Final answer:
The technique that allows a project team to divide project work into actionable portions is called work breakdown structure (WBS).
Step-by-step explanation:
The technique that allows a project team to determine how best to divide project work into actionable portions is called work breakdown structure (WBS). WBS is a hierarchical breakdown of the project deliverables and work packages that need to be completed. It breaks down the project into smaller, manageable tasks, allowing the team to understand the scope of work and allocate resources effectively.