Word Search-Style Puzzle. Find the Adjacent numbers that can be associated as in a subtraction problem (Minuend; Subtrahend; Difference).  
 
A creative challenge for your students to practice subtraction mental math and familiarization.
Minuends go up to 40.  Test your brain brawn and find the hidden problems with more than three terms! Example: A-B-C=D !  Number assocations can be found from left-to-right and top-to-bottom.
 
Appropriate for Grades 1 and 2.