Trail Jump Worksheet
A subtraction worksheet using the adding-up strategy on open number lines, featuring three multi-digit problems with visual scaffolding and a hiking-themed design. Revised to include the 947-182 problem.
Trail Trek Worksheet
A second subtraction worksheet featuring 5 computation problems and 3 word problems, all utilizing the 'adding up' strategy on labeled open number lines. Designed with a consistent hiking theme to provide additional practice for 4th-grade students.
Trail Jump Answer Key
An updated answer key for the Trail Jump Worksheet featuring solutions for all three problems (including 947-182) with visual jump paths and teaching tips.
Trail Trek Answer Key
A corresponding teacher answer key for the Trail Trek Worksheet, featuring step-by-step visual jump paths for the computation problems and clear solutions for the word problems.
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.
Mountain Peak Mat
A specialized "mat" for the challenge problem 947-182, featuring a large open number line, a step-by-step checklist, and dedicated calculation space to support 4th-grade Special Education students.
Mountain Peak Answer Key
A dedicated teacher answer key for the Mountain Peak Mat (947-182), featuring a visual jump path, color-coded addition scaffolding, and instructional tips.