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| Number Invaders - Substract |
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2004 |
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| Freeware |
Educational |
Space invaders |
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| by: Rob Somerville |
HOME |
68 % |
| Windows |
English |
| Tested on winXP: runs fine |
last updated: 20-04-09 |
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Number Invaders - Substract | | |
English:
Making substractions while playing Space Invaders
Based on Space Invaders where the invaders are numbers that can only be destroyed if the correct answers can be calculated. In Invaders Subtract the teacher or student chooses how high A and B can be in a problem, A - B = ???. The questions are asked at the top of the screen and the student answers by shooting down the correct answers.
You can select a difficulty level (substractions up to 10, 20, ..100)
Controls:
Arrow keys = move
Space = shoot
Esc = exit game
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Click here to see the statistics of this game
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