The Power of Place Value and Number Systems · Number and Operations

Rounding and Estimation Strategies

Developing the ability to approximate values for practical use in everyday calculations.

Key Questions

  1. 1When is an estimate more useful than an exact answer in real life?
  2. 2How do we decide which multiple of ten a number is closest to?
  3. 3Does rounding up always make a calculation easier?

NCCA Curriculum Specifications

NCCA: Primary - NumberNCCA: Primary - Estimating and Rounding
Class/Year: 3rd Year
Subject: Mathematical Foundations and Real World Reasoning
Unit: The Power of Place Value and Number Systems
Period: Number and Operations

Suggested Methodologies

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