Operations and Algebraic Logic · Algebraic Thinking

The Mystery of the Missing Number

Solving problems where the total is known but one of the parts is missing.

Key Questions

  1. 1How can we find a missing part if we know the whole?
  2. 2What does the equals sign actually mean in a balanced equation?
  3. 3How can we use a number line to prove our answer is correct?

NCCA Curriculum Specifications

NCCA: Primary - AlgebraNCCA: Primary - Equations
Class/Year: 1st Class
Subject: Foundations of Mathematical Thinking
Unit: Operations and Algebraic Logic
Period: Algebraic Thinking

Suggested Methodologies

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