# Introduction to Place Values of Whole Numbers Up to 200 (Primary 2)

MATHEMATICS

FIRST TERM

WEEK 4

PRIMARY 2

THEME – WHOLE NUMBERS

PREVIOUS LESSON – Reading, Counting and Writing Numbers from 1 – 200 (Primary 2)

TOPIC – PLACE NUMBERS OF WHOLE NUMBERS UP 200

LEARNING AREA

1. Introductory Activities

2. Place Values of Whole Numbers Numbers up to 200

3. Weekly Assessment

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

1. identify the place values of numbers up to 200.

2. write place values of numbers up to 200.

ENTRY BEHAVIOUR

Counting, Reading and Writing of Numbers

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Match sticks

2. Bottle tops

3. Seeds

4. Rope

5. Rubber band

6. Pebbles

7. Charts of written whole numbers.

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information – Mathematics (Primary 2)

CONTENT OF THE LESSON

LESSON ONE – INTRODUCTORY ACTIVITIES

REVISION ON PLACE VALUES OF NUMBERS UP TO 99

Teacher’s/Pupil’s Activities 1 – Displays a number chart of 0 – 9 for pupils to identify and read loudly.

Teacher’s remark – There are 10 symbols of numbers where other numbers are formed by adding one digit to another or repeating each digit.

These numbers are – 1   2   3   4   5   6   7   8   9   as well as 0 and they are all called UNIT numbers.

FORMING NUMBERS UP TO 99

Teacher’s Activities 2 – Prepare 20 flash card numbers from 0 – 9 and asks each each one by one (if it to pick to two digits and read out the number loudly.

Teacher’s remark – Each number formed has two values – Ten and Unit from right to left.

Introduces PLACE VALUES OF NUMBERS and asks the pupils to state the value of each number formed the two digits.

For example, 3 and 4, 2 and 0

1. 34 and 43 are form from 3 and 4.

Therefore, the value of 34 and 43 are –

• 34 – 3 Tens and 4 Units
• 43 – 4 Tens and 3 Units

2. 20 and 02 are formed from 2 and 0.

Therefore, the value of 20 and 02 are –

• 20 – 2 Tens and 0 Unit
• 02 – 0 Ten and 2 Units

LESSON EVALUATION/CLASS WORK/ASSIGNMENT

Find the place values of the following numbers –

1. 54

2. 23

3. 90

4. 79

LESSON TWO – PLACE VALUES OF NUMBERS UP TO 200

Teacher’s/Pupil’s Activities 3 – Asks six pupils to pick 3 digits to a number and read loudly to the class.

For example, 123 – 108, etc.

Teacher’s remark – Each of the number has three values – HundredTenUnit from right to left and guide the pupils identify the place value of each digit of the numbers as shown below –

1       2     3

1 Hundred 2 Ten 2 Unit

OR

H    T    U

1   2    3

Therefore, the value of –

• 1 is hundreds
• 2 is tens
• 3 is units

Teacher’s activities – Takes one more example.

LESSON EVALUATION/ASSIGNMENT/MARKING/CORRECTION

Find the place value of 3 in the following numbers –

1. 154

2. 143

3. 100

Find the place value of 1 in the following numbers –

4. 109

5. 200

6. 199

LESSON THREE – PLACE VALUES OF WHOLE NUMBERS UP TO 200

Teacher’s/Pupil’s Activities 4 – Continuation of place values up to 200. More example and also consider quick assessment for the pupils.

LESSON EVALUATION/CLASS WORK/ASSIGNMENT

1. 50

2. 167

3. 69

4. 200

LESSON FOUR – WEEKLY ASSESSMENT

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Guides pupils to find the place value of each digit in a number.

Pupil’s Activities – Identify the place of each digit in a number.

3. Guides pupils to write a given whole number.

Pupil’s Activities – Write any given whole numbers.

4. Weekly Assessment

CONCLUSION

• To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

LESSON EVALUATION

Pupils to:

1. state the place value of a digit in a given whole number.

2. write any given whole numbers.

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