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Math Definitions - Letter N

Number Sense

Definition of Number Sense

Definition of Number Sense

Number sense is the ability of a person to understand and use numbers. It includes

  • Being able to compare numbers
  • Being able to make judgements based on different values
  • Working out the best strategies for adding, subtracting, dividing and multiplying numbers.
  • Being able to estimate or measure effectively using numbers.

Oh, Alice! That wading pool is a long way down. Alice the cow may have a lot of number sense, but I don't think she has very much common sense!


The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.


Year 1 to Year 12 students

Learning Objectives

Learn common math terms starting with letter N

Author: Subject Coach
Added on: 6th Feb 2018

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