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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

  1. 9 – Years Basic Education Curriculum
  2. Lagos State Scheme of work
  3. New Method Mathematics Book
  4. All Relevant Materials
  5. Online Materials

 

 

 

 

LESSON PLAN/DEVELOPMENT

ASEI PDSI LESSON NOTES 

 

LESSON DEVELOPMENT 1 – Least Common Multiple docx

 

LESSON DEVELOPMENT 2 – Highest Common Factors docx

 

LESSON DEVELOPMENT 3 – Repeat the activities in one and two

 

LESSON DEVELOPMENT 4 – REVISION AND TEST

 

 

 

 

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