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Using Number Relationships for Estimation and Mental Computation

Ramakrishnan Menon 

May 2003, Volume 8, Issue 9, Page 476

Abstract:
Article describes how students can compute and estimate mentally, and rapidly, by using appropriate number relationships.

Keywords:
Article
Grades 6-8
Estimation / Approximation / Number Sense
Teacher
Skill and Fluency
Multiplication and Division