Year 4

Year 4

# To identify and classify right angled and equilateral triangles

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## Lesson details

### Key learning points

1. In this lesson, we will revise the names of different types of triangles. We will look at what they have in common with each other and what makes them different. We will learn the properties of various types of triangles and use correct mathematical vocabulary to describe the features and properties of each. We will focus on right angled and equilateral triangles.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
How many sides do quadrilateral shapes have?
3
none
Q2.
Rhombus
Trapezium
Q3.
Decagon
Hexagon
Q4.
In a rectangle, which is NOT true
Correct answer: Opposite sides are diagonal
Opposite sides are equal
Opposite sides are parallel
Q5.
How many vertices/angles does a quadrilateral have?
5
6

## Exit quiz

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### 5 Questions

Q1.
All triangles have how many sides?
4
5
Q2.
Angles in a triangle add up to how many degrees?
160°
190°
Q3.
All sides in an equilateral triangle are?