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Standards/Math/District of Columbia/3.OA.C.7

3.OA.C.7

3.OA.C Multiply and divide within 100.
3.OA.C.7

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

Khan Academy Resources
Basic multiplicationBasic divisionFind missing divisors and dividends (1-digit division)Represent multiplication on the number lineDivide by 6Divide by 3Divide by 5Multiply by 2Multiply by 10Divide by 8Multiply by 7Find missing factors (1-digit multiplication)Relate repeated addition to multiplicationMultiply by 5 and 10Multiply by 2 and 4Multiply by 3 and 6Divide by 2Multiply by 5Divide by 9Multiply by 3Multiply by 6Multiply by 0 or 1Divide by 1Divide by 7Multiply by 8Divide by 4Multiply by 4Divide by 10Multiply by 9Multiplication as repeated additionMultiplication on the number line
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