Refreshed and updated PowerPoint resources aimed at assisting teachers with the delivery of the CAIE (9609) A-level Business specification. These slides are designed to support the delivery of 9.3.5 Operations Planning. The presentation starts with an examination of the need for planning operations and how network diagrams are employed by business.  It then looks at the main elements of network diagrams, including activities, dummy activities and nodes.  Next it shows how networks can be used in critical path analysis (CPA), and analyses how this can be used to calculate the minimum duration time of a project, its critical path activites, total and free float, and how the results of network analysis are of value to a business in reaching decisions.  It concludes with an assessment of the benefits and drawbacks of CPA as a management tool. The slides contain the Quick Fire Five questions and also a practice essay (both with solutions).