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Types of TrianglesGrades 3rd-5th

Types of Triangles ………………..2-10Area of a Triangle………...…….11-13

What type of triangle is this?

A.) scalene

B.) obtuse

C.) isosceles

What type of triangle is this?

A.) obtuse

B.) scalene

C.) equilateral

Which type of triangle has no equal sides or angles?

A.) obtuse

B.) scalene

C.) isosceles

What type of triangle is this?

A.) scalene

B.) obtuse

C.) isosceles

Which triangle has three equal sides?

A.) equilateral

B.) scalene

C.) obtuse

What type of triangle is this?

A.) equilateral

B.) obtuse

C.) isosceles

Which triangle has an angle greater than 90 degrees?

A.) obtuse

B.) scalene

C.) isosceles

What type of triangle is this?

A.) acute

B.) right

C.) obtuse

What is the name of a triangle whose angles are all less than

90 degrees?

A.) acute

B.) right

C.) obtuse

What is the area of this triangle?

What is the area of this triangle?

6

10

What is the area of this triangle?

7

16

Georgia Standards CorrelationGrades 3: Math

M3G1 Geometry: Figures Students will further develop their understanding of geometric figures by drawing them. They will also state and explain their properties.

Element: M3G1.a Draw and classify previously learned fundamental geometric

figures and scalene, isosceles, and equilateral triangles.

Georgia Standards CorrelationGrades 4: Math

M4G1 Geometry: Plane Figures Students will define and identify the characteristics of geometric figures through examination and construction.

Element: M4G1.a Examine and compare angles in order to classify and identify

triangles by their angles.

Georgia Standards CorrelationGrades 5: Math

M5M1 Measurement: Area Students will extend their understanding of area of fundamental geometric plane figures.

Element: M5M1.c Derive the formula for the area of a triangle.

Element: M5M1.d Find the areas of triangles and parallelograms using formulae.

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