Understanding Percent Change

Reason Abstractly and Quantitatively

Opening

Reason Abstractly and Quantitatively

In this activity, there are four amounts of money and a set of arrows with different percent increases or percent decreases. Your job will be to place the arrows with the correct increase and decrease between each stack of money.

Discuss the following with your classmates.

  • Can you find two dollar amounts that have a 25% increase between them?
  • Do you think you'll be able to find the correct increase and decrease values for each arrow on the money board?