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Triangle Properties Worksheet

Explore basic triangle properties for Grade 3 students, including identifying types of triangles based on sides and angles.

Grade 3 Math GeometryTriangle Properties
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / False

Standards

CCSS.MATH.CONTENT.3.G.A.1

Topics

mathgeometrytrianglesgrade 3
6 sections · Free to use · Printable
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Triangle Properties

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Read each question carefully and answer to the best of your ability. Use the diagrams to help you.

1. Which of these shapes is a triangle?

a
b
c
d

2. How many sides does a triangle have?

a

2

b

3

c

4

d

5

1. A triangle has three   and three  .

2. All sides of an equilateral triangle are   in length.

1. Draw a triangle with all sides the same length. What is this type of triangle called?

All sides are equal

2. Draw a triangle with two sides the same length and one different. What is this type of triangle called?

Side 1Side 2Side 3

1. A triangle can have four corners.

T

True

F

False

2. All triangles have at least one right angle.

T

True

F

False