Binary Conversion Color by Code | Halloween Tech & Math Worksheets | STEM Printable | Computer Science Activity for Grades 3–5

🎃 Spook-tacular STEM fun! 🎃

Help your students learn how computers “think” with this festive, printable resource that turns binary conversion into a fun and visual Halloween activity!

Designed for grades 3–5, these printable worksheets reinforce key computer science concepts like binary-to-decimal & decimal-to-binary conversion, logical reasoning, and place value—all through color-by-number style puzzles.

Themed pages include: Jack-o’-lantern, Haunted House, Spider, and Witch. Students must decode the numbers to reveal the correct color. It’s the perfect blend of technology and art—with zero screens required!

💡 OBJECTIVES:
Convert between binary (base-2) and decimal (base-10)
Practice logical reasoning and computational thinking
Build confidence in early tech fluency
Combine math with creativity for cross-curricular learning

📦 WHAT'S INCLUDED:
4 themed binary code + color worksheets:
1) Witch Flying
2) Haunted House
3) Jack-o’-Lantern
4) Spider Web

🧠 Binary conversion chart
🧾 Teacher guide with differentiation tips
✅ Answer keys for all 4 activities
🧒 Activities scaffolded from beginner to intermediate
💡 Creative extensions for fast finishers & STEM centers

🛠️ MATERIALS NEEDED:
Printed PDF worksheets
Colored pencils or markers
Optional: Binary reference chart (included)
Just brains – no screens needed!

📌 TERMS OF USE:
This resource is for personal, single-classroom, homeschool, or family use only. You may print and use it with your students or children as often as you'd like. Please do not share digitally, post the file online, or distribute for commercial purposes. If another educator or family would like to use this product, kindly direct them to my shop.

Thank you for respecting the work and creativity behind this resource!