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Classify triangles

Classify triangles

Assessment

Presentation

Mathematics

5th Grade

Practice Problem

Medium

CCSS
6.NS.B.3, 2.G.A.1, 4.G.A.2

Standards-aligned

Created by

Autumn Tewes

Used 29+ times

FREE Resource

6 Slides • 7 Questions

1

Word Cloud

How many sides does a triangle have?

2

Multiple Choice

Question image

What kind of triangle is this?

1

Acute

2

Right

3

Obtuse

3

Fill in the Blank

4

Draw

Try to draw an obtuse triangle

5

Categorize a triangle

6

Word Cloud

What can you use to tell triangles apart?

angles or sides or both

7

Look at the triangle you have

  • Measure the sides and the angels of each triangle

  • Draw the triangles in your journal

  • Discuss with your group about the similarities and the differences between each triangle

8

media

This is a triangle that has three equal sides and three equal angles

Equilateral triangle

9

media

​Two sides are the same length

Isosceles triangle

10

media

NO sides are equal

Scalene triangle

11

media

Ways to classify?

Angle
is all the angles under 90 degrees = Acute
is one angle 90 degrees = Right
is one angle over 90 degrees = Obtuse

​Sides
are the sides all the same length = equilateral
are only two side the same length = isosceles
none of the sides are equal = scalene

12

Categorize

Options (4)
Question image
Question image
Question image
Question image

Place the images in the correct label

Obtuse triangle
Acute triangle
Right triangle
Square

13

Hotspot

Select the triangle that is an equilateral

How many sides does a triangle have?

Show answer

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WORD CLOUD