Printables

A few puzzles need something extra on the table: pieces to cut out, a code chart, a key to chess moves. The sheets are all here, free.

• Tangram pieces

  Seven pieces cut from one square. Print them, cut them out and lay them right on the Tangram puzzles.

• How chess moves are written

  One page that explains how chess moves are written down, so a grown-up and a child can read the answers to the chess puzzles together.

• Morse code

  Three pages to read together: where Morse code came from, the chart of every letter, and messages to decode.

• 16842101011Binary numbers

  A light switch has two settings, on and off. Line up five of them and you can name every letter of the alphabet. This page explains how.