Mathematics (2019) Grade(s): 4

MA19.4.1

Interpret and write equations for multiplicative comparisons.

Unpacked Content

Knowledge

Students know:
  • How to write an equation to represent a word situation.
  • Which quantity is being multiplied and which factor is telling how many times.
  • Varied language that describes multiplicative comparisons.

Skills

Students are able to:
  • Interpret equations for multiplicative comparisons.
  • Write equations for multiplicative comparisons.

Understanding

Students understand that:
  • Multiplicative comparisons relate the size of two quantities and a scale factor.
  • Factors in multiplication problems have different roles from each other in the context of comparison problems.
  • Explanations and drawings show ways multiplicative comparisons are similar to and different from equal groups and arrays.

Vocabulary

  • Multiplicative comparison
  • Multiplier
  • Equation
  • Times as many
  • Times as much
  • Verbal statement
  • Factor
  • Product
  • Quantity
  • Multiple
  • Scale factor

Aligned Learning Resources

Comparing Amounts
The Food Drive
Picture This!
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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