4.N.2.2
Multiply 3-digit by 1-digit and 2-digit by 2-digit whole numbers, using various strategies, including but not limited to standard algorithms.
Example Problems
Multiply:
Multiply:
Multiply:
Khan Academy ResourcesMultiply without regroupingMultiply with regroupingMultiply 2-digit numbersMultiply using partial productsMultiply by taking out factors of 10Multiply 2-digits by 1-digit with area modelsMultiply 2-digit numbers with area modelsMultiply with partial products (2-digit numbers)Multiplying 10sMultiply 3- and 4-digits by 1-digit with area modelsMultiply 3- and 4-digits by 1-digit with distributive propertyMultiply 2-digits by 1-digit with distributive propertyIntro to standard way of multiplying multi-digit numbersMultiplying with area model: 78 x 65Understanding the standard algorithm for multiplicationMultiplying two 2-digit numbers using partial productsMultiplying 3-digit by 1-digit (regrouping)Multiplying 3-digit by 1-digitMultiplying with area model: 16 x 27Multiplying 10sMultiplying 2-digit numbers
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