Introduction: Welcome to our lesson on angles in the outdoor environment! Today, we will be exploring the different types of angles that we can find in nature and how they are used in our everyday lives.

Warm-up activity: Let’s start by going outside and finding some examples of angles in the environment. Look around you and see if you can spot any right angles, acute angles, or obtuse angles. Take a picture of each angle you find and we will discuss them later in the lesson.

Main activity: Now that we have some examples of angles, let’s learn more about them.

• Right angles: A right angle is an angle that measures exactly 90 degrees. It is often found in corners of buildings, fences, and other man-made structures. Can you find any right angles in the pictures you took earlier?

• Acute angles: An acute angle is an angle that measures less than 90 degrees. It is often found in the branches of trees, the slope of a hill, or the angle of a rock formation. Can you find any acute angles in the pictures you took earlier?

• Obtuse angles: An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees. It is often found in the shape of a mountain or the angle of a river bend. Can you find any obtuse angles in the pictures you took earlier?

Now that we know the different types of angles, let’s see how they are used in our everyday lives.

• Architects and builders use right angles to ensure that buildings are square and stable.

• Hikers and climbers use acute angles to determine the steepness of a trail or the angle of a rock face.

• Engineers and designers use obtuse angles to create strong and stable structures, such as bridges and dams.

Conclusion: Angles are all around us, even in the outdoor environment. By understanding the different types of angles and how they are used, we can appreciate the importance of geometry in our everyday lives. Thank you for joining me in this lesson on angles in the outdoor environment!