Decomposing and Composing Triangles

How many triangles made this shape?

• 1

• 2

• 3

• 4

Tags

CCSS.1.G.A.2

Ali joined 2 shapes together to make this shape. Which 2 shapes did Ali join together?

• 2 triangles

• 2 squares

• 2 circles

• 2 trapezoids

Tags

CCSS.1.G.A.2

Look at this group of figures.

Which figure best fits in this group?

• 
• 
• 

Tags

CCSS.2.G.A.1

I have 3 sides and 3 corners. What shape am I?

• rectangle

• triangle

• square

What shape can we make from this?

• 
• 

This means putting together different shapes to form another shape.

• composing a shape

• decomposing a shape

This means dividing or partitioning the shape into different shapes.

• composing a shape

• decomposing a shape

Can you decompose the triangle into 4 triangles?

• Yes

• No

Which shape was used to make this shape?

• square

• triangle

• rectangle

• hexagon

Putting two or more shapes together is called ___________.

• composing

• designing