- 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.

- Matching Animals To Their Names
- Oil Pastel Fruit
- Know Your Presidents
- Rhyming Match
- Scattergories
- Word Association
- West African Tale
- How Far is Sydney?
- What’s Your Valentine Worth?
- New Year’s Resolutions
- M&M Fractions
- Different Perspectives on Columbus
- Egg Volume
- National Olympic Trends
- What Do You Picture
- Bumper Stickers
- Personal vs. Country Pride
- Discover the Explorers
- Record a Story
- Always Say Never Sometimes
- Round vs. Flat
- Tile Probability
- Famous Places Wall
- Pumpkin Puffs
- Current Happenings in Science
- Early Division
- Depict an Event
- Discover Pi
- How Much Does Your Name Weigh?
- Alphabetizing Mania!
- The Great Wall of China
- The Medal Winners
- Does Warm Water Rise Too?
- Bring Your Own Tale
- Observe An Inchworm
- How Does Soap Affect Bubbles?
- How Much is 2000, Anyway?
- Spring Into Science
- The Real Reason
- Crossword Trivia
- Picture Poems
- Fact and Opinion
- Totem Pole
- U.S. Percentages
- Base10 Blocks
- Number Relationships
- Division with Models
- Political Debate about Celebration of Columbus Day
- Thanksgiving Dinner
- The Heart of the Matter

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