Complete the Addition Sentence up to Three Digits (Within 1000)

Consider the addition sentence:

? + 432 = 667

Let's find the missing addend in this addition sentence.

To find the missing number, we need to subtract 432 from 667.

	6	6	7
–	4	3	2

Subtract ones.

	6	6	7
–	4	3	2

5

Subtract tens.

	6	6	7
–	4	3	2

3

5

Subtract hundreds.

	6	6	7
–	4	3	2

2

3

5

So, the missing addend is 235.