This virtual manipulative uses plus-minus chips to demonstrate adding positive and negative values.
Using this virtual manipulative you may:
Solve a problem using chips
When you drag a plus chip onto a negative chip they will animate and disappear to represent cancelling each other out.
A message will indicate if your answer is correct.
If you are incorrect, try again.
Try a new problem
Click. The workspace will be reset and a new problem will be displayed.