One More or One Less within 10: Horizontal Addition and Subtraction Worksheet

Students understand that more suggests addition and less suggests subtraction. Therefore, they add or subtract to find one more or one less within 10 in this worksheet. In this worksheet, students practice solving problems written in the horizontal format. How numbers are laid out in a problem affects the method a student employs to solve it. Therefore to develop actual fluency and mastery of multiple strategies, students must practice different formats.