How to create a Pixel Art Mystery Picture (editable) showing up in Google Sheets

How to create a Pixel Art Mystery Picture (editable) showing up in Google Sheets/Excel. 

You could use it for math and all other subjects.

The step by step instructions "How to create a Pixel Art Mystery Picture showing up in Google Sheets".

Table of Contents:

-Create a pixel art showing up in Google Slides/Excel from a scratch.

-How to add an option “If the answer is incorrect, the answer will turn red.”?

-Answers can be numbers or words.

-How to convert pictures into pixel art in Google Sheets or an Excel file?

-Create a pixel art picture covered with puzzles.

-How to share it with your students?

A created file will be EDITABLE.

You could use this file for math and all other subjects - change questions and answer key in a few minutes.

Check out Inspire Math Matematyka for more resources.