Update README.md

Author: camelCaseSensitive

README.md

@@ -9,3 +9,15 @@ Browser tool for generating color by numbers pixel math worksheets for addition
 > Click the image above to try it live on GitHub Pages.
 
 ---
+
+<p align="left">
+  <a href="https://github.com/camelCaseSensitive/Pixel-Math-Worksheet-Generator-Add-Subtract/blob/main/Pikachu%20Pixel%20Math.pdf/">
+    <img src="./Pikachu Math Worksheet Blank.png" alt="Pikachu Pixel Math PDF" title="Pikachu Pixel Math PDF">
+  </a>
+</p>
+
+<p align="left">
+  <a href="https://github.com/camelCaseSensitive/Pixel-Math-Worksheet-Generator-Add-Subtract/blob/main/Pikachu%20Pixel%20Math.pdf/">
+    <img src="./Pikachu Math Worksheet Answers.png" alt="Pikachu Pixel Math PDF" title="Pikachu Pixel Math PDF">
+  </a>
+</p>