Add 3-Digit and 2-Digit Numbers with Regrouping: Horizontal Addition Worksheet

This add 3-digit and 2-digit numbers with regrouping worksheet consists of tasks to help your young mathematician develop fluency with addition. In each problem, the numbers are laid out in the horizontal format. Students should try to use different strategies involving composing and decomposing numbers to solve these problems. This will help them develop flexibility and fluency.