Multiplicative comparison describes one whole-number quantity as a specified number of times another, distinguishing the reference quantity, multiplier, and compared quantity; learners solve for any one of these using multiplication or division and represent relationships with equations or bar models. They distinguish “times as many” from additive difference, working with familiar whole-number factors and products; fractional, decimal, ratio, and generalized proportional comparisons are beyond this scope.
A multiplicative comparison tells how many times as much one amount is as another.
“Times as many” means multiply, not add.
Example:
Lena has stickers. Omar has times as many stickers as Lena. How many stickers does Omar have?
Omar has stickers.
You can picture it as three equal groups:
Do not add and . The word times tells you to multiply.
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