Lesson Plan of Addition of Fractions

Lesson Plan of Addition of Fractions

Subject Mathematics

Grade III

Students` Learning Outcomes

• Add two fractions with same denominator.
• Represent addition of fractions through figures.

Information for Teachers

• Addition of fractions is done differently than the numbers.

• Fractions with same denominators are called like fractions.

• While adding likes fractions only the numerators of the fractions are added and the denominators remain the same.
• While teaching the lesson, also consult textbook where and when applicable.

Material / Resources

Writing board, chalk/marker, duster, paper strips, playing dough/clay, coloured fraction strips, mathematics textbook

Introduction

• Write some like fractions on the board and ask students to show the fractions with colour strips.
• Ask them if you want to combine any two fractions, how will you do it? Write their responses on the board.
• Discuss with students today we`ll combine two fractions.
• Tell students about like fractions.

Development

Activity 1

• Divide the class into groups of 4.
• Ask the groups to use playing dough or clay and make bread.

• Cut into 4 equal parts.

• Give each part of Bread to 4 students and ask how much of bread each one has? Write its fraction on the notebooks one student writes it on the board.

• Ask two students to combine their share. Write both/total shares on the board;

• Ask them to now combine their share with the 3^rd Write it on the board;

• Ask students to observe the process of adding fractions with the same denominator.
• What do they conclude?
• Guide them in understanding that for adding fractions with the same denominator we add the numerators and the denominator remains the same.

• Ask students if we divide cake/bread in 8 equal parts instead of 4 and each one get two shares; would there be any change in fractions and in result?

Activity 2

• Write 3/8 + 3/8 on the board
• Give one paper strips to students in groups and ask them to fold and represent the two fractions with same denominators with two different colours e.g. 3/8 and 3/8.

• Ask students to combine both parts in one strip and answer what fraction will it be after combining or adding?
• Write the answer of the questions assigned to different groups on the board and ask students to make a rule for addition of two fractions with same denominators.
• Discuss with students when we add two fractions with same denominator we add numerator and denominator remain same.

• Solve few examples with the help of the students on the board to practice the rule.

Activity 3

• Write questions about addition of like fraction;

• Ask students to draw diagrams related to addition question (it would be nice to use two different colours to show two fractions).
• Encourage students to use different shapes to represent fractions. (Like one group can use circle other can use triangle, strips etc.)

• Ask them to combine fractions together to add them.
• Write responses on the board (sums and answers)
• Discuss addition of fractions with same denominator to recap the learning.

Sum up / Conclusion

• Ask students to repeat the rule for addition of like fractions.
• Give four equal parts of circle showing ¼ each.

• Ask them to add two parts by using fraction and addition signs.

Assessment

• Assign some fractions e.g. 1/7, 2/7, 3/7, 4/7) to the students and ask them to choose any two fractions and add them.

• Make  3 similar combinations and add them e.g. 2/7, 1/7, 5/7;

Follow up

• Pose some problems from daily life situation regarding fraction and ask them to find the answer e.g. there are two glasses of water, one is one fourth filled and other is two fourth filled. How much water will you get if you combine water of both glasses? If you double the amount of water in both glass. How much water will you get?
• Think of the way you can measure ¼ glasses of water, 2 quarters and 3 quarter of water by using only 2 glasses.
• Ask the students to solve the questions given in the textbook.