- Prepare a chart showing different possible choices for assembling a sandwich; for example, list three different kinds of breads, such as: wheat, rye, sourdough. Also have different selections for cheeses and meats.
- Have your students figure out how many different possible sandwiches there are. You should use more choices for more advanced students.
- They should write out all of the different ways that one can make a sandwich, i.e. wheat, provolone cheese, salami.
- After students have written down all of the combinations, have them total them up and see if they can make any connections between the number of choices and the total number of combinations possible. They should come to the conclusion that you multiply the number of choices in each category by each other. For example if you had 3 selections of bread, cheese, and meat, the total number of combinations would be 3^3, or 27.

- Where Did the Easter Bunny Come From?
- If the Earth Were Flat
- Sand Painting
- Complete the Story
- What Do You Picture
- How fast Can You Run?
- Student Editorial
- The Wall
- Building Our Community
- Animal Alphabetizing
- What Adds Up to 10?
- How Many Classrooms Fit?
- The Great Wall of China
- Sand Separation
- Travel Brochure
- All Kinds of Genres
- The Mayflower Compact
- Picture Replicas
- Personal vs. Country Pride
- Determining Density
- Crossword Trivia
- Pumpkin Volumes
- Sleepy Hollow
- How Long Would It Take?
- Record a Story
- Food For Thought
- The Scariest Thing
- Alphabetizing Objects
- To Float or Not To Float
- Popping Popcorn
- Hand Sculpture
- What’s My Name Worth?
- Historical Perspective
- What Happens to the Paper?
- The Gymnastics Incident
- Distances Traveled
- Inch By Inch Map
- National Olympic Trends
- Story in a Bag
- Time Capsule Diorama
- What Weighs More?
- Volume Conversions
- Combinations
- Jacks
- American Anthems
- Author Spotlight
- Halloween Word Search
- Krypto
- Melting Ice
- Thanksgiving Quilt

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