Additions to the Math Page (11/2007 - 12/2007)
On the Puzzles page:Two javascript programs about determining the date of Easter
New data to the cost of gifts listed in the 12 Days of Christmas song
On the Problem of the Month page:
Several Problems of the Month
On the Math Poetry page:
Poem about the Klein bottle and Mobius Strip
On the Math Games page:
The Game of NIM
The Dividing Piles game
SOLOMON's game
The game of Nine Men's Morris
The game of Nim with cards
The game of Fifty
The Squares Game
On the Math Tricks page:
Calendar trick #1
An interactive version of Calendar trick #1
Calendar trick #2
An interactive version of Calendar trick #2
The Digit Struck Out trick
An interactive version of the Digit Struck Out trick
An interactive version of MacArthur's Favorite Number Trick
The Mobius Strip activity
A Psychological trick
A number trick
An overhead projector trick
The interactive version of the overhead projector trick
An age trick
The interactive version of the age trick
The 99 trick
The 999 trick
The brothers, sisters, grandparents trick
The Pepper Problem
The Cow Problem
The Quick Addition trick
The Fibonacci Addition trick
The Perfect Fith Power trick
The Squaring a Number Ending in Five trick
The Dime and Penny trick
The Nines Tables trick
The Base 2 trick
Another version of MacArthur's Favorite Number Trick
The 1979 trick
The Roman Numeral trick
The Domino trick
An interactive version of the Domino trick
A Card trick
An interactive version of the Card trick
The Dollar Bill Folding trick
The Lucky Numbers trick
The Printing Press Number trick
The Six Numbers trick
Twenty Objects Trick
Interactive version of the Twenty Objects Trick
Guess a birthday trick
Interactive version of Guess a birthday trick
Favorite Class trick
Repeat Yourself trick
Division trick
some number tricks
Subtraction trick
Interactive version of the Subtraction trick
The 17 trick
Addition trick
Addition trick with Negative Numbers
Card trick with 13 cards of one suit
Card Trick with Aces and Faces
Card Trick with 21 cards
Card Spelling Trick
Card Trick where you cut the deck into 5 piles
3 Piles Card Trick
Guess the Month Trick
the Dictionary Trick
Walk through a hole in the paper Trick