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a cartoon leafy seadragona cartoon weedy seadragon

Seadragon Sort

Seadragon Sort Addition

In this free math game you match addition facts to their answers by dropping seadragons into aquaria, ducks into bathtubs, dragons into flagons and more. Six levels of increasing difficulty or build your own level in practice mode.

a blue screen with buttons and sea creatures Play Now

Note for Mobile Users: The Unity Web player is designed for a desktop or laptop computer. On Mobile devices Unity will give you a warning about compatability, but it still plays on some phones and tablets. Try to tap on full screen (lower right) to get it to resize to your device.

  • Silly Graphics.
  • Simple game play.
  • A fun way to practice addition.
  • Addition facts up to 25
  • Animated flashcards
aquaria sitting on cartoon trees with numbers.  Helicopter carrying a dragon labeled 7+8

Seadragon Sort Subtraction

In this sequel to Seadragon Sort Addition you practice subtraction facts while dropping seadragons into fishbowls, dragons onto moving trucks, leaves into baskets and more.

Seadragon Sort Subtraction Play Now

Note for Mobile Users: The Unity Web player is designed for a desktop or laptop computer. On Mobile devices Unity will give you a warning about compatability, but it still plays on some phones and tablets. Try to tap on full screen (lower right) to get it to resize to your device.

  • Subtraction Problems
  • New levels
  • Different flyers
  • Moving buckets
cauldron, dead trees, a jack-o-lantern, a bat