**Sheri reduces the size of a shell with a Pantograph**

I used the Pantograph to convert the big star to the little
star!

See the IES Java applet for the pantograph.

This pantograph was made by GRAPHICRAFT, Westport, CT and was
purchased at a local art supply store.

See Roxana's enlarging
Bugs Bunny

**Back to** Patterns
in Mathematics

**Sheri
writes 64 using exponents**

**Sheri
solves the quadratic equation x**^{2} - x - 1 = 0

**Sheri
finds the base for Don's age of** **114**_{?}
= 71_{10}

**Sheri**_{
}uses the quadratic formula to find base for Don's age of
114_{?} = 71_{10}

**Sheri
finds the measure of an inscribed angle**

**Sheri
uses binary numerals to make the Magic Number Game cards**

**Sheri
changes the shape of a dog using matrices**

**Sheri
moves a parabola and finds the equation**

**Sheri
finds the ratio of The Volume of a Pyramid / The Volume of a Cube (3 ways)**

**Sheri
works with the sand pendulum**

**Sheri
figures out a rule for The Tower Puzzle**

**Sheri
starts Trig**

**To
other discoveries**

**To order
Don's materials**

Mathman home