Jump Up Slides
A slide deck introducing the "adding up" strategy for subtraction using open number lines, with step-by-step instructions and a guided practice example. Includes a special reveal slide showing the jumps for the 947-182 problem.
A slide deck introducing the "adding up" strategy for subtraction using open number lines, with step-by-step instructions and a guided practice example. Includes a special reveal slide showing the jumps for the 947-182 problem.