Add 6-Digit and 4-Digit Numbers without Regrouping: Missing Numbers Worksheet

This add 6-digit and 4-digit numbers without regrouping worksheet has a set of problems curated to ensure that your child becomes more proficient in addition. 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.