Grade 9 Mathematics
Videos are listed chronologically by date added, beginning with the most recent
Teaching for Numeracy
Series: Teaching and Learning
This video shows educators how to encourage students to learn and develop their numeracy skills. The activities are designed with a clear purpose, helping students to explore and think for themselves, show strategies and gain understanding. Opportunities are presented for students to share their ...
Naming and Measuring Angles
Key concepts of angles are introduced such as defining and writing information about an angle, mathematical notation for rays, line segments and lines. Other topics introduced include obtuse angles, acute angles and congruent angles.
A teen girl creates a mobile to hang above a baby's crib by using the following: bisecting an angle, perpendicular bisector of a line, construct a triangle, determine the centre of gravity, determine the inscribed circle of a triangle and determine the circumcircle of a triangle.
Of Dice and Men
This animated program introduces the theory of probability. Viewers learn of its inception in the 17th century to settle a dispute over a game of dice, its relationship to predictability and its application to everyday situations - like the chances of being involved in an accident.