Creative Projects for K-8
Index of Lessons
Choose From List
"3N+1" Problem
A puzzle with 1089
Addition Board
Addition in kindergarten and first grade
An old merchant and his four children
Ancient Knot
Animations on the TI
Areas and Borders
Area & Perimeter
Average test grade
Ball in a Box
Banana
Barrels, Casks and Other Curvy Containers
Big numbers AKA Grains of rice on a chess board
Building a scale-model doghouse
Candles
Candy Baskets
Capacity
Chambered Nautilus
Checking if a number is a prime number
Chinese Calendar Box
Chords in a circle
Circle, Square, and Triangle
Clocks and Time
Coins
Colorful Triangles
Congruent Triangles
Counting board for young learners
Counting to 100
Creasing Paper Along Curves
Cubes
Cube with One Edge Sliced Off
Cuisinaire Strips
Cutting a rectangle
Cutting a triangle
Cutting Polyhedra
Diagonal of a Square
Dividing a square
Dogs, Cats, and Mice
Dot-to-Dot
Drawing Triangles
Easy Squares
Egg Dilemma (Part 1)
Fancy Envelopes
Five-pointed 3D Star
Four Bugs
Four Cubes
From One Billion to Zero
From one to one trillion
Game of Circles and Stars
Game of tens
Giant Enchilada
Halloween Hat
Heads or tails?
Hexagonal Puzzle
How to measure an angle without a protractor
How to transform a rectangle to a different rectangle
Hyperbolas & Ellipses
Inscribed Triangle
Interest
Julekurv AKA Valentine Basket
Kites
Leaky Roof
Long-eared critters
Magic Beans
Magic Folding Cube
Magic Square
Making Animals by Cutting Polygon Puzzles
Making Blocks From Four Cubes
Making Boxes
Making an Involute
Maze
Mini Slot Machine
More dot-to-dot tasks
Multiplications "Done according to Adam Ries"
Number Game with Dice
One Third
Paradox of averages
Partitoning A Square
Pentagon Puzzles
Phone number algebra
Piggybank
Powerball 55
Pretty Gift Box
Pumpkins
Puzzle with pebbles
Pyramid into fourths
Pyramid of Cubes
Pyramid of Marbles
Quadrilaterals
Regular Polygons with Equal Areas
Related problems
Right triangle
Sequences of composite numbers: A contest
Six Pyramids
Sixteen Square Inches
Solomon's Seal
Sorting game
Spiral (grades K-4)
Spirial (grades 5-8)
Square and cubic units
Square in a Triangle
Straw Polyhedra
Subtraction Algorithm
Subtraction Counters
Survivor on a Hexagonal Island
Tatami
Tea Boxes
Temperature Conversions
Tessellating a Circle
“The Laughing Cow” Cheese Wedge Containers
The Practical Value of Proofs
Three fourths
Three-Piece Circle Puzzle
Tossing One Die
Triangle to square: A hinged dissection
Turning a rectangle into a square by dissection
Twelve easy pieces
Twenty-four Cubes
Two Shepherd Brothers
Understanding Long Division
Unusual Containers
What next?
What rectangle is this?
Yin Yang
Return to Math
Authors' Notes
or
Choose From List
A Look at Math
Coordinating abstract, physical, and computational aspects of algebra in a single lesson
Equity and Quality in Mathematics Education
Proofs
The Language of Algebra
Main index of Author's Notes
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Mathematics Education Institute March 16-19, 2002
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ast modified: August 20, 2009