VIII. Correct mistakes.

1. The room is a rectangular.

2. This lamp are circular.

3. Triangles have four angles and four sides.

4. –How width is the box?

5. The wide of the box is 6cm.

6. This block is 30cm length, 10cm wide and 3cm high.

7. It is the larger car in the garage.

8. This road is long than that one.

9. The area of this window is 2 cubic metres.

10. The volume of that room is 24 square metres.

IX. Translate the following sentences into English using your active vocabulary.

1. Какой высоты эта стена? – Ее высота – три метра.

2. Эта вещь имеет высоту пять сантиметров, длину – 3 сантиметра, ширину – один сантиметр, следовательно, ее объем составляет 15см³.

3. Наша комната прямоугольная. Ее площадь составляет примерно 25 м².

4. В комнате одно окно длинной 2 метра и шириной один метр.

5. Какова длина классной комнаты? Между прочим, какова ее ширина?

6. На самом деле площадь классной комнаты составляет 30 м².

7. Эта вещь – большая, а та вещь – еще больше. К тому же, третья вещь – самая большая.

8. Этот блок имеет длину 20 см, ширину 5см и высоту 10см.

Reading and Speaking

I. Look at the pictures below and answer these questions.

A

1. Is the room rectangular?

2. How high is the room?

3. How long is it?

4. What's the volume of the room?

B

1. How high is block B?

2. How wide is block B?

3. What's the length of block C?

4. Is block B larger than block A?

5. Which is the largest block?

II. Read the text and check your answers.

	A. This is a room. It's rectangular. The height of the room is 3 m. The room is about 4 m wide. It has a length of 8 m. So, the volume of the room is approximately 96 m3. The room is light. It has two wide windows. The length of the window is 2 m and the width is 1 m. Thus, the area of the windows is 2 m2.
B. These are blocks A, B and C. Block A is 4 cm high, 8 cm wide and 11 cm long. Block B has a height of 4 cm, a width of 10 cm and a length of 18 cm. Block C has the following dimensions: it is 5 cm high, 15 cm wide and 20 cm long. So, the volumes of the blocks are different. Block B is larger than block A, but block C is the largest.

III. Complete the dialogues.

A

A: What's this?

B: … … room.

A: ... it square?

B: No, … ... rectangular.

A: How wide is ... ?

B: It's 3 m ….

A: What ... the length of the room?

B: It ... 6 m ….

A: How ... is the room?

B: It ... 2 m high.

A: So, the volume of the room ... approximately … ….

B

A: What … these?

B: … … blocks A, B and C.

A: Block A has a … of 5cm, a … of 6cm, and a … of 7cm.

B: How … is block B?

A: … … 5cm high.

B: How … … block C?

A: The width … 15cm.

B: You see, the … of these blocks … different.

A: I quite agree.

IV. Describe the dimensions of your classroom and some objects in it.

Activity

I. Describe the dimensions of the objects.

a wall

Example: A: How wide is the wall? B: It's 60 centimetres wide. A: How long is it? B: It's 10 metres long. A: How high is the wall? B: It's 3 metres high.

II. Describe the dimensions of an object from the box below. Do not mention the object. Let your groupmates guess what it is.

Example: The length of the object is about 12m. The width is about 7m. The height is about 5m. So the volume of the object is about 420 m³. What is it? (It is a classroom.)

a) desk top (surface) b) blackboard c) window

d) door e) drawer (in a table) f) eraser