A comprehensive lesson on place value within 1000, focusing on how digits shift when adding or subtracting 1, 10, or 100. Includes a visually-supported quiz designed for special education students to demonstrate their understanding using color-coded HTO charts.

A set of 20 high-impact math problems focusing on addition and subtraction within 100, featuring a unique one-problem-per-page layout to maximize student workspace for drawing, calculating, and explaining.

A comprehensive review of addition and subtraction within 1,000 using the post-unit assessment as a guide.

Students practice mixed addition and subtraction, selecting efficient strategies and writing to explain their mathematical thinking.

Students use number lines as a tool for three-digit subtraction, making efficient jumps of 100, 10, and 1.