1, 2- hectares = _ _ _ hectares _ _ square meters 2- hours = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

2, 120 kg-is _ _ _ _ kg 72 hectares less than _ _ _—

3、30:( )=——=( )÷—= 1—=( )%

4. fill in ">,, in (), then, compared with B, () is bigger.

7. If the number of A is given to the number of B, then the numbers of A and B are exactly equal, and the simplest integer ratio of B and A is ().

In class 8.6 (1), the number of boys is 125% of the number of girls. The number of boys is the whole class, and the number of girls is less than that of boys ()%.

9. Cut a cube with a side length of 4 decimeters into the largest cylinder, and the volume of the cylinder is ().

10. Draw a rectangular vegetable plot with an area of () 80 meters long and 60 meters wide on the map with the scale of 1: 2000.

Second, the judgment question. Mark "√" in the right picture and "×" in the wrong question. (4 points)

1, the number divisible by 2 must not be divisible by 3. ( )

2. 12.5m: km The simplest integer ratio is 1: 10 ().

The side length of a cuboid is 24cm, and the cuboid must be 6cm. ( )

If the number of A is equal to the number of B, the number of A is 60% more than that of B. ..

Third, multiple choice questions. Fill in the serial number of the correct answer in (). (4 points)

1, it is known that a 3-meter-long line segment is divided into 4 segments on average, and it can be concluded that ()

Serve 3 meters at a time.

② Every serving is rice.

③ Serve 3 meters at a time.

④ Every serve 1 meter.

2, according to the quotient of a number divided by b number is 4, you can determine ().

① A number must be divisible by B number.

② The number B must be divisible by the number A..

③ The ratio of number A to number B is 4: 1.

④ The number A is the least common multiple of the numbers A and B..

Four, using a simple method to calculate (write a simple process) (6 points)

5. Off-mold calculation. (20 points)

1、98× 102-6999

2、0.4÷2.5+0.07×50

6. As shown below, the drain pipe has an outer diameter of 30 cm, a wall thickness of 3 cm and a pipe length of 4 m. Find the volume of the drain pipe. (4 points)

Seven, column calculation. (8 points)

1, 13.6 minus 9.4, divided by, what is the quotient?

2.3. 1 less than a number 1.6. What's this number? (Equation solving)

Eight, application questions. (35 points)

1. Li Ming deposited in the bank in 500 yuan and got back the principal and interest of 537.35 yuan one year later, thus obtaining the annual interest rate.

2. There are 160 apple trees in the orchard, and there are fewer pear trees than apple trees. How many apple trees are there in the orchard?

3. A car travels from Dongcheng to Xicheng, with a speed of 4 1 km in the first three hours and 220 km in the last four hours. How many kilometers does this car average per hour?

4. The construction team can pave 15 square meters with 480 square bricks. According to this calculation, the area of the school electric classroom is 120 square meters. How many square bricks do you need to buy? (solved by proportional method)

5. How many square centimeters does it take to weld a rectangular open bucket with a bottom length of 25 cm and a height of 40 cm with iron sheet?

(1) Ask how many people are there in the three tree planting teams. Fill in the data in the form.

(2) Find the average number of trees planted by each of the three teams. Fill in the table with numbers.

7. Last semester, there were 65,438+080 students in Grade 6 of Hong Guang Primary School. This semester, the number of boys increased by 16%, while the number of girls decreased by 6. The whole grade 186 students this semester. How many boys were there in the sixth grade last semester?