I. True or False (65438+ 0 points for each small question *** 5 points)
1. 100 tons of peanut kernel can extract 38 tons of oil, and the oil yield of peanut kernel is 38% tons. ()
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3. Two cuboids with the same volume must have the same length, width and height respectively. ()
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5. The reciprocal of all natural numbers is less than 1. ()
Second, multiple-choice questions (65438+ 0 points for each small question *** 5 points)
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2. If you want to know how much water a glass fish tank can hold, you just want to know the [] of this glass fish tank.
A. surface area B. volume C. volume D. material area
3. The time for Uncle Li to process a part is reduced from 10 minutes to 8 minutes, and the work efficiency is improved []
A.80% B.25% C.20% D. 125%
4.
A. higher than b, lower than b, equals B.
5.A has 15 books, five more than B, and what percentage of B's books are less than A? The correct expression is []
3. Fill in the blanks (2 points for each small question *** 20 points)
1.() 1 cubic decimeter cube can be put into a cuboid with a length of 5 decimeters, a width of 3 decimeters and a height of 2 decimeters.
2. 1.05 The number of chemical components is (), the percentage of chemical components is (), and the number of writing components is ().
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A thread can be welded into a cuboid with a length of 6 cm, a width of 5 cm and a height of 4 cm. If this wire is welded into a cube, the surface area of the cube is (). The volume is (? ).
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7. A project is completed by Party A 12 days, Party B 15 days, Party A works for 4 days, and Party B works for 3 days, * * * completes the project ().
8. Dissolve10g of salt in () g of water, and the salt content of brine will be 5%.
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Fourth, simple calculation (3 points for each small question *** 6 points)
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5. Calculation questions (1 item 2 points, 2 items 3 points, 3-5 items 4 points, *** 17 points)
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Six, the text narrative topic (4 points for each small question *** 16 points)
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Vii. Application questions (1 event 4 points, 2-4 5 points for each question, 5-6 6 points for each question, *** 3 1 point)
1. Xinhua Iron and Steel Plant produced 2.7 million tons of steel last year, 300,000 tons more than planned. What is the percentage of actual output exceeding the plan?
2. If a project is done alone, team A needs 12 days, team B needs 10 days and team C needs 15 days. Now that team A has done it for 3 days, how many days will it take for the remaining teams B and C to complete the task together?
3. One workshop produces a batch of parts, and 40% of the parts are produced in 4 hours. According to this calculation, 30 parts can be produced in 2.5 hours. How many parts are there in this batch?
There are two workshops in a factory, and the number of people in the first workshop accounts for 65% of the total number of people in the factory. If 24 people are transferred from the first workshop to the second workshop, then the number of people in the two workshops is equal. How many people are there in the first workshop
5. Calculate the result according to the conditional calculation formula.
Party A and Party B have two road construction teams. Team A has built 4.8 kilometers of roads, _ _ _ _ _ _ _, and how many kilometers has Team B built?
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I. True or False (65438+ 0 points for each small question *** 5 points)
1. The highest germination rate of soybean is 100%. ()
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3. The weight of brown sugar is more than that of white sugar 10%, that is, the weight of white sugar is less than that of brown sugar 10% ()
The reciprocal of a false score is smaller than itself. ( )
5. Fractions with denominator of 15 cannot be converted into finite decimals. ()
Fill in the blanks (2 points for each small question *** 20 points)
1. 6. 07 l = () ml = () cc.
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4. The sum of three consecutive natural numbers is 36. These three natural numbers are (), () and (? ).
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The simplest integer ratio of 6. 6 to 0.75 is (), and the ratio is ().
7. The ratio of A to B is 5:6, A is 10, and B is ().
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9. In a school, there are 96 students who have reached the standard of physical education in grade six, and 24 students who have not reached the standard, with a compliance rate of ()%.
10. The surface area of a cube is 26.46 cm2, the volume is 9.26 1 cm3, and the side length is (? ) centimeters.
Third, simple calculation (3 points for each small question *** 9 points)
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IV. Calculation questions (No.65438 +0, 3 points, 2-4 points, 4 points for each question, *** 15 points)
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Verb (abbreviation of verb) written narrative question (5 points for each small question *** 10)
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VI. Application problems (1 event 5 points, 2-7 items 6 points each, *** 4 1 point)
1. The radius of an inner ring is 3m and the circumference of an outer ring is 37.68m What is the area of this ring?
2. A kind of concrete is made of cement, sand and stone according to the ratio of 2? 3? 5. How many tons of cement is needed to prepare 1920 tons of this concrete?
There are 875 students in Miaomiao Primary School, of which 48% are boys. How many boys are less than girls?
There are 460 pear trees in Song Chun Orchard, and there are 25% more apple trees than pear trees. How many apple trees are there in the orchard?
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7. For a project, one person in Group A completed it in 30 days. If Team B completes it in 7 days, Party A and Party B complete it in 8 days, and the rest of Team A completes it in 12 days, how many days will it take for Team B to complete it alone?
I. True or False (2 points for each small question *** 8 points)
1.0.5% is 0.005. ()
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3. Planting trees in spring 10 1 plant, survival 100 plant, survival rate 100%. ()
4.a is 25% more than B, which means that B is 25% less than A.. ()
Fill in the blanks (2 points for each small question *** 16 points)
1.25m and above, the number of 30% is ().
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3.800 tons of iron ore produces 520 tons of slag. The iron content of this ore is ().
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7. The original price of a small farm tool is 20.8 yuan. First raise the price by 12.5%, and then lower the price by 12.5%. Do you sell it now? /font & gt； The price is ().
8. Working on a project alone takes Party A 8 days and Party B 6 days, and Party B's work efficiency is ()% faster than that of Party A..
8. Working on a project alone takes Party A 8 days and Party B 6 days, and Party B's work efficiency is ()% faster than that of Party A..
Third, simple calculation (4 points for each small question *** 8 points)
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Fourth, the calculation problem (5 points for each small question *** 25 points)
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Verb (abbreviation of verb) narrative question (4 points for each small question *** 8 points)
1.A number is 10, B number is 8, and what percentage of A number is B number?
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Six, the application problem (1-2 each question 4 points, 3-5 each question 5 points, 6-7 each question 6 points, *** 35 points)
1. The planned investment for building an expressway was 1.5 million yuan, but only 1.2 million yuan was actually used, which saved a few percent?
2. Xinghua Sugar Factory produced 25,000 tons of sugar last year, which is planned to increase by 12% this year. How many tons of sugar do you plan to produce this year?
3. Class 1, Grade 6, awarded 12, 20% more than Class 2. How many students were awarded in Class Two?
4. For a barrel of oil, 37.5% is poured out the first time, 40% of the total amount is poured out the second time, and 3 1kg of oil is poured out twice. How many kilograms is this barrel of oil?
5. For a barrel of oil, 37.5% is poured out for the first time and the remaining 40% is poured out for the second time. There are still 30 kilograms left at this time. How many kilograms is this barrel of oil?
6. The fish shipped by the fishing company for the second time is 37.5% of that of the first time, 4.2 tons less than that of the first time. How many tons of fish are shipped twice?
7. The grain store has a batch of rice. It sold 36% in the first week, 25% in the second week, 40% in the third week after the second week, leaving 180 kg. How many kilograms of rice are there in the grain store?