 # Find the Missing Digits in Addition & Subtraction | Fill in the Missing Digits in a Number Sentence

Missing digits are nothing but the numbers that get missed in the given series of numbers. You have to check the missing number with the result and find the missing digit. This article helps you know how to find the missing digits in addition & subtraction problems. Here you can find the example problems related to addition and subtraction. The problem contains a missing digit which you have to replace and find the result.

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### Fill in the Missing Digits

Example 1.
How do you find the missing digits for Solution:
7 + 1 = 8
5 + _ = 7
_ = 7 – 5
_ = 2
Thus the missing digit is 2.
3 + 4 = 7 Thus the missing digit is 2.

Example 2.
How do you find the missing digits for Solution: First subtract ones place
4 – x = 1
4 – 1 = x
x = 3
Thus the missing digit is 3.

Example 3.
How do you find the missing digits for Solution:
First subtract the number in ones place
6 – 5 = 1
7 – 4 = 3 Thus the missing digit is 1.

Example 4.
How do you find the missing digits for Solution:
x + 7 = 9
x = 9 – 7
x = 2
5 + 4 = 9 Thus the missing digit is 2

Example 5.
How do you find the missing digits for Solution:
1 + 5 = 6
2 + 4 = 6
1 + 3 = 4
6 + 1 = 7 Therefore the missing digits are 7 and 6

Example 6.
How do you find the missing digits for Solution:
Subtract the 4-digits numbers
Subtract the numbers in ones place value
2 – 0 = 2
Subtract the numbers in tens place value
Let the missing digit be x.
5 – x = 4
5 – 4 = x
x = 1
Subtract the numbers in hundreds place value
9 – 8 = 1
Subtract the numbers in thousands place value
x – 2 = 6
x = 6 + 2
x = 8 Thus the missing numbers are 8 and 1.

Example 7.
How do you find the missing digits for Solution:
Let the missing number be x.
Add the number in one’s place.
5 + x = 9
x = 9 – 5
x = 4
Thus the missing number in one place value is 4.
Add the number in the tens place.
2 + 7 = 9
Add the numbers in the hundreds place.
Let the missing number be y.
1 + y = 7
y = 7 – 1
y = 6
Thus the missing number in hundreds place is 6.
Add the number in thousands’ place.
3 + 2 = 5
Add the number in ten thousand place.
Let the missing number be z.
2 + z = 3
z = 3 – 2
z = 1
Thus the missing number in ten thousand place is 1. Example 8.
How do you find the missing digits for Solution:
Subtract the two 5-digit numbers
Subtract one’s place numbers.
Let the missing number be x.
6 – x = 5
6 – 5 = x
x = 1
Thus the missing digit in ones place is 1.
Now Subtract tens place numbers.
7 – 6 = 1
Now Subtract hundred’s place numbers.
Let the missing number be y.
5 – y = 5
5 – 5 = y
y = 0
Thus the missing digit in tens place is 0.
Now Subtract thousand’s place numbers.
8 – 6 = 2
Now Subtract numbers in the ten thousand places.
Let the missing number be z.
9 – 2 = z
z = 9 – 7
z = 2 Scroll to Top