First, solve the problem.

1, a pair of gloves 7 yuan, a pair of sports shoes 77 yuan, the price of a pair of sports shoes is several times that of a pair of gloves?

2, a book *** 180 pages, Xiaoxiao has read 80 pages,

(1) How many pages are left to read?

(2) The remaining pages should be read within 4 days. How many pages do you read on average every day?

Miss Li bought four footballs, gave them to the shop assistant 130 yuan and took them back to 2 yuan. How much is each football?

4, a set of "Children's Encyclopedia" 24 yuan. 100 is it enough to buy 4 sets?

5. The fruit shop delivered150kg watermelon on the first day, which doubled the next day. How many kilograms did it deliver in two days?

6. The school bought four bookshelves, each with five floors, and each floor can hold 36 books. How many books can these shelves hold?

7. The length of the rectangle is 15 cm and the width is 9 cm. How many centimeters is its circumference?

8. The side length of a square is 15 decimeter. What's its circumference?

9. The football field is rectangular, with a length of 100 meter and a width of 75 meters. Naughty ran three times along the football field. How many meters did he run?

/kloc-Three classes in grade 0/0 donated 876 yuan. How much did each class donate on average?

1 1, a sweater is 25 1 yuan, and the price of a leather coat is three times that of a sweater. How much is a leather coat? How much is leather coat more expensive than sweater?

12, the school held a parent-teacher meeting, and invited 258 parents, with every 8 people sitting around a table. How many tables do you need to prepare?

13, students make 89 flowers, and every 7 flowers are tied into a bunch. How many bunches can I tie at most?

14. The fruit shop sent 8 baskets of apples, each weighing 42 kg. The weight of pears delivered is three times that of apples. How many kilograms of pears were sent?

15, please fill in how much is each badminton?

Name of the article

Unit price, quantity and total price

Basketball 65 yuan 1.

Badminton 3 tubes 137 yuan

Second, challenge yourself. Come on! (10)

1, Tianjin to Jinan is 360 kilometers. A train leaves Tianjin at 0/3: 30/kloc and arrives in Jinan at 0/6: 30/kloc. How many kilometers does the train run per hour on average?

2, 80 cm long and 50 cm wide, cut it into the largest square and rectangle. What are the perimeters of the square and the new rectangle?

1) There were 144 people, who were divided into 6 groups on average. How many people are in each group? 8 bottles of coke per box, per person 1 bottle. How many boxes do you need to buy?

2) Xiao Ming said: I am 12 years old this year. Mom said: I am three times your age and two years older than me. Dad said: I am two years older than your mother. Grandpa said: My age is twice that of your mother. Grandma said: I am six times younger than you, 1 year. How old are they?

3) A tiger eats 4 kilograms of meat a day. How many days can two tigers eat 96 kg of meat?

4) There are 24 bags of rice in the warehouse and 42 bags are delivered. The canteen needs about 3 bags of rice every week. How many weeks can this rice last?

5) White crane 12, the number of red-crowned cranes is three times that of white cranes, and the number of black-necked cranes is 40 more than that of red-crowned cranes. How many black-necked cranes are there?

6) 30 tons of coal, 6 tons of large trucks and 3 tons of small trucks. (1) How many times can I transport all the coal if I use two pickup trucks? (2) first, transport it by large trucks 1 time, and the rest by small trucks. How many times does it take for all the transportation?

7) Students participate in activities. There are three teams, each with 28 people. Each person is limited to 2 bottles of mineral water and 4 chocolates. ① Prepare 200 bottles of mineral water. Is that enough? ② How much chocolate can I get at most? There are 2 chocolates in a bag and 4 chocolates in a box. How many boxes do you need to buy?

8) There are 39 soft balls, football is less than softball 17, basketball is half of football and table tennis is six times of softball. How many balls are there?

9) A box of 8 bottles of soda, wholesale price of 40 yuan/box. How many bottles of soda can 200 yuan buy?

10) Today is a week (), and it will be a week in 20 days ().

1 1) Today is a week (), and the day 10 is a week ().

12) The distance between Party A and Party B is 2 16km, and the following two types of ships can reach it. Ship: 4 hours to arrive, fare 90 yuan; Speedboat: 2 hours' arrival, fare 150 yuan. (1) How many kilometers does the ship travel per hour on average? ② How many kilometers does the speedboat travel per hour on average? What kind of boat would you choose from A to B? Why?

Third unit

13) Each lamp post is equipped with 6 bulbs. The school bought 15 boxes of new light bulbs, each containing 12 light bulbs. There are still 30 such lampposts left. Are these bulbs enough?

14) clothing wholesale price per piece in 45 yuan. 1000 yuan is enough to wholesale 25 pieces? If each piece is sold in 50 yuan, how much can 25 pieces be sold?

