Decode 4 secret words written in binary boxes. Shaded boxes are 1s and empty boxes are 0s. Answers are on page 2.
How to use it
- Download the PDF and print it on A4 or US Letter paper. It fits both.
- Pencils and crayons work best. Felt-tip pens are great for colouring.
- Print as many copies as you like for your family, club or class.
Grown-ups: All our printables are free and made by us, with no sign-up. They work well as a calm, screen-free activity that still teaches computing ideas like loops, patterns and binary.