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

Students apply expanded notation strategies to solve complex subtraction problems involving zeros in the minuend.