First of all, fill in carefully:

"The weight of a barrel of oil is 6kg", () is regarded as the unit "1", ()× = ().

"Boys account for the whole class", with () as the unit "1", ()× = ()

"Duck equals chicken" takes () as the unit "1", ()× = ()

45 is (), tons are () tons, and () is square meters.

Second, solve the problem:

1. There are 20 boys and girls in the art class. How many girls are there?

2. Iron block A weighs tons, which is equivalent to iron block B. How many tons does iron block B weigh?

Xiaoming's phone bill in September is 24 yuan, which is equivalent to that in August. How much is the phone bill in August?

4. A story book is 162 pages. JASON ZHANG read it today. Which page will he start reading tomorrow?

5. Car A traveled120km from A to B, which is equivalent to the whole journey. How many kilometers are the two places apart?

6.60 1 class has more boys and 30 girls. How many people are there in the class?

\x09

\x09 Fractional Division Application Problem (2)

1, the number is written directly.

÷ × 8÷ ×4 +2 -

2.480 girls

The whole school human beings

3、 " 1"? only

soccer

45

volleyball

The canteen brought 800 Jin of rice, which has been finished. How many kilograms did you eat?

There is a batch of rice in the canteen, which has reached 600 Jin, just right. How many kilograms is this batch of rice?

This car factory produced 500 more cars in August than in July. It is understood that the output in August is higher than that in July. How many cars were produced in July?

6. Xiaolan has 24 more stamps than Xiaojun, which happens to be Xiaojun's. How many stamps do Xiaolan and Xiaojun have?

Application of Fractional Division (3)

First of all, fill in carefully:

"The speed of a car is equivalent to the speed of an airplane", () is regarded as the unit "1", ()× = ().

"The number of poplar trees accounts for the number of pine trees", () is regarded as the unit "1", ()× = ()

"One barrel of oil" is "1" in (), ()× = ()

"Pears are as heavy as peaches" takes () as the unit "1", ()× = ().

Second, solve the problem:

1, solve the equation x hectares.

corn

cotton

50 hectares

2, a batch of coal, burning 60 tons, just less than this batch of coal, how many tons of coal?

3. A batch of 420 tons of coal was burned. How many tons were burned?

4, long-distance running exercise, Xiaoming runs 1500m, Xiaohong runs 900m m. How many times did Xiaoming run? How much does Xiaohong run than Xiaoming?

A computer is now lower than the original price, just lower than 800 yuan. What is the original price of this computer?

6, a ribbon, used 15 meters, just left, how many meters left? How many meters is the total length?

7, a pile of coal, used, and the rest used to make a few odds and ends?

Application of Fractional Division (4)

First of all, fill in carefully:

"A number accounts for B number", () is regarded as the unit "1", ()× = ()

"The number of C equals the number of B", () is regarded as the unit "1", ()× = ().

80 meters is 200 meters (), 200 kilograms is (), () 125 tons.

Second, solve the problem.

1. My mother is 36 years old and Xiaoming 12 years old this year. How old is Xiaoming?

My mother is 36 years old and Xiaoming is her age. How old is Xiaoming this year?

Xiaoming is 12 years old, which is his mother's age. How old is his mother this year?

Xiaohong made 40 red flags and 60 blue flags. How many times is the blue flag? What fraction of the blue flag is the red flag?

There are 280 peach trees, or pear trees, in the orchard. How many pear trees are there?

There are 280 peach trees in the orchard, as many as pear trees. How many pear trees are there?

7, a bucket of pure water, drink 5 liters, accounting for the total. How many liters are left?

8. Xiaolan reads a book. On the first day, she read the whole book, and the next day, it was 60 pages. How many pages did she read on the first day?

Application of Fractional Division (5)

First, choose carefully.

1, 20 chickens and 25 ducks. Chicken belongs to duck (), and duck belongs to chicken ().

A, B, C and D are not sure.

