KK Academy: Space Math

Blast off with math! 7,200 questions across addition, subtraction, multiplication, division, fractions, algebra and word problems. Every topic has a short lesson, and every wrong answer comes with a step-by-step explanation.

The Cadet level is free. Full Academy is a one-time purchase that opens the Pilot and Commander levels and removes all ads.

Questions, problems or ideas? Email khalid.k.shaheen@gmail.com and we will reply as soon as we can.

Restore a purchase: open Settings in the app and tap Restore. You will be asked to answer a quick check question first.

Progress: stars and answered questions are saved on the device. Deleting the app deletes the progress.

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