15)

group

Number of sweaters processed every day

Processing days

Total number of pieces processed

one

50

nine

two

45

20

three

57

16

① What is the total number of pieces processed in each group? (2) If the first group wants to complete the task that was completed in the original nine days in six days, how many pieces do they need to handle every day?

16) The train runs for 2 hours 196 kilometers, and it takes 14 hours from Beijing to Shanghai. How many kilometers is the railway from Beijing to Shanghai?

17) fragrant brand peanut oil 2 liters/bottle, each bottle 15 yuan; Mei Wei brand peanut oil 3 liters/bottle, 2 1 yuan per bottle. I bought 12 bottles of Qixiang brand peanut oil. A * * *, how many liters? How much will it cost? ② How much does it cost to buy the same liter of Mei Wei brand peanut oil?

18) 12 trees, with an average of 80 kilograms of pears per tree. (1) How many kilograms of pears can a * * * receive? (2) If every 5 kilograms is packed in a box, is it enough to prepare 200 boxes?

19)

sporting goods

amount

unit price

total

badminton

12 pair

2 1 yuan

volleyball

45

12 yuan

basketball

25

64 yuan

20) What is the 30 times of ① 25? What is the product of 56 times 78? (3) How much is 35 49? What is 83 times 49?

2 1) The concert hall has 40 seats in each row, with 25 rows. How many people can this concert hall hold? ② Red Star Primary School borrows the Concert Hall to hold an art festival, and each row needs to add 8 seats. How many people can attend the art festival at most?

1. The length of the billboard on the light box is 80cm and the width is 40cm. How many square centimeters is its area? How many square decimetres?

2. What is the area of a square piece of paper with a side length of 30cm? How many square decimetres?

3. Cut out the largest square with a rectangular paper with a length of 6 cm and a width of 4 cm. How many square centimeters is the area of this square?

There are two identical rectangles, both 4 cm long and 2 cm wide. These two rectangles can be used to form a square. What is the area and perimeter of this square?

The side length of a square piece of land is 10 meter. What is the area of this land in square meters?

6. There is a rectangular garden with a length of 18m and a width of 8m.

(1) What is the area of this flower bed?

Put a fence around the garden. How long is the fence?

7. The school library should buy a batch of new books. Science and Discovery, 2 volumes each, 4 yuan each. Math stories, every 9 yuan. Every 38 yuan in fairy tales.

(1) How many math stories can I buy for 279 yuan?

(2) Is it enough for 450 yuan to buy 12 fairy tales?

(3)1How many sets of Science and Discovery can 60 yuan buy?

8. 8 yuan angle of each stainless steel pipe is 8, and each plastic pipe is 1 yuan angle 2. Stainless steel pipe 1.2m long and plastic pipe 0.8m long.

(1) The prices of two kinds of water pipes are expressed in decimals.

(2) How many meters is the stainless steel pipe longer than the plastic pipe?

9. The side length of a square chessboard is 60 cm. To press a glass as big as a chessboard, what is the area of this glass? How many square decimetres?

10. How to enclose a rectangle or square with a length of whole cm with a 24 cm long iron wire? Do you have different sealing methods?

1 1. There is a truck with a load of 2 tons, 5 tons and 9 tons respectively. * * * There are 180 tons of goods. How many times does each truck need to be transported to complete?

12. There are 4 roses in each bundle, each 2 yuan. Lily, each bunch of 9 yuan. Tulips per bunch 18 yuan.

(1) The daily income of a flower shop selling lilies is 8 10 yuan. How many lilies did * * * sell on this day?

(2)1How many roses can 60 yuan buy?

(3) Is it enough for 500 yuan to buy 30 tulips?

13. Hong Guang clothing store sold 45 suits at a price of 105 yuan each. How much did the clothing store earn?

14. The flour mill grinds 6 kilograms of flour every hour. How many hours does it take to grind 126 kg flour?

15. The school bought 2000 exercise books and distributed them to 16 classes, each class 120. How many books are left?

16. Xiaogang's family used 990 kilowatts/hour from June to March this year. How many kilowatts/hour does Xiaogang's family use on average every day?

17. In the handicraft class, the teacher plans to divide the students into 8 groups and give each group 3 pieces of colored paper. In fact, students are divided into six groups, so how many colored papers can each group get?

18. Junior three students collected184kg of waste newspapers. 32 kilograms of waste newspapers can be exchanged for four seedlings. How many seedlings can they get from the waste newspapers?

19. On the first day, the store sent 8 boxes of biscuits, each of which was 5 kg. The next day, 150 kg of biscuits were delivered. How many kilograms of biscuits are delivered every two days?

20. The students watered the trees, each with 3 trees and 24 people finished watering them. How many people have finished watering? (Add conditions before answering)

2 1.( 1) The department store sold 3 cases of vests, each with 20 pieces, each in 24 yuan. How much is a * * *?

(2) The department store sold 3 cases of vests, each containing 20 pieces. A * * * sold 1.400 yuan. How much is each piece?