Mathematics Primary Six First Term 20AB

Notation and Numeration of Numbers for Primary 6 (Full Lesson Note)

Lesson Details

• Subject: Mathematics

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• 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:

1. Define notation and numeration of numbers.

2. State the place values of numbers correctly.

3. Place numbers appropriately in a numeric table.

4. Expand numbers according to their place values.

5. 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:

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

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)

1. Q: What is notation?
   A: Notation is the way we write numbers using figures like 1, 2, 3.

2. Q: What is numeration?
   A: Numeration is the way we write numbers in words.

3. Q: What is a numeric table used for?
   A: It helps us arrange numbers according to their place values.

4. Q: What is the place value of 7 in 7890?
   A: 7000

5. Q: How do you expand 208?
   A: 200 + 0 + 8

6. Q: Which digit is in the hundred’s place in 3456?
   A: 4

7. Q: What is the value of 5 in 5023?
   A: 5000

8. Q: How do we expand 1010?
   A: 1000 + 0 + 10 + 0

9. Q: What is the place value of 6 in 165?
   A: 60

10. Q: Which is greater in place value: 9 in 900 or 9 in 90?
    A: 9 in 900

Evaluation Questions

Expand the following numbers:

1. 16853

2. 25189

3. 651183

4. 500000

5. 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.