Add and Subtract 4-Digit and 3-Digit Numbers without Regrouping: Horizontal Addition and Subtraction Worksheet

Children use their math skills to complete this add and subtract 4-digit and 3-digit numbers without regrouping worksheet. The opposite operation to addition is subtraction and vice versa. In this worksheet, students apply this relationship and their knowledge of basic addition and subtraction facts to add and subtract 4-digit and 3-digit numbers without regrouping.