Mathematics Primary Six First Term 20AB
Notation and Numeration of Numbers for Primary 6 (Full Lesson Note)
Lesson Details
Subject: Mathematics
Class: Primary 6
Term: Third Term
Week: 1
Age: 9–11 years
Topic: Notation and Numeration of Numbers
Sub-topic: Place Value and Number Expansion
Duration: 40 minutes
Behavioural Objectives
By the end of this lesson, pupils should be able to:
Define notation and numeration of numbers.
State the place values of numbers correctly.
Place numbers appropriately in a numeric table.
Expand numbers according to their place values.
Solve class activities and exercises independently.
Keywords
Notation
Numeration
Place Value
Numeric Table
Units
Tens
Hundreds
Thousands
Expanded Form
Set Induction
The teacher writes the number 3025 on the board and asks:
“Can anyone tell me how many thousands we have here?”
“What is the value of the digit 5 in this number?”
After pupils respond, the teacher explains that today’s lesson will help them understand how to identify, arrange, and expand numbers based on their place values.
Entry Behaviour
Pupils should already be familiar with counting, basic addition and subtraction, and simple place values up to hundreds.
Learning Resources and Materials
Lagos State Mathematics Scheme of Work
Understanding Mathematics Book Six
Wall charts with numeric tables
Abacus
Flashcards
Marker and whiteboard
Real-life counting materials (beans, bottle tops, sticks)
Building Background / Connection to Prior Knowledge
The teacher reminds pupils of the previous lesson on Counting and Number Recognition. Pupils discuss how numbers can be arranged in groups like ones, tens, and hundreds.
Embedded Core Skills
Numeracy skills
Critical thinking
Collaboration and participation
Observation and classification
Content Development
Meaning of Notation and Numeration
Notation is the way numbers are written using symbols or figures such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
Numeration is the method or system of naming numbers in words.
For example:
Notation: 3
Numeration: Three
What is a Numeric Table?
A numeric table is a chart used to arrange numbers in their correct position based on place value. It helps to identify the value of each digit in a number according to its position.
Example:
Million | Hundred Thousand | Ten Thousand | Thousand | Hundred | Ten | Unit |
---|---|---|---|---|---|---|
1 | 8 | 4 | 2 | 0 | 5 | 6 |
The numeric table makes it easy to expand numbers and identify the place value of each digit.
Place Values in a Number
A place value is the value of a digit depending on where it is placed in a number.
From right to left:
Units (Ones)
Tens
Hundreds
Thousands
Ten Thousands
Hundred Thousands
Millions
Example:
In the number 3,258
Place Value | Digit |
---|---|
Thousand | 3 |
Hundred | 2 |
Ten | 5 |
Unit | 8 |
How to Expand Numbers Using Place Value
When we expand numbers, we break them down according to their place values.
Example 1: Expand 1842
Solution:
1000 + 800 + 40 + 2
Example 2: Expand 3456
Solution:
3000 + 400 + 50 + 6
More Examples
Example 3: Expand 2050
Solution:
2000 + 0 + 50 + 0
Example 4: Expand 560
Solution:
500 + 60 + 0
Example 5: Expand 7025
Solution:
7000 + 0 + 20 + 5
Presentation Steps
Step 1: The teacher revises the previous topic on number counting and recognition.
Step 2: The teacher introduces the new topic Notation and Numeration of Numbers by showing the numeric table.
Step 3: The teacher explains the place values with examples and allows pupils to identify the place value of given numbers.
Step 4: Pupils are guided to expand numbers.
Step 5: Pupils are given exercises to attempt on their own while the teacher offers guidance where necessary.
Teacher’s Activities
Write numbers on the board.
Explain place values using numeric tables.
Demonstrate number expansion with examples.
Engage pupils with interactive questions.
Supervise class exercises and provide feedback.
Learners’ Activities
Listen attentively to the teacher’s explanations.
Identify place values of digits in given numbers.
Participate in class discussions.
Solve number expansion exercises.
Ask and answer questions.
Class Activity Discussion
Frequently Asked Questions (FAQs)
Q: What is notation?
A: Notation is the way we write numbers using figures like 1, 2, 3.Q: What is numeration?
A: Numeration is the way we write numbers in words.Q: What is a numeric table used for?
A: It helps us arrange numbers according to their place values.Q: What is the place value of 7 in 7890?
A: 7000Q: How do you expand 208?
A: 200 + 0 + 8Q: Which digit is in the hundred’s place in 3456?
A: 4Q: What is the value of 5 in 5023?
A: 5000Q: How do we expand 1010?
A: 1000 + 0 + 10 + 0Q: What is the place value of 6 in 165?
A: 60Q: Which is greater in place value: 9 in 900 or 9 in 90?
A: 9 in 900
Evaluation Questions
Expand the following numbers:
16853
25189
651183
500000
1655342
Conclusion
The teacher marks pupils’ work, corrects mistakes, and summarises the lesson. Emphasis is placed on the importance of arranging numbers properly using numeric tables and understanding place values for accurate calculation.