COUNTING AND BASES
  Learn the Sounds of Counting
   * Counting toys

  BASE 10 - Human hands & fingers
   * Counting marbles
   * Counting marbles - A little faster!
   * Counting linking blocks
   * Counting linking blocks - A little faster!
   * Counting grams - A little faster!
   * Making 5's, 10's, 15's and 20's
   * The American Money Pieces
   * Counting pennies ($) - Normal Speed
   * Counting pennies ($) - A Little Faster
   * Counting pennies ($) - At the Gas Pump
   * Measuring Monetary Value Using Coins and Bills - The PLAY STORE
   * Counting fractions in Base-10 (decimal fractions)
   * Counting fractions in Base-10 (decimal fractions) - A little faster! 

  COUNTING PRACTICE
   *  Identify Numbers by Their Expanded Form - Which Number is This?
   *  Skip Counting 
   *  Skip Counting & Times Tables 
   *  Adding Base-10 Numbers Using Their Place Values-Traditional Right-to-Left 
   *  Adding Base-10 Numbers Using Their Place Values- Mental Left-to-Right  
   *  Subtracting Base-10 Numbers Using Their Place Values

   BASES USED IN ELECTRONIC DIGITAL COMPUTING
   * Base-2, Binary "Ripple" counting
   * Base-2, Binary "Ripple" counting - A little faster!
   * Consruct binary numbers
   * Adding and Subtracting Base-2, Binary Numbers
   * Multiplyimg Base-2, Binary Numbers
   * Binary coded Octal - Base-8 (Base 2, read in groups of 3 bits in digital telecommunications)
   * Binary coded Hexadecimal - Base-16 (Base 2, read in groups of 4 bits to describe memory contents)
   * Base-2, Representing Fractions - Binary-Point-8 Scale
   * Base-2, Representing Fractions - Binary-Point-8 Scale - A little faster!
   * Converting analog decimal to digital binary measurement

   OTHER BASES
   * Base-5, used mostly in math classes in school
   * Base-60 - Used some 3,700 years ago in a region called Babylon (today's Irak)

  COMPARING BASES
   * Comparing Bases Used Through History
   * Intra-Bases Representation Converter - Including Fractions