Use course tools>>Virtual Classroom>>Use whiteboard tools
You can draw lines, click and drag to draw a variety of shapes, or draw freehand, following these steps:
(Optional) Select Line Width from the Whiteboard menu to select a line width for the shape you are going to draw.
(Optional) Select a color for your freehand drawing.
Click the pencil drawing tool on the whiteboard toolbar.
Click and drag the pencil to create your shape. Release the mouse to stop drawing.