Max Maths, Year 5, Learn together, Angles on a straight line (1)

In an engaging lesson from Max Maths for Year 5, students explore the concept of angles on a straight line. The lesson begins with a practical demonstration where Padma, a character in the lesson, uses a ruler to draw a straight line on a blackboard. This line is labelled AB, providing a clear visual reference for the students. This foundational step sets the stage for understanding the linear relationship between angles formed on a straight line.

Building on this, Padma then introduces another line, which she draws extending upwards from the midpoint of line AB. This new line is labelled CD, creating two angles on either side of line CD, with AB as the common base. Through this simple yet effective illustration, students are encouraged to observe and understand the angles that are formed when a straight line is intersected by another line. The visual representation helps students to grasp the concept that the sum of angles on a straight line always adds up to 180 degrees, a fundamental principle in the study of angles and geometry.