Binary Number Mystery Mosaic
Written by Adi Ackerman, Head Teacher
"Binary Number Mystery Mosaic" is written for 3rd Grade to 5th Grade (Ages 8-11). It also works a grade below or above: younger children can use it with an adult reading it aloud, and older ones as a quick refresher.
2 pages in this set
Binary number mystery mosaic for 3rd to 5th grade: 2 grids of 4-digit binary numbers to change to digits and color. Answer key included. Part of our Hour of Code coloring pages collection.
More Hour of Code activitiesHour of Code 2026: dates and teaching guide
How do I use this resource?
Do the first row together so students see how to add the places that show a 1. Use it for Hour of Code as a hands-on look at how computers store numbers.
What students will practice
- Introduces 3rd to 5th grade students to coding: giving clear step-by-step instructions, sequencing and finding bugs.
- Builds hand control and patience through careful coloring of detailed line art.
- Made for 3rd to 5th grade, and prints on US Letter paper for a lesson, a center or home.
Curriculum Links
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FAQ
How do I use the Binary Number Mystery Mosaic?
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Do the first row together so students see how to add the places that show a 1. Use it for Hour of Code as a hands-on look at how computers store numbers.
What is the Binary Number Mystery Mosaic?
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Two pages, Mystery Picture 1 and Mystery Picture 2. Each page has a 12 by 12 grid of 4-digit binary numbers and a color key for the digits 0 to 9. The direction explains that the places are worth 8, 4, 2 and 1, with the example 0110 = 4 + 2 = 6, and a 0 square stays white. The answer key shows both finished pictures.
Can I use the Binary Number Mystery Mosaic at home and in the classroom?
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Yes. We made it for 3rd Grade to 5th Grade coloring pages, and it works the same at home or at school. Families print it for one child and keep it where they will use it every day. Teachers print a copy per student or one for the whole room, whichever the day needs.
How many 3rd Grade to 5th Grade Hour of Code resources are there?
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9 printable resources, all free to preview. There are 30 Hour of Code resources in all, from Preschool to 5th Grade, gathered on our Hour of Code activities page. Downloads are included with a ClassWeekly free trial, and every page prints on standard 8.5 x 11 paper.
What age are Hour of Code resources for?
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These are written for 3rd Grade to 5th Grade students, roughly ages 8-11. Many teachers also use them a grade up for review or a grade down as an extension, so use the preview to judge the fit for a particular child.
Can I use these Hour of Code resources for homeschool?
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Yes. Nothing here assumes a classroom of 25, so they work the same one-to-one at the kitchen table as they do in a 3rd Grade to 5th Grade classroom, a learning center, or a tutoring session.
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Resource Details
| Grade | 3rd Grade to 5th Grade |
| Subject | Resources |
| Topic | Coloring Pages |
| Pages | 2 pages |
| Difficulty | Medium |
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