calculation Game

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play with kids or simply yourself to practice your calculation. sound effects make more fun.
Alexa will ask you 5 addition questions each game, and unlock more sound effects when you play more than 10 questions.

level description:

easy: (one digital addition, e.g. 9 + 5)
medium: (two digital addition, e.g. 15 + 26)
difficult: (three digital addition, e.g. 315 + 110)

Alexa, will give you final scores after the game.

have fun and please share your feedback!