LCM and HCF of 2 Digits (Primary 6)
MATHEMATICS
SMASE – ASEI PDSI METHOD
FIRST TERM
WEEK 4
PRIMARY 6
TOPIC – L. C. M. AND H. C. F. OF NUMERALS NOT MORE 3 DIGITS
LEARNING AREA
Lesson One – Least Common Multiples
Lesson Two – Highest Common Factors
Lesson Three – Least Common Multiple and Highest Common Factors
Lesson Four – Revision
Lesson Five – Test
TIME – 40 Minutes each.
LEARNING OUTCOME
By the end of the lesson, pupils should be able to:
1. find common factors of 2-digit whole numbers
2. find the HCF of 2-digit whole numbers.
3. find common multiples of 2-digit whole numbers
4. find the LCM of 2-digit whole numbers.
RATIONALE
LCM stands for Lowest Common Multiple. HCF on the other hand, stands for Highest Common Factor. LCM and HCF are both used to minimize or maximize possible outcomes between two or more things.
The concept of LCM and HCF will enable people to understand and appreciate the importance of LCM and HCF in sharing or allocating two or more things among different groups with any conflict or waste.
LEARNING MATERIALS
The teacher will teach the lesson with the aid of charts of factors and multiples of numbers.
PREVIOUS KNOWLEDGE
The pupils have the knowledge of multiplication of numbers up to 12 x 12.
REFERENCE MATERIALS
9 – Years Basic Education Curriculum
Lagos State Scheme of work
New Method Mathematics Book
All Relevant Materials
Online Materials
LESSON PLAN/DEVELOPMENT
ASEI PDSI LESSON NOTES
LESSON DEVELOPMENT 1 – LCM – Least Common Multiple docx
LESSON DEVELOPMENT 2 – HFC Highest Common Factors docx
LESSON DEVELOPMENT 3 – Repeat the activities in one and two
LESSON DEVELOPMENT 4 – REVISION AND TEST