Night Eyes

Act 1

1. How many eyes will there be on day 25?

2. Write down a guess.

Act 2

3. What information would be useful to figure this out?

4. Write down some questions you have in your head right now.

Here is a picture of the first 3 days next to each other.

Act 3

Sequel

5. Write a formula to describe this situation.

Standards

Common Core

• HSF.BF.A.2 - Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms.

TEKS

• A.12(D) - write a formula for the nth term of arithmetic and geometric sequences, given the value of several of their terms