Integers   »
Integers ... multiply -2- permanence principle In the example on the right, two positive numbers were multiplied. You can let the program show you step by step how to multiply a positive number by a negative one. Click several times on  ? »  If you have understood this, you can solve some problems.

Click on  check  to check your answer.
Click on  new  to create a new problem.
Can you top 295 points?