In this free download is 20 problems of adding, subtracting, multiplying, and dividing integers. Students will solve a riddle as their answer key. *** ANSWER KEY IS INCLUDED *** This worksheet can be assigned as in class practice, for review before a quiz or test, on a sub day, for homework, for early finishers, for kids who need additional practice, for summer school, or however you choose to incorporate into your classroom and teaching practices. *** ADDITIONAL RESOURCES *** If you are lookin