<p>Worksheet with practice questions for calculating total resistance for combinations of resistors in series and parallel. The worksheet gets progressively harder.</p>

<p>Lens diagram sheets on squared paper for students to practice drawing. 3 sheets; convex real images, convex virtual images and concave images (5 diagrams on each). Includes a key terminology table for students to describe their images using the correct key words. Also includes common “trip-ups”, e.g. object on the other side of the lens, providing only 2f, object bigger than the lens.</p>