Total estimate (points) / velocity = number of sprintsĮ.g. Now that we have our velocity, we may want to turn that into a time estimate. of sprintsģ0, 40, 50, 60, 70 = 250 points / 5 sprints = velocity of 50 points If not, the SM will compare the number of points planned against team velocity. If this is the first sprint the DT have undertaken they will probably agree to start with what they have. Now the SM will check to see how many story points have been planned. This process will be repeated with the next story on the product backlog, and then the next, and so on until the DT believe they have enough work to fill the sprint. It may require another round or two of poker, but eventually consensus will be reached on size as members of the DT persuade each other with constructive reasoning. If the DT don’t have consensus on the size of the story, further important discussion will ensue, facilitated by the SM. They will do so simultaneously so as not to be influenced by any other member of the team. The SM will ask the DT to decide individually the size of the story being discussed, and the DT will hold up the card representing that number of story points. In later sprints, perhaps more appropriately, they may look back at stories already completed and find one with a size they now know to be accurate. In sprint one, the SM may ask them to find an average size story on the product backlog. To begin, the DT find a benchmark to relatively size each new story against. In this way it may be possible for anyone in the DT to pick up any story during the sprint. Sizing with planning poker helps to ensure that everyone’s voice is heard, and that all opinions are taken into account, not just those of the team lead or architect. The DT will be a group made up of people with different levels of experience, knowledge and skill. Once they think they have this, the SM will provide them with planning poker cards and the act of sizing will begin. The team will ask questions of the PO and of each other in order to gain a shared understanding of the story.
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