Complete the Subtraction Sentence - Within 1000

Consider the subtraction sentence:

315 – ? = 101

Let's find the missing number.

To find the missing number, we should subtract 101 from 315.

First, subtract the ones.

	3	1	5
–	1	0	1

4

Now, subtract the tens.

	3	1	5
–	1	0	1

1

4

 Now, subtract the hundreds.

	3	1	5
–	1	0	1

2

1

4

The missing number is 214.