1. If moving 5m to the left is marked as+5m, moving 3m to the right is marked as ().

2. The sum of all true fractions with denominator of 6 is ().

3. (Fill in decimals).

4, 3.08 cubic decimeter = () ml 45 minutes = (-)

46 cubic centimeters = () cubic decimeter

8.2 cubic decimeter = () liter = () ml

5. The rectangle is 3cm long, 6cm wide and 4cm high. The sum of the sides of this cuboid is () cm, and the volume is () cubic cm.

6. Distribute 4 kilograms of fruit to five students equally, each student gets () kilograms, and each student gets () fruits.

7. If the length of a cube is 48 cm, its surface area is () cm2 and its volume is () cm3.

8. Fill in ">" in ○ of each group below. , "<, or" = ".

3 3.34

9. Fill in the appropriate unit of volume.

A box of yogurt is about 240 (). The volume of the container is about 40 ().

10, a basket of apples, four quarters, just enough; 10, 10, just enough. There are at least () apples in this basket.

Second, I am a little judge. (Mark "√" for the right and "×" for the wrong. ***8 points)

1. The numerator and denominator have a common factor of 1, which must be the simplest fraction. ( )

2. Add 6 to the numerator and denominator at the same time, and the size of the fraction remains unchanged. ( )

3. All six faces of a cuboid must be rectangular. ( )

The denominator is 7, and the real score is. ( )

5. The least common multiple of two numbers must be the multiple of their common factor. ( )

A temperature of 6.0℃ means no temperature. ( )

7. There are countless scores greater than or less than. ( )

8. The sum of the sides of a cube is 12cm, and its volume is 1cm3. ( )

Third, calculation. (***29 points)

1, oral calculation. (***3 points)

- = - = 1 + + =

+ = - = 1 - - =

2. Solve the equation. (***6 points)

+ x = x - = + x =

3. Find the common factor and the least common multiple of each group of the following numbers. (***8 points)

15 and 7 8 and 12 23 and 92 48 and 27.

4. Calculation of the following problems can be simplified. (*** 12)

+( + ) - +

Fourth, solve the problem. (***34 points)

1. The workers built a road, which was kilometers on the first day and kilometers on the second day.

How many kilometers did you run in two days? (4 points)

A container is 9 meters long, 3.2 meters wide and 2.5 meters high.

(1) How many square meters of steel plates does it take to make such a container? (4 points)

(2) What is the approximate volume of this container? (Ignore thickness) (4 points)

In the orchard, we plan to plant peach trees, pear trees and apples in other places.

Trees. How many places in this land are planted with apple trees? (4 points)

A room is 8 meters long, 5 meters wide and 2.8 meters high. It is necessary to paint the walls and ceilings now. After deducting the door and window area of 4.5 square meters, what is the total area that can be used for painting? (4 points)

5. The following two statistical charts reflect the distribution of students A and B's math self-test scores and study time at home in the final review stage. ..

Statistical chart of self-test scores, statistical chart of study time allocation

Look at the picture and answer the following questions:

(1) As can be seen from the statistical chart of dotted line (), it has made rapid progress. As can be seen from the histogram (), it takes less time to reflect. (4 points)

(2) How much time does A and B spend on reflection each account for their total study time? (4 points)

(3) Whose learning style do you like? Why? (2 points)

6. Fill 150 liter of water into a rectangular water tank with a length of 80 cm and a width of 50 cm. How high is the water? (4 points)