Subtraction Input/Output Tables - within 20
We know that subtraction is the operation that decreases a number after the operation.
For example: Consider the table given below:
Let's find the rule from the table given.
Notice that the given rule makes each number decrease.
Try subtracting 3 from each number.
14 – 3 = 11
19 – 3 = 16
13 – 3 = 10
15 – 3 = 12
Here, on subtracting 3 from the ‘Input’ numbers, we get the ‘output’ numbers.
So, the rule is subtract 3.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.