Negativa tal
Inledning
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Aktivitet
GeoGebra behövs
Teori om negativa tal
Nedan ser du hur man kan göra några tricks när man räknar med negativa tal och få fram enkla regler.
- 20+(-5) = 15 + 5 + (-5) = 15
- Alltså: 20+(-5) = 20 - 5
- 20 - (-5) = 20 + 0 - (-5) = 20 + 5 + (-5)- (-5) = 20 + 5
- Alltså: 20 - (-5) = 20 + 5
Definition |
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Vad handlar det om
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Öva själv
Ett spel
You have to solve the task on the orange dropping card. Solve the task by clicking the correct number in the table of numbers located next to the task.
The goal is to achieve as many points as you can and to avoid getting stuck with a pile of cards... https://ggbm.at/eNyT6MUp
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Exit ticket
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