3.GM.6
Find the area of a rectangle with whole number side lengths by modeling with unit squares and multiplying the side lengths to show the results are the same.
Khan Academy ResourcesArea: FAQArea of rectangles reviewFind a missing side length when given area Area of rectanglesArea and the distributive propertyArea of rectangles with partial arraysDecompose figures to find areaTransition from unit squares to area formulaUnderstand decomposing figures to find areaCompare areas by multiplyingCreate rectangles with a given areaCompare area and perimeterArea and the distributive propertyComparing areas and perimeters of rectanglesDecomposing shapes to find area: subtractComparing areas of plots of landMeasuring rectangles with different unit squaresCreating rectangles with a given area 2Creating rectangles with a given area 1 Counting unit squares to find area formulaDecomposing shapes to find area: grids Decomposing shapes to find area: addFinding missing side when given areaTransitioning from unit squares to area formula

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