Algebraic Reasoning for Grades K5 Teachers

1
Algebraic Reasoning for Grades K-5 Teachers
EDN 322 Session 2

• The North Carolina Partnership for Improving
  Mathematics and Science

2
Developing Problem Solving Processes

• Standard 286
• - 187
• Reversibility an ability to restructure the
  direction of a mental process from a direct to a
  reverse train of thought
• What number added to 187 equals 286?

3
Developing Problem Solving Processes

• Standard 286
• - 187
• Ability to Generalize a persons ability to
  see something general and known to him in what is
  particular and concrete, AND
• an ability to see something general and still
  unknown to him in what is isolated and particular

4
Developing Problem Solving Processes

• Standard 286
• - 187
• Flexibility an ability to switch from one
  level of thinking about a problem to another,
  both within-problem (using multiple methods) and
  across-problem (using what you know about one
  problem to solve another)
• Find the difference between 286 and 187.
• Find the difference between the two numbers a
  second way.

5
Developing Problem Solving Processes
6
Teaching Relational Thinking

• Create a set of true false number sentences and
  open number sentences designed to develop
  students relational thinking.
• Create another set of true false number
  sentences and open number sentences designed to
  enrich students concept of equality.
• Number sentences should be appropriate for your
  assigned grade strand.