3.OA.A.4
Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 _ ? = 48, 5 = _ Ö 3, 6 _ 6 = ?
3.OA.B.6
Understand division as an unknown-factor problem. For example, find 32 Ö 8 by finding the number that makes 32 when multiplied by 8.