2. There are 5/kloc-0 rabbits in the farm, accounting for the total number of rabbits. Demand () can be listed as "5 1"

A black rabbits only count B. The total number of rabbits C cannot be determined.

3.A car travels 60 kilometers per hour, the speed of B car is the speed of A car, and the formula for finding the speed of B car is ().

A 60× 10÷9 B 60÷ C 60×

Second, complete the topic according to the formula;

1 There are 150 students in grade five of a primary school. What's the grade of grade four students in grade five? 120÷ 150

2. Grade 5 students in a primary school 100. How many students are there in the fourth grade? 100÷

There are 200 students in grade five in a primary school. How many students are there in the fourth grade? 200×

Third, solve the problem:

1. The original price of a TV set was 2500 yuan, but now it has been reduced. How much is it now?

3. build a 2400-meter road. On the first day, the road was full. On the second day, how many meters were built on the first day?

Xiaoming practiced 100 this morning and 140 this afternoon. The amount of words practiced today is equivalent to that of yesterday. How many words did Xiaoming practice yesterday?

4. build a road. The first day, the second day, the first day is 200 meters longer than the second day. How long is this road?

Application of Fractional Division (6)

1. There are 40 people in the art group of a school. The number of art group is the number of music group, and the number of music group is the number of mathematics group. How many people are there in the math group?

2. Use a batch of 480 tons of coal. How many tons are left?

3. There are 160 willow trees in the park, which belong to poplars, and the number of poplars belongs to Sophora japonica. How many locust trees are there?

There are 560 boys in a primary school, which is the number of girls. How many students are there in the school?

5. The width of the cuboid is very long, and the length is also very high. What is the known width of 40 cm and height of 40 cm? What is the volume?

6. A car travels 60 kilometers per hour. How many kilometers can you travel in four hours at this speed?

There are 30 "three good" students in the fourth grade, which is the whole grade, and the number of students in the fourth grade accounts for the whole school. How many students are there in the school?

8. Xiaoming walked from A to B in an hour15km, which is exactly the whole journey. How many kilometers is it between A and B?

Application of Fractional Division (7)

1, the school football team has 35 people, and the basketball team has a football team and a volleyball team. How many people are there on the volleyball team?

2. Lao Wang has raised 120 chickens, which are ducks, and his geese are ducks. How many geese are there?

Mom is 40 years old this year, and Xiaoming is both mom's and grandma's. How old is grandma this year?

4, a batch of rice, the total amount eaten on the first day, is also equivalent to the amount eaten the next day. It is known that 50 kilograms will be eaten the next day. How many kilograms is this batch of rice?

A car travels 75 kilometers per hour. How many kilometers can it travel per hour at this speed?

6. The distance between Party A and Party B is160km. A car travels from A to B at a speed of 60 kilometers per hour. At this speed, how many hours does it take to complete the journey?

7. It used to take cloth and rice to make a skirt, but now it's just rice. How many pieces of cloth can 900 skirts make?

8. A road has been repaired, and 600 meters is just half repaired. How long is this road?

Application of Fractional Division (8)

1, a pile of goods, car A carried 24 tons, belonging to car B, car B carried car C, how many tons did car C carry?

2. A pile of goods, car A transported 24 tons, belonging to car B, car B transported car C, and how many tons did car C transport?

3. A pile of goods, car A transported 24 tons, car A transported car B, car C transported car B, and how many tons did car C transport?

4. A pile of goods, car A transported 24 tons, car A transported car B, car B transported car C, how many tons did car C transport?

A car traveled from city A to city B at a speed of 80km/h for 3 hours. How many kilometers is it between a and b cities?

6. Build a highway. What has been repaired will not be repaired. What is not repaired is120m. What is the total length of this road?

7. Build a highway. What has been built is not. Built120m. What is the total length of this road?

8. The grain store has 150 bags of rice, which are sold on the first day and the next day. How many bags are left?