Video 1: Number Forms: Standard, Expanded, and Word
Video 2: How to Say Numbers in the Hundreds
Video 3: Adding Double-Digit and Single-Digit Numbers (no carrying)
Video 4: Addition with Regrouping
Video 5: Column Addition Rhyme for Addition with Regrouping
Video 6: Using Montessori Number Cards to Understand Place Value and Add
Video 7: How to Insert Commas in Large Numbers and How to Say Large Numbers (Billions)
Video 8: Subtraction with Regrouping (Standard Algorithm)
Video 9: Addition Wrap-Ups to Learn Addition Facts
Video 10: Horizontal Addition to Column (Vertical) Addition
Video 11: Decompose to Add!
Video 12: Adding Large Numbers and Regrouping
