Mathematics (2019) Grade(s): 3

MA19.3.4

Determine the unknown whole number in a multiplication or division equation relating three whole numbers.

Unpacked Content

Knowledge

Students know:
  • how to use the meaning of multiplication and division and the relationship between the two operations to determine an unknown number in a given equation.

Skills

Students are able to:
  • Relate three whole numbers to determine the unknown factor in a multiplication equation.
  • Relate three whole numbers to determine the unknown whole number in a division equation.

Understanding

Students understand that:
  • the unknown number in a multiplication or division equation is the number that makes the equation true.

Vocabulary

  • Unknown
  • Multiplication
  • Division
  • Divisor
  • Dividend
  • Equation
  • Product
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