Natural numbers   »      

At the start of the website a
special problem was generated.

You have to find out how the
difference changes when the minuend and the subtrahend change.

Click on the correct answer.

Click on  check  to check your answer.

Click on  new  to create a new problem.

Can you top 299 points?

Subtract natural numbers
Advanced exercise -level 1-
Note: Minuend - Subtrahend = Difference

... more than just practicing

for free education