Finding the LCM and HCF - A Scaffold

FINDING THE LOWEST COMMON MULTIPLE AND HIGHEST COMMON FACTORS

"Relevant for all - necessary for some", this scaffold resource is designed to assist individuals and groups in the following areas of maths:

• finding multiples of a numeral
• ascertaining the lowest common multiple (LCM)
• finding factors of a number
• ascertaining the highest common factor (HCF)
• using a factor tree
• finding prime factors of a given number

This resource can be laminated and reused, with various numbers to promote mastery of these concepts.

This resource can be used by anyone, but may be especially relevant for individuals with dyscalculia, dyslexia, ADHD and/or ASD.

Included in this resource:

• A scaffold to find the LCM of any given number
• A scaffold to find the HCF of any given number
• A factor tree worked example
• A factor tree scaffold