Unlock the Mystery of Missing Numbers!

Discover the missing piece in addition puzzles with our interactive Missing Addend Calculator. Just enter the sum and one addend, and let the magic happen!

Find the Missing Addend

Enter the sum and one addend to calculate the missing number in the addition equation.

Enter the total amount.

Enter one of the addends.

Result:

Missing Addend:

Calculation Steps:

Visual Representation:

Addend 1

+

Missing Addend

=

Sum

Understanding Missing Addend

The Missing Addend is the number that is unknown in an addition problem where you are given the sum and one of the addends. For example, in the equation 5 + ? = 10, the missing addend is 5. Our tool helps you quickly find this missing number.

Use this calculator to easily solve for missing addends in your math problems! It's particularly useful for elementary students learning addition and subtraction, and for anyone who needs a quick way to solve these types of problems.