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Give and Take 
Kinnaree sells beads in the bazar. She sells loose beads and necklaces of beads and 10 beads each.
Razia wants 12 beads. So Kinnaree gives her one necklace and two loose beads.
Now you find how many necklaces and loose beads the other children take.
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Encourage children to make groups of 10 using materials like beads, matchsticks, buttons etc. These concrete experiences will help develop their understanding.
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Practice Time
 How many beads are taken by Razia and Sonu?
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Correct Answer!
Wrong Answer! The right answer is 47!
One Extra Necklace
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Add by writing and also without writing
How many beads do they have together?
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 17 + 35 =
 24 + 12 =
 35  24 = Sonu has more beads than Aarif.
 24  12 = Aarif has more beads than Razia.
Correct Answer!
Wrong Answer! The right answer is 52!
Correct Answer!
Wrong Answer! The right answer is 36!
Correct Answer!
Wrong Answer! The right answer is 11!
Correct Answer!
Wrong Answer! The right answer is 12!
How many more beads does Simar have than Reema?
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Practice Time: Also do it in your mind

Tanisha has 17 pencils. Siya has 25 pencils. How
many pencils are there in all?
Correct Answer!
Wrong Answer! The right answer is 42!
figure 17  In Muneeza's class, there are 13
English story books and 22 Hindi
story books. How many story books
are there in all?
Correct Answer!
Wrong Answer!The right answer is 35!
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Sakshi had 23 fruits. She ate 15
fruits. How many fruits are left?
Correct Answer!
Wrong Answer! Correct answer is 8!
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Daljeet has 35 marbles. Arvind has
25 marbles. How many marbles do
they have in all?
Correct Answer!
Wrong Answer! The right answer is 60!
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Nisha has 32 bangles. Sukhi has 16
bangles. How many more bangles
does Nisha have?
Correct Answer!
Wrong Answer! The right answer is 16!
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 23 + 28 :
 15 + 8 :
 25 + 18 :
 27 + 15 :
Correct Answer!
Wrong Answer! The right answer is 51!
Correct Answer!
Wrong Answer! The right answer is 23!
Correct Answer!
Wrong Answer! The right answer is 43!
Correct Answer!
Wrong Answer! The right answer is 42!
In this chapter, the standard algorithms for addition and subtraction have been explained using some examples. However, it should be emphasised that learning only algorithms does not help to develop children`s conceptual understanding of the operations. For this, it is important to give them many word problems and encourage them to find out alternative ways to solve them.
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I will get back rupees.
Correct Answer!
Wrong answer! The right answer is 9.
Children should draw and make their own play money. They could be given different exercises and games which involve simple calculations.
Practice Time
 Shekhar has 32 rupees. He bought a ball for 17 rupees. How much money is left with him?
 Soni bought biscuits for 24 rupees and a packet of chips for 16 rupees. How much money will she pay?
 Fantoosh had 64 rupees. He spent 39 rupees at the fair. How much money is left with him?
Correct Answer!
Wrong Answer!The right answer is 15
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Correct Answer!
Wrong Answer!The right answer is 40
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Correct Answer!
Wrong answer! The right answer is 25
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