[Fall] Simple and Compound Interest

Each activity is a self-checking Google Sheet. Students practice a series of problems, and get immediate feedback as they go. Correct answers turn green and incorrect answers stay red. As students type in correct answers, a mystery picture appears. The Google Sheets are all self checking & digital, so it can easily be assigned through Google Classroom or any online learning platform.

There's no prep required. This is great for virtual or in person learning!

What’s included?

There's 2 pixel art Google Sheets, a formula sheet, and an answer key for reference:

1. Two Google Sheets (24 problems total)

• Google Sheet #1: simple interest (calculate interest earned and ending balance)

• Google Sheet #2: compound interest (calculate ending balance for interest that compounds annually, semiannually, and quarterly)

2. Formula Sheet (simple and compound interest)

3. Answer key and directions

The Google Sheets can be assigned separately or both at once since each contains distinct questions and pixel images.

What's the math?

The math includes the following formulas. There's an included formula sheet reviewing them:

• Simple interest earned = P r t

• Simple interest ending balance = P (1 + rt)

• Compound interest ending balance = P (1 + r/n)^nt