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Dixon Elementary, Mobile County Public School System
This video shows students how to regroup in addition and subtraction. The phrase, "bigger bottom better regroup" is used for subtraction. There are "now you try" problems included. This video could be used after the concept is taught and students have had time to practice.
Content Areas: Math
Alabama Course of Study Alignments and/or Professional Development Standard Alignments:
[MA2010] (2) 1: Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Appendix A, Table 1.) [2-OA1]
[MA2010] (2) 9: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. [2-NBT5]