Fractions – ½ and ¼ of a given Collection Objects (Primary 2)

MATHEMATICS

FIRST TERM  

WEEK 7

PRIMARY 3

THEME – FRACTIONS 

PREVIOUS LESSON – The use of Symbols and = to determine the values Numbers Up to 200 (Primary 2)

TOPIC – FRACTIONS 

LEARNING AREA

1. Introductory Activities

2. ½ and ¼ of Collection of Objects

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. divide a collection of concrete objects into two equal parts and four equal parts.

2. obtain ½ and ¼ of a concrete object.

ENTRY BEHAVIOUR

Share or divide

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

Oranges, Cardboard papers, etc.

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 – INTRODUCTORY ACTIVITIES (5 minutes) 

ONE OVER TWO (½) OF A GIVEN COLLECTION 

Teacher’s/Pupil’s Activities – Gives a collection of objects like 8 pencils or 4 books for two of pupils (A and B by name) to share among themselves.

Pupil’s Activities –

• 8 pencils

✏️✏️✏️✏️✏️✏️✏️✏️

A – ✏️✏️✏️✏️

B – ✏️✏️✏️✏️

OR

4 books

📘📘📘📘

A – 📘📘

B – 📘📘

Teacher’s activities – Creates an activity that will lead the pupils to identify the number of parts the pencils or books.

Teacher’s remark – Sharing the pencils or books into two is called ½. That’s, the pupils stand for two and each part taken is one.

More Activities, repeat the activities with collections different objects with different pupils until they understand the concept.

Teacher’s activities – Creates an activity that will lead the pupils to identify the number of parts the pencils.

Teacher’s remark – Sharing the pencils into two is called ½. That’s, the pupils stand for two and each part taken is one and pronounce as

1 over 2

Let the pupils repeat after you – 1 over 2 or Half

Continue this process with different collection until the pupils are able to understand the concept of fractional part.

Closing remark – Based the the above activities, leads the pupils to identify and discuss ½ as fraction. That’s a part of the whole collection.

LESSON EVALUATION/CLASS WORK 

Find ½ of

1. AAAAAAAA

Translate to ½ of 8 =

2. ⚽⚽⚽⚽ ⚽⚽⚽⚽

3. ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

4. ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

 

LESSON TWO – ONE OVER FOUR (¼) OF A GIVEN COLLECTION 

Teacher’s/Pupil’s Activities – Uses different collections for 4 pupils and follow the procedure in lesson one.

LESSON EVALUATION/CLASS WORK 

Find ¼ of

1. AAAAAAAA

Translate to ¼ of 8 =

2. ⚽⚽⚽⚽ ⚽⚽⚽⚽

3. ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

4. ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

 

LESSON THREE – ½ AND ¼ OF CONCRETE OBJECTS 

Teacher’s/Pupil’s Activities – Get a plain A4 paper for two set of pupils (A – two pupils and B – four pupils) to share the paper among themselves, identify and pronounce each part correctly.

Note – This require cutting, please guide them through.

LESSON EVALUATION/CLASS WORK

Indicate ½ or ¼ on the following set of collections or objects –

1. AAAA I AAAA

2. ⚽⚽ I ⚽⚽ I ⚽⚽ I ⚽⚽

3. ✏️✏️✏️✏️✏️ I ✏️✏️✏️✏️✏️ I ✏️✏️✏️✏️✏️ I ✏️✏️✏️✏️✏️

4. ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️ I ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

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 divide the objects into two equal parts and four equal parts.

Pupil’s Activities – Divide the objects into two equal parts and four equal parts

3. Guides pupils to divide the objects into four equal parts to obtain three quarter.

Pupil’s Activities – Divide the objects into four equal parts to obtain three-quarters.

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 – Fractions – ¾ of a given Collection of Objects (Primary 2)

LESSON EVALUATION 

Pupils to:

1. divide collection of objects into two or four to obtain ½ or ¼

2. obtain ½ or ¼ of a concrete object.