## Saving Data Crunch

### MATH: Two Ways to Double Your Savings

In this activity, students will be able to:

• Calculate how long it takes to double a savings balance using logarithms and the Rule of 72
• Input values into the compound interest equation
• Use logarithms to solve for a variable in an exponent
• Apply the change of base rule for logarithms

Source: NGPF

### MATH: Compound Interest in Savings Accounts

In this activity, students will be able to:

• Use the compound interest formula to evaluate how savings balances will grow over time
• Explore exponential growth

Source: NGPF

### DATA CRUNCH: How Would Americans Cover a \$400 Emergency?

In this activity, students will be able to:

• Analyze a bar graph of the percentage of people who would cover an emergency expense using different payment methods

Source: The Federal Reserve

### DATA CRUNCH: What Is the U.S. Savings Rate?

In this activity, students will be able to:

• Analyze a line graph of the saving rate over time

Source: US Bureau of Economic Analysis