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Features
- Addresses addition and subtraction skills.
- Eighteen levels of difficulty to unlock.
- 10 questions in level.
- Different questions each time.
- Engaging graphics.
- Simple tap interface.- Best times are saved to the device for each level.
*If this is not the "Speed Grid Challenge" product you were looking for, you can check the other results by clicking this link
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Details were last updated on Jun 24, 2024 17:56 +08.
