NC.3.OA.1.b
Illustrate and explain strategies including arrays, repeated addition, decomposing a factor, and applying the commutative and associative properties.
Khan Academy ResourcesIntro to multiplication: FAQMore with multiplication and division: FAQBasic multiplicationMultiply by tensUse associative property to multiply 2-digit numbers by 1-digitFind a missing side length when given area Understand the commutative property of multiplicationArea of rectanglesDivision with groups of objectsUnderstand multiplication using groups of objectsRelate repeated addition to multiplicationUnderstand multiplication with arraysUnderstand associative property of multiplicationAssociative property of multiplicationCommutative property of multiplicationMultiply using groups of objectsRepresent the commutative property of multiplicationMultiply by tens word problemsMultiply with arraysProperties of multiplicationAssociative property of multiplicationMultiplication as repeated additionProperties and patterns for multiplicationCommutative property of multiplicationMultiplying by multiples of 10Multiplication with arraysUsing associative property to simplify multiplicationMore ways to multiplyVisualizing division with arraysMultiplication as equal groupsIntroduction to multiplicationFinding missing side when given area

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