Let us say that you had 8 candies:
And your mum gave you 3 more candies. How many candies would you now have?
|1||2||3||4||5||6||7||8||(Mum gave you)||9||10||11|
As you can see from the above figure, you end up with 11 candies.
In math, we write the above problem as:
When we want to add any two digit numbers, say 23 and 12, we always add the units place of the first number to the units place of the second number and the tens place of the first number to the tens place of the second number, like this:
However, it is not always that simple. Consider adding 18 to 23:
However, when we add 3 to 8, the result is 11. However, we can only have 1 digit in the tens place. So, we write down the 1 and carry over 1 to the tens place, like this:
And now, the final answer is
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