This is a straightforward riddle-solver problem. Students are reminded of the negative rules on the page and given a mix of positive and negative number arithmetic to solve. The rule reminder makes this wonderful for a homework assignment, sub-work, or just additional extra practice meant to be completed independently. I did keep it to whole numbers, but I welcome anyone who downloads it to adjust it to fractions or pop in some decimals if you want to. The answer key is on the last page making i