Skip to content
Multiplication and Algebraic Thinking · Autumn Term

Highest Common Factor and Lowest Common Multiple

Students will find the highest common factor (HCF) and lowest common multiple (LCM) of two or more numbers and apply them to problem-solving.

Key Questions

  1. Differentiate between HCF and LCM and their applications.
  2. Explain how prime factorization can be used to find HCF and LCM.
  3. Design a real-world problem that requires finding either the HCF or LCM to solve.

NCCA Curriculum Specifications

NCCA: Junior Cycle - Number - N.9NCCA: Junior Cycle - Problem Solving - PS.1
Class/Year: 3rd Class
Subject: Mathematical Explorers: Building Number and Space
Unit: Multiplication and Algebraic Thinking
Period: Autumn Term

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Browse curriculum by country

AmericasUSCAMXCLCOBR
Asia & PacificINSGAU