The image contains handwritten mathematical expressions and drawings.

Mathematical Expressions and Drawings

• The image shows a piece of paper with blue ink drawings and handwriting.
• There are several boxes drawn at the top, possibly representing a grid or a sequence.
• Below the boxes, there are mathematical expressions written out: "1+2=", "8+4=", and "5+".
• There are also some symbols that appear to be tally marks or part of an equation, such as "|||" and "===".
• Additionally, there is text written vertically on the left side, which appears to be "TECT" or a similar word.
• The background suggests a wooden surface.