This is a self-checking practice page that is common core aligned. To check their answers, students simply plug the answers into a riddle. If the answer makes sense, their answers are right! This page includes computation and word problems. It includes complete keys. It is aligned with Envision Unit 10 for 5th grade. Examples and ample work space are provided in a kid-friendly appealing format. Please look for the entire fraction unit in our Double the Fun store.