A visually-supported quiz for demonstrating understanding of place value shifts, featuring large HTO charts, clear scoring areas, and specialized formatting for special education students.

A comprehensive teacher answer key for the Digit Shift Quiz, featuring scoring guides, point breakdowns, and suggested SPED accommodations for classroom assessment.

A visual slide deck introducing the concept of place value shifting when adding or subtracting 1, 10, or 100, featuring color-coded HTO diagrams and animations.

A comprehensive 80-minute pacing guide for the Unit Post-Assessment. Includes blocks for independent testing and collaborative reflection/analysis. Consolidated to fit on one page.

A quick check for understanding for Lessons 17 & 18 (Strategy Squad). Students choose their preferred strategy to solve a complex subtraction problem and justify their choice. Features two lines for writing.

An 80-minute instructional guide for Lessons 17 & 18 (Strategy Squad). Focuses on selecting efficient strategies and justifying mathematical thinking. Consolidated for efficient one-page printing.

A quick check for understanding for Lesson 15 (Path to Difference). Students solve a subtraction problem using an open number line. Features clear labels and high-contrast work areas.