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Developing Number Sense – Part 1

2/20/2012

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The development of number sense is crucial to success in mathematics as well as in our students’ lives beyond school. Though number sense is commonly taught in primary grades, its emphasis fades in later years. In fact, 
though it is a mathematical strand in the frameworks of most states and is found in the Common Core Standards, textbooks tend to focus on number procedures instead of number sense.
The problem is magnified when we consider that though students will study algebra, geometry, trigonometry, statistics, and calculus in upper mathematics, they are unlikely to encounter the mathematical sense for these courses in the years preceding them. Indeed number sense provides the foundation upon which we build the subsequent mathematical structure.

Fortunately there are simple strategies that we can implement to help students develop number sense. These strategies can be incorporated into your existing instruction with ease.

This is part one of a series that will explore the components of number sense and help teachers help their students grow mathematically. Though number sense is difficult to define, it is easy to recognize. Five components make up instruction in number sense. They are:
  • Number Magnitude
  • Estimation
  • Mental Computation
  • Mathematical Properties
  • Effects of Operations
Adults and students who possess these components have a solid grasp on number sense.  We will explore each of these components in upcoming articles, but for now, you can see an example of this instruction in action on this video in which students show their thinking about fractions.

Brad Fulton is a veteran math teacher and nationally recognized educational consultant and keynote speaker. In 2005, he was selected as the C.L.M.S. middle school educator of the year.

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    Brad Fulton is an award winning teacher and nationally recognized provider of professional development with over three decades of experience in education.

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