Computation

This section provides examples demonstrating how to use a variety of algorithms included in Everyday Mathematics. It also includes research basis, explanations, information, and advice about basic facts and algorithm development.

• Addition

  
  • Partial Sums
  • Column Addition

• Subtraction

  
  • Trade-First
  • Counting Up
  • Left-to-Right
  • Opposite-Change
  • Partial Differences

• Multiplication

  
  • Partial Products
  • Lattice
  • Multiplication Symbols used in EM

• Division

  
  • Partial Quotients
  • Division Symbols used in EM
  • Sample traditional long-division lessons from Grades 4-6

• About Computation

  • Overview of EM algorithmic approach
  • Research on algorithms and distributed practice
  • Developing Basic Facts in EM