Solve Multiplicative Comparison Problems with Large Numbers

Open Ended

Explain why it is important to use multiplication instead of addition when making a multiplicative comparison.

Multiple Choice

Which of the following best describes a multiplicative comparison?

• Comparing two quantities by adding a certain amount

• Comparing two quantities by multiplying one amount to get the other

• Comparing two quantities by subtracting one from the other

• Comparing two quantities by dividing one by the other

Multiple Select

Which of the following are types of unknowns you might solve for in a multiplicative comparison problem?

• Larger amount

• Smaller amount

• Multiplier

• All of the above

Fill in the Blank

Lin read 7 books. Diego read 8 times as many books. How many books did Diego read? 7 = ___

Open Ended

Do you have any questions about multiplicative comparison or how diagrams can help?