Decimal Fractions Basic 4 Mathematics Lesson Note

LEARNING AREA

• Lesson One – Introduction to Fractions
• Lesson Two – Changing Improper Fractions to Mixed Fractions
• Lesson Three – Changing Mixed Fractions and Improper Fractions
• Lesson Four – Revision and Weekly Assessment

TIME – 40 Minutes each.

LEARNING OUTCOME

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

1. identify different types of fractions.
2. differentiate between proper and improper fractions.
3. change improper fractions to mixed numbers and vice versa..

RATIONALE

Fractions really are everywhere! Every time we cut an apple, an orange, or any kind of fruit, we are taking a piece of the whole. We can represent those pieces as fractions. Fractions are part of a whole. That’s part of something bigger. Fractions have two numbers, a numerator (the part) and a denominator (the whole).

The concept of fractions will enable the pupils understand and appreciate its importance as part of life.

LEARNING MATERIALS

The teacher will teach the lesson with the aid of:

1. Orange
2. Paper cuttings of different shapes.
3. Fraction charts
4. Squares
5. Cardboards
6. Flow chart of quantitative reasoning.
7. Flash cards

PREVIOUS KNOWLEDGE

Sharing among members of the family is a part of daily activities. Sometimes, they equally or given part of their thing to friends or family.

REFERENCE MATERIALS

1. 9 – Years Basic Education Curriculum
2. Lagos State Scheme of work
3. New Method Mathematics Book
4. All Relevant Materials
5. Online Materials

WORK BOOK

ATTEMPTS ALL THE QUESTIONS

Choose one of the following to answer questions 1 – 4. Proper fractions, improper fractions, mixed numbers and fraction.

1. __________ is part of a whole.
2. 1 1/2 is a __________ fraction.
3. 1/2 is a __________ fraction.
4. 4/3 is a __________ fraction.

Change the following to mixed numbers.

1. 7/2
2. 55/7

Change the following to improper fractions.

1. 3 1/2
2. 7 6/7

Differentiate between proper fractions, improper and mixed fractions numbers. 2 marks

WEEK 3: DECIMAL FRACTIONS

LEARNING AREA

• Lesson One – Identification of Decimals Fractions up to Tenth
• Lesson Two – Identification of Decimals Fractions up to Hundredth
• Lesson Three – Further Practice on Decimal Fractions
• Lesson Four – Revision and Test

TIME – 40 Minutes each.

LEARNING OUTCOME

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

1. identify decimal fractions up to tenths and hundredths.
2. convert common fractions to decimal fractions.
3. convert decimal fractions to common fractions.

RATIONALE

LEARNING MATERIALS

The teacher will teach the lesson with the aid of tenths and hundredths squares charts.

PREVIOUS KNOWLEDGE

REFERENCE MATERIALS

1. 9 – Years Basic Education Curriculum
2. Lagos State Scheme of work
3. New Method Mathematics Book
4. All Relevant Materials
5. Online Materials

WORK BOOKS

ATTEMPT ALL THE QUESTIONS

Write each of these fractions as decimals.

1. 18/10
2. 543/100
3. 192/10
4. 171/100
5. 9745/10

Write these decimal fractions as fractions.

1. 0.42
2. 7.48
3. 0.36
4. 0.891
5. 10.9.8