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Classification of Triangles (5 class)

Раздел Иностранные языки
Класс 5 класс
Тип Другие методич. материалы
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Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)Classification of Triangles (5 class)LESSON: Demo lesson

Classification of triangles

(presentation by Prezi.com )

School: Murager, Kyzylorda

Date: 5 "a"


Teacher name: Kydyrbayeva N.B

CLASS: 5

Number present:

absent:

Learning objectives(s) that this lesson is contributing to

  1. To explain the triangle and to motivate SS

  2. To classify the types of number

  3. To practice and recognize the academic words in three languages.

Lesson objectives

All learners will be able to:

  • Recognize triangles

  • Able to say the types of numbers


Most learners will be able to:

  • Explain the types of numbers


Some learners will be able to:

  • Classify the types of triangle and explain them

Previous learning

Angles

Plan

Planned timings

Planned activities (replace the notes below with your planned activities)






Resources

Beginning

3 minutes













5 minutes

















10 minutes


Greeting

Hello, children! I'm glad to see you! How are you?

Now, I'll divide you in to 2 groups, saying Red and Blue.

In order to know the theme of the lesson you should answer for some questions, giving your correct answer you'll build a figure, according to this figure you can guess the theme of the lesson.




  1. What is point and line?

  2. What is plane and segments?

  3. What is endpoint and ray?

  4. What is midpoint, bisector of a segment?

  5. What is acute angle?

  6. What is right angle?

  7. What is obtuse angle?

  8. What is straight and complete angle?

So, what is the theme of the lesson?

Yes, Triangle.

New theme:

Do you understand these written words?

(expected answer is "no" cause they don't understand them)

We'll return to this chart at the end of the lesson.

Classification of Triangles (5 class)

A triangle is a polygon with three sides. If we connect three noncollinear points in a plane we obtain a triangle.

angle

side

vertex (vertice)

Academic language in tree languages:

Angle

Бұрыш

Угол

Side

Қабырға

Сторона

Vertex

Шың (нүкте)

Вершина



Classification of Triangles (5 class)

Academic language in tree languages:

Equilateral triangle

тең қабырғалы үшбұрыш

равносторонний треугольник

Isosceles triangle

Теңбүйірлі үшбұрыш

равнобедренный

треугольник

Scalene triangle

Әртүрлі бұрышты үшбұрыш

Косоугольный

треугольник

Right triangle

тік бұрышты үшбұрыш

прямоугольный треугольник

Acute triangle

сүйір бұрышты үшбұрыш

остроугольный треугольник

Obtuse triangle

доғал бұрышты үшбұрыш

тупоугольный треугольник

Scalene

Isosceles

Equilateral

Acute

Right

Obtuse


Song: "Triangle Style"





































youtube.com/watch?v=OwiNe_Vp9pM

5 minutes





























5 minutes



















5 minutes





















7 minutes

Activity #1: Say them in tree languages

Classification of Triangles (5 class)

Activity #2:

The triangle ABC, A=54◦, B=80◦, then find the angle C?

It is the triangle ABC

A C the angle B is 65 degrees, Find the angle C?

It is Isosceles triangle ABC, the angle A =65 degrees. Find other angles.

It is Right Isosceles triangle, Find angles.

Activity#3:

Classification of Triangles (5 class)

Now, I say the types of triangle and you should shape that figure:

  1. Acute

  2. Isosceles

  3. Equilateral

  4. Scalene

  5. Right

  6. Obtuse

  7. Scalene and acute

  8. Obtuse and Isosceles

Activity #4:

Classification of Triangles (5 class)Game!!!

getkahoot.com for a teacher,

kahoot.it for pupils

all pupils have to have tablets or phone and internet access

  1. The triangle that has 3 equal sides that are the same length.

  1. Equilateral

  2. Isosceles

  3. Scalene

  1. The triangle that has at least 2 sides that are the same length.

  1. Equilateral

  2. Isosceles

  3. Scalene

  1. This triangle has all 3 angles that are acute angle.

  1. Acute

  2. Right

  3. Obtuse

  1. The triangle ABC, <B =90º, <A=58, Find <C=?

  1. 30

  2. 35

  3. 32

What kind of triangle is shown?

  1. Obtuse scalene

  2. Acute isosceles

  3. Right isosceles

  1. Which classification of triangle can't be possible:

  1. Obtuse scalene

  2. Obtuse Equilateral

  3. Obtuse Isosceles

  1. All angles less than 90º

  1. Acute

  2. Right

  3. Obtuse

  1. The triangle which has an angle more than 90 º

  1. Acute

  2. Right

  3. Obtuse

  1. The triangle has an angle 90º

  1. Acute

  2. Right

  3. Obtuse

What triangle is it?

  1. Isosceles& acute

  2. Equilateral& acute

  3. Isosceles& obtuse

Activity#5

Do you remember these figures?

(The words will be written on the other side, pupils don't see them, and they should name the type of triangle and turn it.)

Classification of Triangles (5 class)

End

5mins

  • How do you feel now?

  • Are you OK ?

  • Write on your apples if the lesson was clear and interesting or vice versa.

  • Now, Boys and Girls come up to the apple tree once more and stick your apples.

Classification of Triangles (5 class)

  • Evaluating

  • Give the home task

H/t: Shape the types of triangle and do the tasks ( a sheet of paper is given)



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