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The Power of Place Value and Operations · Autumn Term

Estimation with Rational Numbers

Students will use estimation strategies to approximate answers to calculations involving integers, fractions, and decimals, and to check the reasonableness of exact answers.

Key Questions

  1. Analyze how to estimate the sum or difference of two fractions or decimals.
  2. Compare different estimation strategies for a given problem.
  3. Predict when an estimate is sufficient versus when an exact answer is required.

NCCA Curriculum Specifications

NCCA: Junior Cycle - Number - N.4NCCA: Junior Cycle - Problem Solving - PS.1
Class/Year: 3rd Class
Subject: Mathematical Explorers: Building Number and Space
Unit: The Power of Place Value and Operations
Period: Autumn Term

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