Students use number lines as a tool for three-digit subtraction, making efficient jumps of 100, 10, and 1.
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 apply expanded notation strategies to solve complex subtraction problems involving zeros in the minuend.
