Triangles. Classification and properties

Triangles. Classification and properties
Triangles
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Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 1

In deze les zitten 17 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 50 min

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Triangles. Classification and properties
Triangles

Slide 1 - Tekstslide

Learning objectives:
At the end of this lesson I can:
 -Identify different types of Triangles
-Use the angle sum property to find unknown angles in triangles.

Slide 2 - Tekstslide

What do you know
about triangles?

Slide 3 - Woordweb

Classification of triangles

Slide 4 - Tekstslide

Name the triangle according to its angles and sides

Slide 5 - Open vraag

Name the triangle according to its angles and sides

Slide 6 - Open vraag

Activity: Tearing a Triangle

a Draw a triangle on a separate piece of paper.

b Color the corners of the triangle just like in the figure next to it.

c Cut out the triangle. Tear off the corners. Place them next to each other and stick them in your notebook.
Activity: Tearing a Triangle
a Draw a triangle on a separate piece of paper.
b Color the corners of the triangle just like in the figure below.
c Cut out the triangle. Tear off the corners. Place them next to each other and stick them in your notebook.
timer
5:00

Slide 7 - Tekstslide

Conclusions from activity

Slide 8 - Woordweb

Slide 9 - Tekstslide

what kind of angle is this?

Slide 10 - Tekstslide

Sum Angle Property

Slide 11 - Tekstslide

Find the missing angle:

Slide 12 - Tekstslide

Find the missing angle:

Slide 13 - Tekstslide

Find the missing angle

Slide 14 - Open vraag


Find the missing angles
A
34
B
46
C
36
D
44

Slide 15 - Quizvraag

Find the missing angle
A
54
B
44
C
34
D
64

Slide 16 - Quizvraag

Try yourself
In teams you have a worksheet named:
"Sum of angles in a triangle"

Slide 17 - Tekstslide