1, the sum of all sides of the cube is 60cm, and its volume is ().

2. Students planted trees, 490 trees survived, 10 trees did not survive, and the survival rate was ().

3, () meters is 60 meters, 40 kg less than 50 kg is ()%.

4. The difference between A and B is 80, B is 20 and B is ()% of A. ..

5. Fill in the appropriate unit name in brackets.

Xiao Ming is about 120 (), and the volume of a glass of milk is about 250 ().

The volume of matchbox is about 8 (), and the volume of watermelon is about 8 ().

6, 18 ÷ () = ()% = () ÷ 6 = () decimal.

7. Put10g of sugar into 90g of water, and the sugar content of syrup is ().

8. In a group of numbers of 0.45, 0.455 and 55%, the largest number is () and the smallest number is ().

9.50 cubic decimeter = () cubic meter 0.7 liter = () milliliter.

10. Divide the rice into five sections on average, with each section being full () and each section being long ().

Second, please be a little judge. (Mark "√" for the right and "×" for the wrong) (* *10)

1, boys are more than girls 10%, that is, girls are less than boys 10%. ( )

2. A batch of clothes sold 70%, leaving 30%. ( )

3. A cube with a side length of 6 cm has the same volume and surface area. ( )

4. Trees planted in the fifth grade 1 10 all survived, and the survival rate was 1 10%. ( )

5.0.37 meters can be written as meters or 37% meters. ( )

Please select one (*** 16)

1, the side length of the cube is enlarged by 2 times, the sum of its side lengths is enlarged by () times, and the surface area is enlarged by () times.

The volume has expanded () times.

a、2 B、4 C、6 D、8 E、9

2. The description of the error in the figure below is ()

A, 0.75% B, 180% C, survival rate of 98% D, flour yield of 120%.

3. 172, 135, 142,10, 139, 138, 1488.

a、 135 B、 1 10 C、 138 D、 139

4. The fan chart can be (), and the line chart can be ().

A, said the development and change of quantity. B, indicating the quantity of various quantities.

C, show the number relationship between part number and total number, part number and part number.

5. The reciprocal of () must be greater than 1.

A, any number b, true score c, false score

Four, please do the math problem (22 points)

1, write the number directly (8 points)

5÷2= ×7= ÷ 12= × =

28× = ÷ = - = 1÷ =

2. Do whatever you want (8 points)

1÷( ÷ ) ×5+ ×5

35÷( ÷ ) × ×39

3. Solving equations: (6 points)

X-X = 15 30% X = 18 5+X = 13

Verb (abbreviation of verb) Please solve practical problems: (***32 points)

1. An engineering team built a 2000-meter-long highway. On the first day, the full length will be built, and on the second day, the full length will be built. How many meters are left? (5 points)

2. The following are the test results of the first batch of students in Class One, Grade Five:

Student ID1234556789101112.

Achievement100 54100 73 97 94 85 94 87 94 86 92

(1) Find the median and mode of this set of data. (2 points)

(2) If the score is above 90, what is the excellent rate of this group of students? (5 points)

(3) This 12 student accounts for the whole grade. How many students are there in the whole grade? (5 points)

3. A rectangular iron sheet with a length of 30 cm and a width of 25 cm is cut from four corners to make a box without a cover. How many liters of water can this box hold? (5 points)

Mingming has moved into a new home, and now he has to paint the walls of the room. The room is 4 meters long, 3 meters wide and 3 meters high, excluding the area of doors and windows of 4.7 square meters. Please help him calculate. (*** 10 point)

(1) What is the actual painting area?

(2) If the paint is 0.6 liters per square meter, how many liters of paint does it take to paint a clean room twice?