MA19.4.2

Mathematics (2019) Grade(s): 4

MA19.4.2

Solve word problems involving multiplicative comparison using drawings and write equations to represent the problem, using a symbol for the unknown number.

Unpacked Content

Knowledge

Students know:
  • how to find products and quotients.
  • Recognize situations represented by multiplicative comparison.
  • Distinguish between multiplicative comparison and additive comparison.

Skills

Students are able to:
  • Solve word problems involving multiplicative comparison.
  • Write equations using a symbol for the unknown to represent word problems involving multiplicative comparison.
  • Use drawings to represent the word situation involving multiplicative comparison.

Understanding

Students understand that:
  • additive comparison focuses on the difference between two quantities and multiplicative comparison focuses on one quantity being some number times larger than another.

Vocabulary

  • Multiplicative comparison
  • Times as many
  • Product
  • Factor
  • Multiplication
  • Equation
  • Symbol
  • Additive comparison
  • Tape diagram
  • Unknown

Aligned Learning Resources

Musical Math
Phoneme Fun Finale: Deleting Phonemes in Initial Blends
Phoneme Fun Part 1: Deleting Phonemes in Initial Blends
Pros and Cons of Voting Methods - Exit Ticket
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