# Lesson overview:Comparing & classifying right angled triangles and equilateral triangles

- In this lesson, we look at a range of triangles and take a closer look comparing a right angled triangle with an equilateral triangle.

## Core Content

- In this lesson, we look at a range of triangles and take a closer look comparing a right angled triangle with an equilateral triangle.

## 2-D shape, perimeter and area:

- Calculate and measure perimeter
- Calculate the area of rectangles
- Calculate the area of rectilinear shapes
- Compare the area and perimeter of rectangles
- Calculate the area of non-rectilinear shapes
- Comparing & classifying 2-d shapes
- Comparing & classifying quadrilaterals
- Comparing & classifying right angled triangles and equilateral triangles
- Comparing & classifying isosceles and scalene triangles
- Identifying lines of symmetry in 2D shapes