Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
posibnyk_zrob.doc
Скачиваний:
16
Добавлен:
02.05.2019
Размер:
8.89 Mб
Скачать

VII. Say whether you agree or disagree with the following descriptions.

1. This is a triangle. It has three sides and 3 right angles.

2. This is a square. It has four equal parallel sides and four right angles.

3. This is a pentagon. It has no parallel sides, all the angles are acute.

4. This is a hexagon. It has three pairs of parallel sides; one of the angles is obtuse.

5. The sum of the angles of a triangle is 90°.

6. An obtuse triangle has two obtuse angles.

VIII. Translate the following sentences from Ukrainian into English.

1. Як у форму має цей блок? – Він квадратний.

2. У квадратів є чотири рівних сторони і чотири прямих кути.

3. Круги не мають кутів і сторін.

4. Ці предмети мають різні форми: квадратні, прямокутні, трикутні, круглі.

5. Ця стіна квадратна, чи не так? – Так. Вона квадратна.

6. Цей трикутний предмет має рівні кути. – Ні, не зовсім.

7. ці двері прямокутні чи квадратні? – Вони прямокутні.

Reading and Speaking

I. Read the text and learn how to describe geometrical figures and objects.

A. Look at the picture. These are different shapes. They are triangles, squares, rectangles and circles.

Triangles have three sides and three angles. Squares and rectangles have four sides. Squares have four equal sides, but rectangles have two equal sides. Circles do not have angles or sides.

B. Look at the picture. These are different objects. This is a box, a wheel, a frame, a door and a pair of nails. They have different shapes. The box is square. The door is not square, it is rectangular. The nails are circular. The wheel is circular too. The frame is triangular.

II. Answer the following questions.

A

1. What shapes are these?

2. Do triangles have three sides?

3. Do they have three angles?

4. Do squares have four or two equal sides?

5. Do rectangles have four equal sides?

6. Circles do not have angles or sides, do they?

В

1. Do these objects have different shapes?

2. What shape is the box?

3. Is the door square or rectangular?

4. Are the nails circular?

5. The wheel is circular, isn't it?

6. What shape is the frame?

III. Complete the dialogues.

A

Paul: What are those?

Ann: … shapes.

Paul: What …they?

Ann: They are triangles, …, … and … .

Paul: Squares have … sides and … angles.

Ann: Triangles … three … and … angles.

Paul: Yes, … .

Ann: Rectangles have … sides and four … .

Paul: Circles do not have … or … .

В

Alex: What’s this?

Peter: … a box.

Alex: What's the shape of the box? Is it circular?

Peter: No, … is … . It is … .

Alex: What's that?

Peter: … a wheel.

Alex: The wheel is …, isn't it?

Peter: Certainly.

Activity

I. Draw different shapes and ask your groupmate to name and describe them.

II. Use the expressions of agreement and disagreement and describe these objects in pairs.

Begin like this: – This is a triangle, isn't it?

– Absolutely right.

– It has three angles and two sides.

– No, you are wrong. It has three angles and three sides.

– …

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]