Mathematics 111/112 Course Materials

Addition and Subtraction of Fractions Age Puzzle Algorithms for Multiplication Altitudes of Triangles Ancient Knot Apples and Oranges Archimedes' Principle El Arco Capaz Area of an Ellipse Areas of Leaves Area of a Parallelogram Areas of Quadrilaterals Areas of Rectangles Areas of Triangles Astronomical Distances Ball in a Box Bananas Base 2 A Base 2 Game Base 5 Arithmetic Borromean Rings Boxes for Chocolate Boxes from Index Cards Building Cones Calendar Dice Car Talk Puzzlers Card Tricks Chambered Nautilus Chords and Tangents of Circles The Circumference and Area of a Circle Circumscribing Quadrilaterals Coloring Maps Common Birthdays Compound Interest Constructing a Regular Pentagon Constructing Square Roots Cootie Catcher Credit Cards Cube and Tetrahedron Cuboctahedron Cylinders and Cones Cylinders from Index Cards Decimal Representation of Rational Numbers Diagonal of a Square Difference of Squares Digits Puzzle Dividing Blocks Divisibility Tests Division and Repeated Subtraction Dodecahedron Doug and Frank Drawing Circles Through Points Drawing Fractals in Geometer's Sketchpad Drawing Regular N-Gons Drawing Triangles Euler's Formula Exterior Angles of a Polygon Fibonacci Numbers A Fibonacci Puzzle Finding Prime Numbers The Flash Mind Reader Fraction Board Fractions of a Circle Grains of Rice The Gravitational Effect of Jupiter Greatest Common Divisors Grocery Shopping A Heart Ornament The Hilbert Hotel How Big is a Google? How Big is a Tyrannosaurus? How to Measure the Value of p Icosahedron Infinitely Many Primes Inscribed and Circumscribed Triangles Instant Insanity Interior Angles of a Polygon International Standard Book Numbers Interpretations of Multiplication Introduction to Geometer's Sketchpad Isometries of the Plane Jigsaw Puzzles from Quadrilaterals Jigsaw Puzzles from Squares Jurassic Park Fractal The Kaprekar Number King Kong Least Common Multiplies Light Years The Lighthouse Problem Lune

A Matchstick Puzzle Mazes Measuring Medians of Triangles The Muddy Children Puzzle Multiplication and Division of Fractions Nautilus Shell The New Mexico Lottery The Number Line Number Puzzles Numbers in Between Octagon Star Octahedron Olympic Rings One Third Ordering of Numbers Origami Hexahedron Origami Octahedron Percents Perimeter and Area Piano Tuning Pitching Pennies Pizza Box Probability I Probability II The Probable Pen in the Cereal Box The Pythagorean Theorem The Pythagorean Theorem II The Pythagorean Theorem à la Garfield The Pythagorean Theorem à la Leonardo A Pythagorean Theorem Puzzle Quarters, Nickels, and Pennies The Radius of the Earth Ratios and Proportions RGB Color Charts Rhombic Dodecahedron Roman Numerals Ruler and Compass Constructions Scientific Notation The Sierpinski Triangle The Sieve of Erastothenes Similar Triangles Skeletal Polyhedra Skeletal Polyhedra II The Sliding Tiles Puzzle Snowflake Soccer Ball Spiral Square Inches Square Money Stars Strip Patterns I Strip Patterns II The Sum of the Angles of a Triangle A Symbol from The Alhambra Tangrams Tessellating Curves A Tessellation that Escher did not Use Tessellations from Rectangles Tessellations from Squares I Tessellations from Squares II Tessellations from Squares III Tessellations from Squares IV Tessellations from Triangles I Tessellations from Triangles II Tessellations of the Plane Tetris Three Congruent Pyramids that Form a Cube Tolerance of Instruments The Towers of Hanoi The Triangle Inequality Triangles Inscribed in a Semicircle Triominoes The Twilight Zone Two Triangles Puzzle Unit Conversions Universal Product Codes Using the TI-108 Calculator Valentine The Volume of Cylinder-Like Shapes The Volume of a Sphere Walking Spiders Water Beaker Puzzles Weight, Volume, and Density What is my Grade? Witches' Hats Video Poker The Yin Yang Symbol Zeno's Paradox

Other Handouts:

• Animal Pictures
• Centimeter Dot Paper
• Comparing Quantities
• Graphics of Some Regular Polygons
• Graphics of Some Triangles
• Graphics of Various Shapes
• 100 by 100 grid
• Inch Dot Paper