Innovative
Classroom

Center Focus

How Many Squares?

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

More Center Focus Ideas

Persuasive Essay About "Millennium"
Monster Math
Turkey Math
Discover Music
Hieroglyphics
Non-fiction Poetry
Distances Traveled
Observe An Inchworm
Inclined to Slide
Potato Latkes
Olympic Rings
Broken Ruler
Always Say Never Sometimes
Dice Probability
What Do I Want to Know?
What’s Your Valentine Worth?
Cinderella, Cinderella
Poetry vs. Prose
Back to Back
Spin-and-Spell
Inching Along
U.S. Percentages
Toothpick Sculptures
Round vs. Flat
Valentine Placemats
Beast Feast
Pumpkin Volumes
Bumper Stickers
Macaroni Names
Author Spotlight
Patron Saint of Lovers
The Real Reason
Irish Mobiles
Scariest Jack-O-Lantern Contest
Count Pine Cone Scales
Discoverer of America?
Fact and Opinion
Magnet Fishing
Personal vs. Country Pride
How Much Does Your Name Weigh?
Word Association
The Scariest Thing
How Many Squares?
Mini-Parade
Discovering the Area of Triangles
All About Columbus
New Year’s Resolutions
Create a Collage
Favorite Olympic Athlete
Letter of Apology