4.57 means dividing () into () parts on average, and that's it. Its decimal unit is (), and there are () such decimal units. If you add a decimal unit like (), it is equal to 1.

5. Use scores to represent the shaded parts in the figure below.

6.6 Class (1) The number of people who like mathematics accounts for 58% of the class. The unit of "1" is (), and the average score is (). People like this () like math.

7. A box of chocolates * * * has 15, which is distributed to three students on average. Every chocolate belongs to this box of chocolates () (), and everyone's share of chocolates belongs to this box of chocolates () ().

8. There are () true fractions with the fractional unit of 16 and () false fractions with the numerator of 7.

9. Aunt Li works 7 hours a day, accounting for () () of the whole day.

10.7 decimeter = () () m 6 1cm = () () m 53kg = () () ton.

19 minutes = () () hours 17 hours = () () days 26 1 meter = () () kilometers.

1 1. In a 12, nonzero is a natural number. When a (), a 12 is a true fraction; When a (), a 12 is a false score; When a (), a 12 can be converted into an integer.

12. Fill in the blanks as required.

7 decimeters 12 minutes 1250 decimeters 350 square meters.

When () meters () are expressed in fractions, () liters () square meters.

When () meters () are expressed in decimals, () liters () square meters.

Second, judge.

The decimal unit of 1.57 is greater than that of 14. ( )

2. Divide three cakes to four people equally, and each person will get 14 of three cakes, or 34 of one cake. ( )

3. There are only two true scores greater than 15 and less than 12. ( )

4. Fold a steel wire in half for four consecutive times, each time with the same length. ( )

5. Give five children three cakes, and each child gets 15 1 cake. ( )

Third, choose.

1.6 years and 7 months = ()

67 10

2.a, B and C are natural numbers greater than 0, A-B-C, then AB ()CB.

A.b . c =

3. Rope A is as long as rope B, and rope A is cut12m, and rope B is cut12m. The rest of the rope ()

A.a is shorter than B, and B is shorter than A, both of which are the same length. D. not sure.

Fourth, operation.

1. Draw a dot on a straight line to represent each score.

12,25,710,65 and 1 12.

2

Fifth, transformation.

1. Turn the following false scores into integers or fractions.

= = = =

2. Use fractions to express the following quotients. If you can convert the number of components, you must convert the number of components.

23÷4= 9÷29= 48÷7=

3. Decimal following components.

0.7= 0.25= 0.04 1= 3.2=

4. Convert the following fractions into decimals, and infinite fractions are expressed by cyclic decimals.

725 = 13 = 1920 = 78 =

Sixth, solve the problem.

1. Li Shifu has processed a batch of parts, of which 47 parts have been processed and 33 parts have not been processed. How much has this batch of parts been completed?

It takes 25 days to produce a batch of cement. What percentage of this batch of cement is produced on average every day? How much is this batch of cement produced in 13 days? (6 points)

3. The school bought 5 boxes of chalk and 90 boxes of chalk, which were distributed to class 18 on average.

(1) How many boxes are assigned to each class? (5 points)

4. Class 5 (2) boys 2 1, girls 19. What is the percentage of girls to boys? What percentage of girls are in the class?

A garden has 2 hectares, which is divided into 5 parts on average. How many hectares are there in each part? Among them, there are 3 kinds of Chinese rose flowers, and the area of Chinese rose flowers accounts for a fraction of the whole garden.

6. A piece of cloth is 8 meters long and can be made into 12 aprons of the same size.

(1) How much is this fabric used for each apron?

(2) How many meters is the fabric of each apron?