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Showing 12 of 23 lesson plans
Cracking the Code: Understanding 'Carrying' in Addition!
Based on: Adding: why carrying works | Addition and subtraction | Arithmetic | Khan Academy
Adding Three-Digit Numbers with Regrouping: Become a Math Master!
Based on: Adding three digit numbers with regrouping | Addition and subtraction | Arithmetic | Khan Academy
Subtraction Strategies: Cracking the Code of 3-Digit Numbers!
Based on: Methods for subracting 3 digit numbers
Adding Three-Digit Numbers with Regrouping
Based on: Adding three-digit numbers | Addition and subtraction | Arithmetic | Khan Academy
Borrowing Buddies: Mastering 3-Digit Subtraction with Regrouping!
Based on: Subtracting: three digit numbers and basic regrouping | Arithmetic | Khan Academy
Breaking Apart Numbers to Subtract: A Fun Way to Solve Problems!
Based on: Subtraction by breaking apart
Making Addition Easier: Rounding Numbers to Add
Based on: Addition using groups of 10 and 100 | 2nd grade | Khan Academy
Cracking the Code: Breaking Apart 3-Digit Addition!
Based on: Breaking apart 3-digit addition problems | 2nd grade | Khan Academy
Conquering Subtraction with Zeroes: Regrouping Like a Pro!
Based on: Subtracting: Regrouping from zero | Addition and subtraction | Arithmetic | Khan Academy
Perimeter Puzzles: Finding Missing Sides!
Based on: Finding perimeter when a side length is missing | Math | 3rd grade | Khan Academy
Perimeter Puzzle: Cracking the Missing Side Code!
Based on: Finding missing side length when given perimeter | Math | 3rd grade | Khan Academy
Borrowing from Our Neighbors: Mastering 3-Digit Subtraction with Regrouping
Based on: Subtracting: three digit numbers and regrouping | Arithmetic | Khan Academy