Trying to Stay Positive on the Negative Number Worksheets

 It's hard to stay positive when we've had so much trouble with negative numbers lately. I get that the whole "subtracting-a-negative-is-the-same-as-adding-a-positive" thing is like an infinite loop, snake eating it's own tail, universe collapsing deal. But even if you just memorize it, seriously, honestly, do we need forty worksheets to pound it in? Really? Apparently. [Negative Number Addition and Subtraction Worksheets](//www.dadsworksheets.com/worksheets/negative-numbers.html)