LESSONNEW
Triangles
2 hours ago by
LUIS ZAMBRANO
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• Slide 1
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Triangles

TH: How can I identify triangles?

• Slide 2
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Where can I see triangles?

In different contexts, we can see triangles.

• Slide 3
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Figures

• Slide 4
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Triangles

In the food... delicious!

• Slide 5
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Pyramids of Egypt

• Triangles are parts of a solid.

• How many triangles can you see in a pyramid?

• Slide 6
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There are a lot of triangles.

A triangle is a geometric figure with three sides, three inner angles and three vertices.

• Question 7
30 seconds
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Q.

How many vertices does a triangle have?

1

2

3

4

• Question 8
60 seconds
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Q.

How many sides does a triangle have?

3
alternatives
Three
three
• Question 9
30 seconds
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Q.

How many inner angles does a triangle have?

2

3

4

5

• Question 10
30 seconds
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Q.

What type of angle is this?

Right angle

Acute angle

Straight angle

Obtuse angle

• Question 11
30 seconds
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Q.

What type of angle is this?

Obtuse angle

Right angle

Acute angle

Straight angle

• Question 12
30 seconds
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Q.

What type of angle is this?

Acute angle

Obtuse angle

Right angle

Straight angle

• Question 13
30 seconds
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Q.

What type of angle is this?

Acute angle

Obtuse angle

Rigth angle

Straight angle

• Question 14
30 seconds
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Q.

What type of angle is this?