1, the _ _ _ _ of six faces of a cuboid or cube is called its surface area.

2. The volume that a container can hold an object is called its _ _ _ _ _ _.

3. Both cuboids and cubes have _ _ faces, _ _ vertices and _ _ edges. Cubes are _ _ _ cuboids.

4, fill in the appropriate unit name:

The volume of the TV is about 50 _ _ _ _.

The volume of a candy is about 2 _ _ _ _.

An apple weighs 50 _ _ _ _.

The area of fingernails is about 1 _ _ _ _.

A bottle of salad oil is about 4.2 _ _ _ _.

The volume of the cabinet is about 2 _ _ _ _.

5. Put eight cubes 2 cm long into a cuboid with a volume of _ _ _____ cm3.

6. A cube with a perimeter of 4 dm at the bottom can hold _ _ _ _ _ ml of water, which is equivalent to _ _ _ _ _ ml.

7. Fill in the appropriate numbers in the brackets.

500ml = _ _ _ _ decimeter 3 = _ _ _ _ liter

960 cm3 = _____ dm3 = _____ L

400 square decimeter = _ _ _ _ square centimeter = _ _ _ square meter

100 ml = _ _ _ _ decimeter 3 = _ _ _ _ liter

0.0 195 cubic centimeter = _ _ _ _ liter = _ _ _ _ cubic meter

1 m3 = _ _ _ _ liter = _ _ _ _ cubic centimeter

8. Two cubes with a surface area of 6 dm2 are combined into a slightly larger cuboid with a volume of _ _ _____ cm3.

9, the ratio between two adjacent area units is _ _ _ _ _.

10, the rectangular plot is 50 m long, 80 m wide and 20 m high, with an area of _ _____ m2.

Second, the judgment question. ( 10 × 1 = 10 )

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

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

3. The sum of the sides of a cube is 6 dm, so its surface area is 2 16 dm2. ( )

4. The volume of the object must be less than the volume. ………………………………( )

5. Cut a cuboid into two cuboids, and the sum of the surface area and volume of the two cuboids remains unchanged. ……………………………………………………( )

6、3x=x？ x？ x，x3=x+x+x .………………………………………( )

7. Volume is calculated by measuring the length, width and height outside the object, and then multiplying them. ( )

8. Cuboid is a special kind of cube. ………………………………………( )

9. Two cuboids with the same volume must have the same surface area. ……………………( )

10, two cubes with the same surface area must have the same volume. …………………( )

Third, multiple choice questions. ( 10 × 1 = 10 )

1. A rectangular frame with a length of 10 cm, a width of 4 cm and a height of () can be welded with a wire with a length of 64 cm.

A, 1 cm b, 2cm c, 3cm d, 4cm

2. The side length of the cube is enlarged by 2 times, the surface area is enlarged by () times and the volume is enlarged by () times.

a、2 B、4 C、6 D、8

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

a、 100 B、 1000 C、 100000 D、 100000

4. Put a stone with a volume of 8. 1 dm3 into a tank with a length of 3 dm, and the water surface will rise ().

a、2.7 dm B、0.9 dm C、3 dm D、9 dm

5. 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

6, 750 cubic centimeters () 0.7 liters, 4600 ml () 5 liters, 5 square meters () 500 ml,

3.8 liters () 3,800 ml, 0.72 decimeter 3( )72 cubic centimeters, 850 square centimeters () 8.5 liters.

a、gt； B,<c, = D, cannot be compared.

Fourth, the calculation problem. ( 3 × 8 = 24 )

Calculate the surface area and volume below. 2 m

14 cm 3.5 DM 2 m

3.5 million Deutsche Mark

4 cm 3.5 cm 2 m

3 cm 12 m

Fifth, the application problem. ( 2 × 4 + 3 × 6 = 26 )

1, Uncle Wang wants to make two uncovered cuboid iron drums, the length, width and height are 3.6 dm, 25 cm and 0.4 m respectively. How many square decimetres of iron do you need?

Xiaoming wants to make a cloth cover for the TV set. This TV set is 5 dm in length, 45 cm in width and 32 cm in height. How many square decimetres does it take to make this cloth cover?

3. Forging a cubic billet with a length of 0.9 m into a steel plate with a width of 9 m and a thickness of 3 m, how many centimeters is the steel plate?

The size of a packing box is 50 × 80 × 60. Find its volume.

5. Find the size of the apple.

Want an answer?

Reference answer

First, fill in the blanks.

1, total area 2, volume 3, 6, 8, 12, special 4, dm3, cm3, g, cm3, l, m3 5, 64 6, 1, 1000 7, 0.5, 0.96. 0. 195, 1000, 1000000 8、2000 9、 100 10、 1000

Second, the judgment question.

1、√ 2、× 3、× 4、√ 5、× 6、× 7、× 8、× 9、× 10、√

Third, multiple choice questions.

1、B 2、B、D 3、D 4、B 5、D 6、A、B、A、C、A、B

Fourth, the calculation problem.

[Scoring standard: formula, formula, number, unit 2 points]

1, s table = 220 cm2, V = 168 cm3.

2, S table = 73.5 dm2, V = 42.875 cm3.

3.s table = 180 m2, V total = V length +V positive = 120+8 = 128 m3.

Fifth, the application problem.

Scoring standard: 1~2, 4 points for each question: formula, formula, number and unit, and the answer for each question 1 point.

6 points for questions 3~5, 2 points for formula and formula, number and unit, and answer]

1, 1 15.6 square decimeter 2, 83.3 square decimeter 3, 2.7 square centimeter 4, 0.24 cubic meter 5, 128 cubic centimeter.

Give you all.