2. The () of the () faces of a cuboid or cube is called its surface area.

3. The volume of the object that a container can hold is called its ().

4. Both cuboids and cubes have () faces, () vertices and () edges. A cube is a cuboid of ().

5, fill in the appropriate name of the unit (3 points)

The volume of TV is about 50 (), and the area of fingernail is about 1 ().

A bottle of salad oil is about 4.2 () The volume of pencil case is about 400 () The volume of a candy is about 2 () An apple weighs 50 ().

6. When the side length of a cube is enlarged by 3 times, its surface area is enlarged by () times and its volume is enlarged by () times.

7. The volume of rectangular water tank is 200 liters. The bottom of this water tank is a square with a side length of 50 cm, and the height of the water tank is () cm.

8. A cubic medicine box with a side length of 6 cm, with a surface area of () and a volume of ().

9, the ratio between two adjacent area units is ().

Second, true or false (10)

1. A cuboid has at most 8 identical edges and 6 identical faces. ( )

2. cuboids and cubes have the same volume, so their surface areas are equal. ( )

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

The volume of the box must be greater than its volume. ( )

The bigger the object, the more space it takes up. ( )

Iii. Multiple choice questions (10)

1, a bag of milk is about 250 ().

A, l b, square centimeter c, cubic meter d, milliliter

2. After a cube is divided into two small cuboids, the surface area ().

A, unchanged b, bigger c, smaller C.

3. Enclose a rectangular frame with a length of 6 cm, a width of 5 cm and a height of 2 cm with a length of () cm.

a、26 B、 1 17 C、52 D、60

4. When the side length of the cube increases from 4.5 cm to 6 cm, the surface area increases ().

A, 27 cm2 b, 94.5 cm2 c, 2 16 cm2 d, 124.875 cm2

5. A cube with side length of 1 m can be cut into () cubes with side length of 1cm.

a、 100 B、 1000 C、 100000 D、 100000

(1) Calculate the surface area and volume of the graph (8 points for each question, *** 16 points)

(2) Complete the following table (10)

Chart Length (cm) Width (cm) Height (cm) Volume (cm 3) Surface area (cm 2)

Cuboid 12 10 5

8 6 480

20 3 300

Cube 8

Fifth, solve the problem. (34 points)

1. There is a square experimental field with a side length of 9 meters in the campus of Rongxin Primary School, and the average potato yield per square meter is 1.5 kg. How many kilograms does this experimental field receive? (7 points)

2. The school should dig a rectangular bunker, 4 meters long, 2 meters wide and 0.4 meters deep. How many cubic meters of yellow sand do I need to fill? (5 points)

3. A cuboid oil drum, 8 cm long, 2 cm wide and 6 cm high. If each liter of oil weighs 0.72 kilograms, how many kilograms can it hold? (6 points)

4. Stick tiles in a rectangular reservoir with a length of 20m, a width of 8m and a depth of1.5m. The tiles are a square with a side length of 0.2m How many tiles do you need after sticking * * *? (8 points)

5. A cuboid iron box, length 18cm, width 15cm and height 12cm. How many square decimetres of iron does it take to make this tin box? (8 points)