Color by Code Math Coloring Pages with Answer Box. This pack contains 18 Coloring Worksheets (3 sets of 6 coloring sheets). You can give a different version for each student. All pictures have a colored answer key. Directions: Solve the math problem. Match the answer to a letter from the answer box. Color the picture by the letter. This is a fun and engaging way to learn! Elementary Basic Math Symbols: Addition, Subtraction, Multiplication, Division, Equal, Not Equal, Greater Than, Less Than,