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tens Ones
3. There are 16 frogs in the pond. 4 of
them hopped away. How many frogs
are left in the pond? –
tens Ones
4. John had 9 kittens. He gave 7 to
his neighbours. How many kittens
does he have now? –
tens Ones
5. Sally saw 19 fish. 7 of them swam away.
How many fish were left? –
addition and Subtraction reLationSHiP
A number fact is a simple statement made up of
three different numbers. For example, 4 + 3 = 7
is a number fact.
Here, the three numbers used are 4, 3 and 7.
Latika: Add 4 and 5 in any order, the answer will
be the same. 4 + 5 = 9 same answer
or 5 + 4 = 9
Shreyas: We can have two subtraction facts for the above addition facts as
9 – 5 = 4 and 9 – 4 = 5
Mayank: It is a beautiful relationship between addition and subtraction.
To each addition fact there are two subtraction facts.
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