Number Factory: Background Information |
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Summary | Four numbers presented in a factory. With these numbers and the operations +, -, x, and : try to make a calculation that has the given number as answer. You can also use brackets in your calculation. This applet is similar to the applet Number Card. |
Subject | number sense | number, estimation |
Age Group | primary education | middle school (gr. 7-8) |
Programmer | Michiel Doorman |
Author | Michiel Doorman |
Version | revised version |
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