Addition Input/Output Tables - within 20
Consider the table:
| In | Out | 
| 2 | 4 | 
| 7 | 9 | 
| 0 | 2 | 
| 3 | 5 | 
Let's find the rule from the table given.
Notice that the given rule makes each number increase.
 
Try using addition.
 
2 + 2 = 4
7 + 2 = 9
0 + 2 = 2
3 + 2 = 5
 
Here, 2 is added each time in the input.
 
So, the rule is add 2.
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.