# Addition and Subtraction of Fractions (Primary 4 and 5)

MATHEMATICS

SMASE – ASEI PDSI METHOD

FIRST TERM

WEEK 7/PRIMARY 5

WEEK 10/PRIMARY

TOPIC – ADDITION AND SUBSTRACTION OF FRACTIONS

LEARNING AREA

Lesson One – Addition of Fractions and Mixed Numbers

Lesson Two – Substraction of fractions and mixed numbers

Lesson Three – Mixed Operations of Addition and Subtraction of Fractions

Lesson Four – Revision and Test

TIME – 40 Minutes each.

LEARNING OUTCOME

By the end of the lesson, pupils should be able to:

1. add fractions and mixed numbers.

2. subtract fractions and mixed numbers.

3. carry out mixed operations involving addition and subtraction of fractions.

4. solve word problems involving addition and subtraction of fractions.

RATIONALE

Fraction is part of a whole. Just like other numbers, we can add and subtract fractions – proper fractions, improper fractions and mixed numbers to/from one another.

The concept of addition and subtraction of fractions will enable the pupils to understand and appreciate the importance of adding and subtracting fractions.

LEARNING MATERIALS

The teacher will teach the lesson with the aid of fraction parts.

PREVIOUS KNOWLEDGE

The pupils have the basic knowledge of adding and subtracting fractions.

REFERENCE MATERIALS

9 – Years Basic Education Curriculum

Lagos State Scheme of work

New Method Mathematics Book

All Relevant Materials

Online Materials

LESSON PLAN/DEVELOPMENT

ASEI PDSI LESSON NOTES

LESSON DEVELOPMENT 1 – Addition of Fractions docx

LESSON DEVELOPMENT 2 – Subtraction of Fractions docx

LESSON DEVELOPMENT 3 – Addition and Subtraction of Mixed Numbers docx

LESSON DEVELOPMENT 4 – Word Problems Involving Addition and Subtraction of Fractions docx

Revision and Test