Right Triangles of Elementary Students

A RIGHT triangle has ___________.

• 1 right angle

• 2 right angles

• 3 right angles

• no right angles

Tags

CCSS.2.G.A.1

What kind of triangle is this?

• obtuse triangle

• right triangle

• acute triangle

• simple triangle

Tags

CCSS.4.G.A.2

What kind of triangle is this?

• right triangle

• 90 degree triangle

• obtuse triangle

• acute triangle

Tags

CCSS.4.G.A.2

This is a right triangle because —

• it is facing the right way

• it has 3 acute angles

• it has one 90 degree angle

• it does not have one obtuse angle

Tags

CCSS.4.G.A.2

Is this a right triangle? Yes or No?

• yes

• no

Tags

CCSS.2.G.A.1

Is this a right triangle? Yes or No?

• yes

• no

Tags

CCSS.2.G.A.1

What is the total of this triangle?

• 90 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

How many right angles does this triangle have?

• 1

• 2

• 3

• 0

Tags

CCSS.2.G.A.1

What would make this triangle a right triangle?

• If it had two 90 degree angles

• If it had one 90 degree angle

• If it was turned around

• If it totaled 180 degrees

Tags

CCSS.2.G.A.1

How many sides does this triangle have?

• 3

• 2

• 1

• 0

Tags

CCSS.2.G.A.1