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A color-by-number star mosaic, with a key that says 1 is blue, 2 is red, and 3 is yellow.

Chapter 5: Counting the Treasure

Coloring by Numbers Coloring Page

"Data creates a picture."

A complex mosaic where 1=Blue, 2=Red. Reveals a secret pattern.

About this page

Page 75 hands the research over to the child completely. Every space holds a number, every number has a color, and only careful coloring reveals the secret picture hiding in the mosaic. This is data visualization a 4 to 8 year old can hold in their hands: numbers are not just for counting, they can paint a picture that no single number could show alone. It is the perfect capstone for this stretch of Chapter 5, and living proof that data is everywhere, even inside a coloring page. Following the code takes patience, and the reveal at the end is the reward.

The research skill

Using a key, also called a legend, to turn numbers into colors is the skill this star mosaic practices. The color key at the bottom says 1 is blue, 2 is red, and 3 is yellow, and only by following it faithfully does the pattern of stars fully appear. Researchers rely on legends every time they read a map, a color-coded graph, or a weather chart, since the key tells you what each color means. Chapter 5 is about letting data create pictures, and your child will read legends on school maps for years.

Try it at home

Make a secret color-code picture together on a sheet of paper with a hand-drawn grid of squares.

  1. Choose a key with your child, such as 1 is green, 2 is brown, and 3 stays blank.
  2. Write numbers in the squares so they form a simple shape, like a tree or a heart.
  3. Write the key at the bottom, just like this page does.
  4. Hand it to another family member to color, and watch whether the picture appears.

Talk about it while you color

  • What picture do you think is hiding in the mosaic before you start coloring?
  • Which number do you want to color first, the 1s or the 2s?
  • If you made a secret color code for a friend, what would each number mean?