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Subtraction Sentences up to 20 - on Number Line

Consider the number line given below:

1b

Let's find the subtraction sentence represented by the given number line.

To find the subtraction sentence, we need to count back from the larger number on the number line.

Start from 12, and count back 4. We obtain 8 as the result.

 

12 – 4 = 8

So, the subtraction sentence represented by the given number line is 12 – 4 = 8.
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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.