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# Triangle Classification

## Categories of triangles based on angle measurements or the number of congruent sides.

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Triangle Classification
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## RWA Triangle Classification

### Topic

Measuring and classifying triangles in the real world

### Vocabulary

• Acute triangle
• Obtuse triangle
• Right triangle
• Equilateral triangle
• Isosceles triangle
• Scalene triangle

### Extension Investigation

1. Students will identify triangles in their classroom or school and do a presentation on what they found. See an example here:

2. Each student will bring or take a photo of an acute, right, obtuse, equilateral,isosceles and scalene triangles. They will measure the triangle angles and sides using a protractor and a ruler.

#### Layering (optional)

Triangles Rap

Real World Triangles

Triangle Sort, Shapes http://www.crickweb.co.uk/ks2numeracy-shape-and-weight.html

### Notes/Highlights Having trouble? Report an issue.

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