Broken Calculator Challenge – Target 25
List all the different ways you can make 25 on this calculator if it is
NOT broken.
| 1 |
7 * 4 - (7 - 4) = 28 -3 = 25 |
| 2 |
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| 3 |
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| 4 |
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| 5 |
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| 6 |
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| 7 |
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| 8 |
How many of these ways will work on the broken calculator? (The first one is done for you.)
(Only keys that work are: 7, divide key, 4, 6, times key, open and
close parenthesis, plus key, equal, and cancel.)
Try some more Broken Calculator challenges at
http://www.fi.uu.nl/toepassingen/00014/toepassing_rekenweb.xml?style=rekenweb&language=en&use=game