- You will need grid paper and rulers for this activity.
- Have your kids draw a rectangle on the grid paper and draw a straight line diagonally from corner to corner.
- Have them find how many squares the line passed through.
- Instruct them to draw several other rectangles of differing sizes and find the number of squares that a diagonal line passes through for each.
- They should be able to come up with a system that will work with any size rectangle.

- Number Relationships
- Matching Animals To Their Names
- Tile Probability
- Hieroglyphics
- How Many Squares?
- Sequences
- Take for Granted
- Spaghetti vs. Macaroni
- All About Easter
- Know Your Presidents
- "A Busy Year" Art
- Current Happenings in Science
- Situational Conversations
- Melting Ice
- The Pumpkin
- Discover Pi
- Historical Trivia
- The Mayflower Compact
- "Thanksgiving" Poem
- Poetry vs. Prose
- Travel Brochure
- Observe An Inchworm
- Sand Separation
- Shapes and Angles
- Beast Feast
- Back to Back
- Area and Perimeter of Olympic Rings
- Picture Poems
- Favorite Olympic Athlete
- Picture Frames
- Cinderella, Cinderella
- Discover the Explorers
- Make Your Own Collage
- Tack Probability
- Depict an Event
- What Comes First?
- Base10 Blocks
- Feeling Hot, Hot, Hot!
- Broken Ruler
- The Medal Winners
- A Family Quilt
- Anthropomorphism
- Spinner Probability
- Columbus Portraits
- Millennium Inventions
- Valentine Placemats
- Literature Response
- U.S. Percentages
- Record a Story
- Ice Insulation

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