- 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.

- Spin-and-Spell
- The Mayflower Compact
- How fast Can You Run?
- Feeling Hot, Hot, Hot!
- Easter Egg Contest
- Magnet Fishing
- Valentine Flower Pots
- Always Say Never Sometimes
- What Do I Want to Know?
- Length of Foot vs. Height
- Haikon Mosaics
- Millennium Inventions
- Pocket Chart
- Potato Latkes
- Personal vs. Country Pride
- Aluminum Boat Contest
- Macaroni Names
- Does Warm Water Rise Too?
- How Long Would It Take?
- Thanksgiving Quilt
- Tall Tales
- Election 2000
- Toothpick Sculptures
- Speech Writing
- Turkey Math
- All About Easter
- Unscramble the Words
- National Olympic Trends
- Halloween Word Search
- Who Is That?
- M&M Fractions
- Discover Pi
- Irish Mobiles
- Distances Traveled
- Still Life
- Moldy Pumpkins
- Building Our Community
- American Anthems
- Discover the Explorers
- How Many Squares?
- Puppets
- Story in a Bag
- Am I a Square?
- Number Relationships
- Leaf Estimation
- Hurricane by David Weisner
- Bottle Flutes
- Tri-Angles
- Egg Volume
- Walk a Mile in Their Boots

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