You will need toothpicks for this activity. Have students make the diagram shown below using 24 toothpicks. The challenge is to have them remove 4 toothpicks to change the figure from 9 congruent squares to 5 congruent squares.

Here's the solution:

- A Different Perspective
- Sun Full of Earths
- Witch Category Game
- Describe It
- Thanksgiving Dinner
- Order by Birthdays
- News Around the World
- Turkey - The Official Bird?
- I’ve Learned That...
- Monrovia
- Say More With Less
- Columbus Quote
- Parts of Speech
- Birthday Math
- Lucky Signs
- Replicate the Design
- Turkey Eaters at Thanksgiving
- Bean Estimation
- Springtime Is
- "Eggcelent"
- Word Problem Practice
- A to Z Animals
- Trapezoid Volume
- Context Clues 1
- Using A Compass
- Objects in the Room
- Place Value with Calculators
- Circumference of Student Circle
- Celebrate El Cinco
- How Many Shakes?
- Most Popular Color
- Complete the Patterns
- How Many Employees?
- Pumpkin Seeds
- Number of Turkeys
- What Could It Be?
- Candy Graph
- The Missing Dollar
- Parade of Nations
- A to Z Names
- "If" Response
- Remember the Jack-O-Lantern
- Wolf, Goat, and Cabbage
- Where is Sydney?
- Pennies by Date
- Who Celebrates First?
- Columbus Voyage Journal
- News Story Comparison
- Size of a Quarter
- The Perfect Gift