Beijing normal university printing plate mathematics sixth grade first volume review materials

Beijing normal university printing plate elementary school mathematics sixth grade volume final review outline

(Fill in the blanks)

1.()/5=0.6= 15÷()=()÷ 15=()%

2. For a project, Party A works for 8 hours and Party B works for 6 hours. The time spent by both parties is longer than ().

The work efficiency ratio of A and B is ()

3. A 3-meter-long rope is divided into 8 segments on average, each with a total length of () and each with a length of ().

4. The degree ratio of three angles in a triangle is 1: 2: 3, and the largest angle is () degrees, which is one.

() triangle.

5.6 Children play table tennis, one for every two people and one * * * competition ().

6. Tree planting activities in the sixth grade, with a survival rate of 95%. A total of 190 trees were planted, and * * * contained () plants.

7. The position of the circle is determined by (), and the size of the circle is determined by ().

8 8. 10/0m is more than 8m ()%; 5 kg is less than 8 kg ()%; 40 kg increased by 15%

( ); 20% over 20 meters is (); 6 meters is 40% less than ()

9. If the average weight of 39 kilograms in the class is recorded as 0 kilograms, then Xiaoming's 37.5 kilograms is recorded as ().

10. Draw a circle with a circumference of 37.68cm with a compass, with a distance of () between two feet and an area of ().

1 1. The radius of the circle is enlarged by 3 times, the circumference by () times and the area by () times.

12. The minute hand of the wall clock is 5 cm long, and the needle tip is () cm after one lap.

13. Xiaoming's mother deposited 5,000 yuan in the bank with a fixed term of two or two years, with an annual interest rate of 2.52%, which can be withdrawn at maturity.

The interest () yuan, the principal and interest * * * is () yuan.

14. There are 4 5 more apples than pears, and the ratio of apples to pears is ().

15. The original price of a book in 20 yuan is 15 yuan, which is ()% lower.

16.A is 4/5 of B, B is ()% of A, and A is ()% smaller than B.

17. A garment is sold at 75% off the original price, with () as the unit 1, and the current price is ()% lower than the original price.

18. Cut the largest circle in a rectangle with a length of 3 cm and a width of 2 cm. The original area is ().

Draw the largest circle in a square with a circumference of 24 cm, and the area of the circle is ()

19. I read 3/7 of a book, and the ratio of the part I read to the rest is (), and the ratio of the rest to the whole book is ().

20. At 3.14; 3. 145; 3. 14%; ∏ The largest is (), and the smallest is ().

Application problem part

1. A puppy is tied to a tree. He walked around the tree for 9.42 meters at most. Can he eat bones 2 meters away from the tree? Why?

2. The wheel diameter of bicycle is 60 cm. If it turns 100 turns per minute, how many minutes will it take to cross a 47 1 m bridge?

3. There is an old round table with a diameter of1.2m, which is ready to be renovated. Nail iron bars on the edge of the round table and paint the desktop. How long is the iron bar (1)? (2) What is the minimum paint area? (Draw only one side)

There are 420 apple trees in the orchard, 20% more than pear trees. How many apple and pear trees are there?

5. A rope, the first cut 3/ 10, the second cut 45% of the total length, and the second cut 4.5 meters more than the first. How long is this rope?

6. A story book with 120 pages, which page should the third day start from?

7. A road, 25% of the road was built in the first week, and 3/8 of the road was built in the second week, leaving 360 meters. How long is this road?

8. A TV is now 4,800 yuan each, which is 25% lower than the original price. How much can I save by buying this TV now?

9. Last year, a factory produced 6.5438+0.8 million parts, 300,000 more than planned, and by what percentage?

10. A book is 15% off, and 2 yuan is cheap. What is the original price of this book?

1 1. There is a medicinal liquid, and the mass ratio of powder to water is 1: 200. There is1000g of water now. How many grams of powder does it take to prepare this potion?

12.6 grade, the ratio of boys to girls is 3: 5, and there are 24 fewer boys than girls. How many students are there in the sixth grade?

13. Supermarket activity, an edible oil was sold to 48 yuan after the price was reduced by 25%. What is the original price of this brand of cooking oil?

14. Two road repair teams built a road, team A built 28% of the total length, team B built 24 kilometers, and the two teams built 48% of the total length. How many kilometers is this road?

Multiple choice problem section

1. The price of a coat has dropped from 200 yuan to 150 yuan. What is the decrease?

a 200÷ 150 B(200- 150)÷ 150 C(200- 150)÷200

2. The original price of an electrical appliance in 800 yuan increased by 10% and then decreased by 10%. The current price is ().

A remains the same, B increases and C decreases.

3. A 20% discount on goods means ()

The current price is 80% of the original price. B The original price is 80% of the current price. The current price is 80% lower than the original price.

4. A bag of rice, after eating 32kg, has 18kg left. What percentage of this bag of rice did you eat? The formula is ()

a32 \u( 18+32)b 18 \u 32c 18 \u( 18+32)

5. Semi-circular iron sheet with radius r and perimeter ().

A ∏r B ∏r+r C ∏r+2r

6. A cut the rope, A cut 3/5 meters, B cut 3/5 meters, two people cut ()

A cuts more than B, and B cuts more than C, so there is no comparison.

7. If the diameter of the circle is enlarged by 3 times, the area of the circle will be enlarged ()

A 3 times, B 6 times and C 9 times

8. There are 20% more boys than girls, and the ratio of girls to boys is ()

A 6:5 B 5:6 C 1:5

9. Mr. Wang's family used 80 kwh of electricity in May, saving 20 kwh compared with last month, saving ().

A 25% B 20% C 40%