Lesson Planning of Number Operation
(Addition, Subtraction)
Subject Mathematics
Grade II
Students` Learning Outcomes
- Solve real life problems (using
Pakistani currency as well) involving addition, subtraction.
Information for teachers
- Have a concept of “addenda” and
“sum”.
- “Addenda” those quantities, to
which we want toad, is plural for addendum.
- “Sum” result after adding
quantities.
- By doing addition when things
become more than ‘10’ in unit place we take ‘1’ as carry to tens or hundreds
place respectively.
- When doing sums regarding
subtraction if in unit place or tens of ‘minuend’ digits are smaller than
‘subtrahend’ take ‘1’ as borrow from tens or hundreds place digits and add ‘10’
in place of ‘1’ in unit and tens units.
- While teaching the lesson, the
teacher should also consult textbook at all steps wherein and whenever it is
applicable.
Material / Resources
Writing board, chalk/marker,
duster, fake currency notes (money) of different values (4 sets), match sticks
/ stones
Introduction
Activity
- Tell the story
- “In the morning I went to the shop and purchased
a sweet for Rs. 10 and juice for Rs 12.
- How much money did I spend?
- Give them time to think and ask.
- What is the price of the sweet? (Expected answer would be as; Rs 10)
- How many sweets did I buy? (Expected answer would be as;one)
- What other things did I buy? (Expected answer would be as;juice)
- What is the price of the juice? (Expected answer would be as;Rs 12)
- How will you find the total; cost? (Expected answer would be as;by adding the
numbers)
- Ask them to add and check their work.
|
Development
Activity 1
- Tell the story to the students.
- “Jasmine has Rs 100 with her. She went to the
bazar. She bought a book for Rs 65 and a toy car for Rs 27. How much money
did she spend, and how much money is left with her?”
- Help the students to understand the story and ask
following questions.
- How much money jasmine has with her? (Expected
answer would be as; 100)
- Where did she go? (Expected answer would be as; bazaar)
- What did she buy? (Expected answer would be as; a
book and a toy car)
- What is the price of book? (Expected answer would
be as; Rs 65)
- Ask one student to write this on the board.
- What is the price of the toy car? (Expected
answer would be as; Rs 27)
- How will we find the total amount spent? Expected
answer would be as; (will add price of book and toy)
- Ask another student to write Rs 27 under the
price of the book on the board.
Price of book
= 165 Rs
Price of toy car
= + 27 Rs
Total amount
= 92 Rs
- How much money she spent? (Expected answer would
be as; Rs 92)
- What do we have to find? (Expected answer would be as; money left)
- How will we find it? (Expected answer would be as;
will subtract)
- Ask one student to write on the board.
9 1 0
- Total money jasmine has = 100
Rs
- Total money she spent = -
92 Rs
- Amount left with Jasmine = 8 Rs
- Help them to solve with the help of notes by
changing Rs ‘100’ note in ‘10’ Rs notes ten Rs note into ten coins of Rs ‘1’.
- How much amount Jasmine has? (Expected answer
would be as; Rs 8)
|
Activity 2
- Divide the class in four groups and provide each
group a written story.
- Also provide them match sticks / stones and fake
currency notes of different values.
- “Ali has Rs 90 in his pocket, in break he drank a
juice costing Rs 19 and purchased a book costing Rs 59. How much did he spend
and how much money does he have left with him”.
- Ask the students to read and discuss in their
groups for understanding the story.
- Help them in their groups.
- Ask each group to solve and present their work in
front of the class.
|
Sum up / Conclusion
- Ask the following questions.
- Amna bought stickers for Rs 29
and note books for Rs 48. How much amount Amna spent? (Expected answer would be
as; Rs 77)
- Aslam has Rs 50 in his pocket. He
purchased a chock bar for Rs 27. How much money is left with him? (Expected
answer would be as; Rs 23).
- Teacher is also required to
involve the students in solving the problems given in the exercise at the end
of unit / chapter.
Follow up Tasks
- Ask them to convert following
mathematical statement into story and ask them to write story on chart paper
and solve them.
- Spend Rs
left with
- 47 100
- + 26 - 73
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