To watch a video on the Area Model,
To watch a video on the Place Value Model,
To watch a video on the Expanded Notation Model,
To watch a video on the Algebraic Notation Model,
To watch a video on the Shortcut (Algorithm),
To watch a video on double digit by double digit,
To watch a video on estimating when multiplying,
To watch a video on the Place Value Model,
To watch a video on the Expanded Notation Model,
To watch a video on the Algebraic Notation Model,
To watch a video on the Shortcut (Algorithm),
To watch a video on double digit by double digit,
To watch a video on estimating when multiplying,