Basic 3Mathematics14 min
Right Angles
Learners use book corners, folded paper, and a protractor model to identify angles.
Right Angles
Learners use book corners, folded paper, and a protractor model to identify angles. Today they use the model to explain angles in their own words.
Right Angles illustration
Learners use book corners, folded paper, and a protractor model to identify angles.
Use a square corner to test whether a classroom corner is a right angle.
- Place the square corner exactly on the point where the two edges meet.
- If both edges line up with the square corner, the angle is a right angle.