## Act 1

1. How many cookies will fit?

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.

## Act 3

## Sequel

5. What would happen if the spacing between cookies was only 1 inch?

6. What would happen if the cookies had a side length of 2 inches?

**Common Core Standards**

3.MD.C

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

**TEKS**

4.5(D)

solve problems related to perimeter and area of rectangles where dimensions are whole numbers

Advertisements

Okay – this is so very REAL WORLD MATH. Love this lesson – using it with home schooled families in my Charter – Visions in Education. Sacramento California

Thanks so much for the kind words! I really appreciate it. Let me know how it goes. I’d be interested in seeing the kids’ thought processes.

Why wouldn’t it be 12? Doesn’t it have to be 2 inches from the sides of the pan as well or just the cookies?

Good point, Ryan! Looks like I didn’t factor that in with the sides that don’t have folded edges. I guess that could lead to a conversation with the students. Did the guy follow the directions correctly? Maybe they could make a case for why it should be 12 instead. Thanks for the comment!