Fill in the blanks.
1 . 3 . 05t =()t()kg()h()min = 3.4h。
2. The unit of the score is the sum of the maximum true score and the minimum false score ().
3. The diameter of the big circle is 8 cm, the radius of the small circle is 2 cm, and the ratio of the length of the small circle to the circumference of the big circle is ().
4.( )÷ 15= =0.4=( )%= 16:( )?
When the number A is divided by the number B, the quotient is 4 and the remainder is 3. If both numbers A and B are expanded to 10 times, the quotient is () and the remainder is ().
6.0.8: The simplest integer ratio is (), and the ratio is ().
7. At the get-together, Xiaoming strung balloons in the order of 3 red balloons, 2 yellow balloons and 1 green ball to decorate the classroom. Then the16th balloon is () color. ?
8. If a= b, (A and B are both natural numbers greater than 0), then the greatest common factor of A and B is () and the smallest common multiple is ().
9. The sum of three consecutive even numbers is m, of which the smallest even number is ().
10. The hour hand of the wall clock is 5 cm long, and its tip has gone () cm all day.
1 1.9 kg of coal can generate electricity 15 kwh, and each kwh needs () kg of coal, and each kg of coal can generate electricity () kwh.
12. It takes 4 days for Party A to complete the same work alone, and 5 days for Party B. The efficiency of Party A is ()% of that of Party B.
13. The rectangular body is 8 decimeters long, 6 decimeters wide and 4 decimeters high. If the length, width and height of this cuboid are reduced to the original appearance, then the current volume of this cuboid is the original cuboid volume ().
14. Expand one side of the cylinder to get a square. The radius of the bottom of the cylinder is 5cm, and the height of the cylinder is (). ?
Second, judge.
1. Bar charts can not only indicate quantity, but also indicate the change of quantity ().
2. A number can be positive or negative. ( )
There was a difference of 5 tons between the two piles of goods. If the two piles of goods are transported 65,438+00% respectively, the remaining difference is still 5 tons. ( )
4. The volume difference between a cylinder with equal bottom and equal height and a cone is 4.6cm3, and the volume of a cylinder is 6.9 cm 3 ().
5.A is B, and the number A is proportional to the number B ... ()
Third, choose. ?
1. A number consists of three sixes and three zeros. If this number only reads two zeros, then this number is ().
a、606060 B、660006 C、600606 D、660600
2. The side length of a square is odd, and the circumference of this square must be ()
A, prime number b, odd number c, even number
3. The side of the cylinder is square, and the ratio of the diameter of the bottom surface to the height of the cylinder is (). ?
a、 1:2π B、 1:π C、2:π？
4. Add a 0 at the end of 9.9, and the counting unit of the original number is ().
A, expand to the original 10 times b, unchanged c, shrink to the original?
5. Divide the 45-meter-long rope into 4 parts on average, and each part accounts for () of the whole length.
a、 15 B、 14 C、 15m d、 14？
Fourth, calculation.
1. What is the number written directly?
25×40%= 0.25×0. 12= 3.6÷25%×4= 28.4÷0.4=
( 12.5+ )× 8= 19- - 1 = 8+0. 1÷0. 1-8= ÷ =
2. Non-type calculation
9.43-( 1.74+ 1.43) 0.74×3.25+0.74×6.75 ( + + )÷
56 ÷( 1-920 )× 15 8÷ ÷(2- )
3. Solve equations or proportions. ?
∴x = 3∶ 12x+x =？
4. Formula calculation
(1) Subtract the product of sum. What is the product of difference?
(2) The sum of a number is exactly equal to 80% of 60. Find this number.
Fifth, the operation problem.
The distribution of the main streets in the urban area is as follows.
Start measuring the data you think is useful (take whole centimeters), and then solve the following problems:
(1) Wenmin Road Length1800m. What's the scale of this painting?
(2) The Cultural Palace is 900 meters northeast of the school. Please mark it on the picture.
Sixth, solve the problem.
1. A garden planted 4500 trees last year, and plans to plant 20% more this year than last year. How many trees are planned to be planted this year?
The fifth-grade students went for a spring outing and bought some apples and Sydney. I bought 180 apples, less than Sydney 12 apples. How many Sydney did you buy? ?
Five bottles contain the same amount of water. If you pour 3 kilograms from each bottle, the total amount of water left in five bottles is exactly the total amount of the original three bottles. How many kilograms of water are there in each bottle?
Master Wang made a cuboid water tank with iron sheet. The bottom of the water tank is square, and the height of the water tank is 1 m. If 175 liter of water is poured into this water tank with a water depth of 7 minutes, what is the volume of this water tank? (excluding the thickness of iron sheet)
Xiaohong planted trees around the playground. At first, she planted a tree every 3 meters. After planting 9 trees, she found that there were not enough saplings, so she decided to replant and plant a tree every 4 meters instead. How many trees don't need to be pulled up when replanting?
6. The following statistical chart shows the water consumption of Zoucheng No.2 Experimental Primary School in each quarter of 20 1 1. Look at the picture and answer the questions.
(1) () The water consumption in the quarter is the highest, which is ()% more than that in the quarter with the least water consumption.
(2) Please calculate the monthly average water consumption of 20 1 1 year.