Solve · Color · Reveal

Color by Math

Solve the problem, find the color, fill the square — and a hidden picture appears. Math practice that feels like play, with a reward on every page.

A Color by Math worksheet beside its full-colour answer key, showing a hidden owl picture

How it works

Every page is a puzzle twice over: get the answers right, and the picture builds itself square by square.

Color by Math — Summer math workbook with color by number hidden picture activities, ages 8-10
Ages 8–10

Color by Math — Summer

50 hidden pictures built from summer scenes — watermelons, beaches and sunshine — with all four operations in the mix.

  • Add, subtract, multiply & divide to 100
  • 50 hidden pictures — a reward on every page
  • Full-colour answer keys online — scan and check
Coming soon
Color by Math — Back to School math workbook with color by number hidden picture activities, ages 6-8
Ages 6–8

Color by Math — Back to School

The gentlest way back into the school year: backpacks, pencils and chalkboards hiding inside addition and subtraction practice.

  • Addition & subtraction to 100 — the right first step
  • 50 hidden pictures — school-day scenes
  • Full-colour answer keys online — scan and check
Coming soon
Color by Math — Halloween math workbook with color by number hidden picture activities, ages 8-10
Ages 8–10

Color by Math — Halloween

Pumpkins, bats and friendly monsters appear as times tables click into place. Spooky enough to be fun, never scary.

  • Multiplication & division to 100
  • 50 hidden pictures — Halloween scenes
  • Full-colour answer keys online — scan and check
Coming soon

Like revealing pictures?

The same idea, on screen and free: flip two cards that make the same answer and watch the pairs disappear.

Play Memory Math