Answer key for a subtraction pre-algebra worksheet featuring missing value problems.
A worksheet titled "Easy Subtraction Pre-Algebra Problems" with a section for students to supply missing values in equations, labeled "Answer Key" at the top right. The worksheet includes various subtraction problems with blanks to be filled in, such as "8 - __ = 1" and "7 - 9 = 2". The logo of "DadsWorksheets.com" is visible at the bottom right.