LOVE THIS!!! This is a set of 3 worksheets. Each worksheet contains 5 equations of subtracting from 100. Each equation has an open number line to use as a strategy. At the end of each worksheet, students will complete a word or story problem involving subtracting using place value from 100.
Mental Math Strategies for Addition and Subtraction (Common Core) from Purposeful Teaching on TeachersNotebook.com (2 pages) - This poster visually explains the Decomposing Strategy, Branching Strategy (or "Pull Down" Method), Partial Sums Strategy, and Open Number Line Strategy (or "Jump Up" Method) used in teaching Mental Math Strategies.