BASIC OPERATIONS w/QUANTITY
  IDENTIFICATION, COMPARISON AND CLASSIFICATION
   * Identify & Classify Basic Shapes
   * Comparing Length - Greater-Equal-Smaller
   * Comparing Weight - Greater-Equal-Smaller
   * Classification - NOMINAL
   * Classification - ORDINAL

   *
Classification - INTERVAL (Relative - Knowledge & Test scores)
   * Classification - INTERVAL (Absolute - Students heights)
 

  ADDITION and SUBTRACTION
   * Adding and Subtracting Linking Blocks
   * Count-add in Base-10
   * Block-add - Traditional / Right-to-left in Base-10
   * Block-add - Fast mental / Left-to-right in Base 10
   * Addition in Base-2 (computers)

   * What is subtraction? - View as UNDO of addition / two ways
   * Count-subtract in Base-10 - Step borrowing
   * Block-subtract in Base-10 - Block take away view
  
* Addition and Subtraction in Base-2 (computers)

  MULTIPLICATION and DIVISION 
  * Multiplication calculator with integers     
  * Multiplication calculator with fractions    
  * Using Ratios and Multiplication - How many Spoons of Chocolate Syrup? 
  * Predicting Pancakes Using Proportions - How many to make for How Many Folks?    
  * Using Ratios and Multiplication - How many pizzas for the players?   
  * Multiplication in Base-2 (computers)   
  * Repeated accumulation of effects and exponents

  * What is division? - View as UNDO of multiplication / two ways
  * Division in Base-2 (computers)                                N/ready

  * Mechanical (Power) Multiplication and (Rotation) Division   
  * Hydraulic (Power) Multiplication and (Displacement) Division

  REPEATED EFFECTS AND EXPONENTS 
  * Visualizing (single, double, triple) repeated effects and expressing them as exponents