Lesson Notes By Weeks and Term v3 - Primary 4
LCM
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- Lesson Notes By Weeks and Term v3
- Primary 4
- LCM
Subject: General Mathematics
Class: Primary 4
Term: 1st Term
Week: 2
Theme: Numbers And Numeration
Performance objectives
- (Learner-Friendly Language):
- Identify multiples of small numbers (up to 9).
- List common multiples of two given numbers (up to 9).
- Find the smallest common multiple (LCM) of two numbers by listing their multiples.
- Determine the LCM of two numbers using the factor method (prime factorization) for numbers up to 9.
Lesson summary
This lesson focuses on the concept of the Lowest Common Multiple (LCM) for numbers up to 9. Understanding LCM is fundamental in mathematics, as it lays the groundwork for operations with fractions (finding common denominators) and solving real-world problems involving cyclic events or combining quantities. In the Nigerian context, grasping LCM can help students solve practical problems such as scheduling community activities, planning for shared resources like water collection or market trips, or determining when events will coincide.
Teacher activity
- The teacher begins by asking students to recall what "multiples" are. The teacher can use a rhythmic clapping or counting game. For example, "Let's count by 2s: 2, 4, 6..." and then "Let's count by 3s: 3, 6, 9...".
Evaluation guide
- This section outlines how to assess students' understanding based on the provided evaluation guide.
- Formative Assessment Strategies (During the Lesson):
- Observation: The teacher observes students' participation in group activities, their ability to list multiples, and their initial attempts at finding common multiples.
- Question and Answer: The teacher asks targeted questions during class discussions to check for understanding of definitions and steps.
- Whiteboard Practice: Students solve quick problems on individual whiteboards, allowing the teacher to gauge immediate understanding and identify common errors.