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Addition Patterns Over Increasing Place Values (Within 1000)

Consider the addition pattern:

1 + 1 = _____

10 + 10 = _____

100 + 100 = _____

To complete this pattern, we find the first missing number.

1 one + 1 one = 2 ones

1 + 1 = 2
 

Now use this result to complete the pattern:
 

1 ten + 1 ten = 2 tens

10 + 10 = 20
 

1 hundred + 1 hundred  = 2 hundreds
100 + 100 = 200
ds

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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.