MA19.3.3

Mathematics (2019) Grade(s): 3

MA19.3.3

Solve word situations using multiplication and division within 100 involving equal groups, arrays, and measurement quantities; represent the situation using models, drawings, and equations with a symbol for the unknown number.

Unpacked Content

Knowledge

Students know:
  • Multiplication situations can be related to division contexts by identifying the total number of groups and the number of items in a group.
  • Strategies to solve problems involving multiplication and division.

Skills

Students are able to:
  • Use models, drawings, and equations to represent a multiplication or division situation.
  • Use symbols to represent unknownquantities in equations.
  • Solve word situations with multiplication and division within 100 involving equal groups, arrays, and measurement quantities.

Understanding

Students understand that:
  • a word problem with an unknown product is a multiplication problem, and a word problem with an unknown number of groups or an unknown group size can be thought of as a division problem or a multiplication problem with an unknown factor.

Vocabulary

  • Equal groups
  • Arrays
  • Measurement division
  • Factor
  • Product
  • Quotient
  • Partitive division
  • Represent
  • Unknown
ALSDE LOGO