Color by Number & Color by Math

Solve each square, find the matching color in the key, and watch a hidden picture appear. Use plain numbers for little ones or math facts for practice that feels like a game.

In short: Make free color by number and color by math worksheets: pixel-art pictures solved with numbers, letters, addition, subtraction or multiplication facts, with a color key and answer page.

How color by number works

Each square on the grid has a clue. Kids find the answer in the color key and color the square to match. When every square is colored, a hidden picture appears β€” a heart, a house, a fish, a rainbow and more.

Five ways to play

Click Shuffle to get new math problems with the same picture β€” great for repeated practice without memorizing the answers. The color key prints the color name too, so it works on black-and-white printers.

Frequently asked questions

What is color by math?

A worksheet where each square shows a math problem; kids solve it and color the square using the key, revealing a hidden picture.

Does color by number work in black and white?

Yes. The key lists color names next to each swatch, so it works on any printer.

What age are these color by number pages for?

Numbers and letters suit ages 3–6. Addition and subtraction suit ages 6–8, and multiplication ages 8–10.

Does it work on a black-and-white printer?

Yes. The color key shows each color’s name next to the swatch, so kids know which crayon to use.

Is there an answer key?

Yes. Turn on the answer page to print the finished, colored picture.

Is it free?

Yes, completely free.

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