3.22
Relate area to the operations of multiplication using real-world problems, concrete materials, mathematical reasoning, and the distributive property.
Khan Academy ResourcesIntro to multiplication: FAQArea: FAQBasic multiplicationFind a missing side length when given area Area of rectanglesArea and the distributive propertyDivision with groups of objectsDecompose figures to find areaUnderstand multiplication using groups of objectsRelate repeated addition to multiplicationUnderstand multiplication with arraysTransition from unit squares to area formulaCompare areas by multiplyingMultiply using groups of objectsMultiply with arraysCompare area and perimeterArea and the distributive propertyComparing areas and perimeters of rectanglesMultiplication as repeated additionProperties and patterns for multiplicationComparing areas of plots of landMeasuring rectangles with different unit squaresMultiplication with arraysMore ways to multiplyVisualizing division with arraysMultiplication as equal groupsFinding missing side when given area

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