This is a two-day Smart Board lesson that pertains to Adding and Subtracting Multi-Digit Whole Numbers With Missing Digits (Within 1,000,000). These problems require slightly higher-level thinking and reasoning abilities and are rumored to be a problem type on the Smarter Balanced and PARCC assessments.
The lesson includes three addition and three subtraction problems that the teacher should model for the students, three addition and three subtraction problems that should be done for guided pr