3.OA.A.4 Worksheets: Missing Factors
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3.OA.A.4 (Operations and Algebraic Thinking): Find the unknown number in a multiplication or division equation.
About this standard
Third graders find an unknown number in any position of a multiplication or division equation, as in 8 × ? = 48, 5 = ? ÷ 3 or 6 × 6 = ?. Reading the blank as a question ("what times 8 is 48?") is the key move. Practice the multiplication side in Missing Factors: Find the Unknown Number and the division side in Division Facts: Find the Missing Number; the related idea of division as an unknown factor is at 3.OA.B.6.
