Triangle Classification Worksheet

A Grade 5 Math worksheet focusing on classifying triangles by their sides and angles.

Grade 5 Math GeometryTriangle Classification

Use This Worksheet

Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / False

Standards

CCSS.MATH.CONTENT.5.G.B.3CCSS.MATH.CONTENT.5.G.B.4

Topics

MathGeometryTrianglesClassificationGrade 5

6 sections · Free to use · Printable

Triangle Classification

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Date:

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Read each question carefully and classify the triangles based on their sides and angles. Use the diagrams provided to help you.

1. A triangle with two equal sides and two equal angles is called an:

Equilateral triangle

Isosceles triangle

Scalene triangle

Right triangle

2. Which type of triangle has all three sides of different lengths?

Equilateral

Isosceles

Scalene

Right

3. A triangle with one angle greater than 90 degrees is called an triangle.

4. An triangle has all three angles less than 90 degrees.

5. A triangle with exactly one 90-degree angle is known as a triangle.

6. Classify the triangle below by its sides and angles:

By sides:

By angles:

7. Classify the triangle below by its sides and angles:

By sides:

By angles:

8. Classify the triangle below by its sides and angles:

By sides:

By angles:

9. An equilateral triangle can also be classified as an acute triangle.

True

False

10. A right triangle can have two right angles.

True

False