# Money – Addition and Subtraction of Nigerian Currency – Coins and Naira (Primary 1)

Last Updated on July 15, 2020 by Alabi M. S.

MATHEMATICS

THIRD TERM

WEEK 3

PRIMARY 1

THEME – PRIMARY MEASURES

PREVIOUS LESSON – Money – Recognition of Coins and Notes (Primary 1)

TOPIC – MONEY

LEARNING AREA

1. Addition and Subtraction of Nigerian Coins not Exceeding 25 kobo

2. Addition and Subtraction of Nigerian Notes not Exceeding 50

3. Shopping Corners’ Activities – Buying and Selling with Nigerian Currency

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. recognize different denominations of Nigerian coins.

2. add or subtract coins to obtain sums not exceeding 25k.

3. calculate change obtainable from 10k or less.

4. trace coins using brown and white papers.

ENTRY BEHAVIOUR

Buying and selling

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Real coins

2. model coins or paper coins

3. Shopping Corner

6. Crayon.

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

CONTENT OF THE LESSON

LESSON ONE – ADDITION AND SUBSTRACTION OF COINS

Introductory Activities

Pupil’s Activities – Oral Questions and Answers

1. 5 + 2 = 7

2. 5 — 3 = 2

3. 10 — 4 = 6

4. 20 + 4 = 24

5. 18 + 5 = 25

Teacher’s Activities – Guides and encourages the pupils to use available counting materials if possible.

Addition and Subtraction of Coins

Teacher’s/Pupil’s Activities 2 – Oral and Written Questions and Answers

(As in Activities 1)

1. 5 kobo + 2 kobo = 7 kobo

2. 5 kobo — 3 kobo = 2 kobo

3. 10 kobo — 4 kobo = 6 kobo

4. 20 kobo + 4 kobo = 24 kobo

5. 18 kobo + 5 kobo = 25 kobo

LESSON EVALUATION

1. 5 kobo + 3 kobo = ___ kobo

2. 8 kobo — ___ kobo = 5 kobo

3. ___ kobo — 4 kobo = 6 kobo

4. 20 kobo + ___ kobo = 24 kobo

5. 18 kobo + 5 kobo = ___ kobo

LESSON TWO – ADDITION AND SUBSTRACTION OF NOTES

Introductory Activities

Class Shopping Corner Activities

Pupil’s Activities 1 – Identification of Cost of the Following Items

1. Bobo – ₦50

2. Pencil – ₦10

3. Ruler – ₦10

4. Biscuit – ₦20

5. Pure water – ₦10

Teacher’s Activities

1. Provides a small shopping corner in the classroom.

2. Leads the pupils to do the shopping in groups. Each group will have trader and customer. Shopping involves addition and subtraction.

3. Ensures that pupils add and subtract correctly.

Teacher’s/Pupil’s Activities – Buying, Selling and Receiving Change

1. How much do you pay when you buy pure water and biscuits?

2. How much will you collect as change from ₦40 if you buy bobo and biscuit?

3. How much will you collect as change from ₦50 if you buy 2 pencil and a ruler?

LESSON THREE – ADDITION AND SUBSTRACTION OF NOTES

Sample

A. ₦10 + ₦10 = ₦20

B. ₦10 + ₦5 = ₦15

EXERCISE

Complete the following –

1. ₦15 + ₦5 = ____

2. ₦50 — ____ = ₦20

3. ____ — ₦4 = ₦16

4. ₦20 + ₦20 = ____

5. ₦20 + ____ = ₦40

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 use coins to add and subtract.

Pupil’s Activities – Add and subtract coins.

3. Organizes group’s activities that involves buying and selling.

Pupil’s Activities – Participate in the group’s activities.

4. Guides pupils to use notes to add and subtract.

Pupil’s Activities – Add and subtract notes.

CONCLUSION

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

LESSON EVALUATION

Pupils to:

1. recognise the different denomination of Nigerian coins and notes.

2. add and subtract two or three coins.

3. shop and receive change.