Missing Number in Subtraction Worksheets

Missing Number in Subtraction Worksheets

Finding the missing minuend or subtrahend in a subtraction problem involves identifying the unknown quantity in an equation. Here are the general steps to find the missing minuend or subtrahend:

Example 1: Finding the Missing Minuend
Problem:
? - 5 = 8
What number, when subtracted by 5, equals 8?
Add the subtrahend (5) to the result (8) to find the missing minuend.
5 + 8 = 13
The missing minuend is 13, so the completed equation is
13 − 5 = 8.

Example 2: Finding the Missing Subtrahend
Problem: 9 - ? = 4
What number, when subtracted from 9, equals 4?
Subtract the result (4) from the minuend (9) to find the missing subtrahend.
9 − 4 = 5
The missing subtrahend is 5, so the completed equation is
9 − 5 = 4.

By practicing finding missing minuends or subtrahends in subtraction problems, students can deepen their understanding of the relationship between addition and subtraction.

Have a look at this video, if you need to review how to find the missing number in subtraction.

• Find unknown (missing) numbers using related facts

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More Missing Number in Subtraction Worksheets

Printable
(Answers on the second page.)
Missing Number in Subtraction Worksheet #1
Missing Number in Subtraction Worksheet #2

Related Worksheets & Lessons

Missing Subtrahend (eg. 6 - __ = 4)
Missing Minuend (eg. __ - 3 = 5)

Subtraction with numbers within 10 (eg. 8 - 2)

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