This 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! Each page includes computation and word problems. It includes complete keys. It is aligned with Envision Unit 9 for 5th grade. Examples and ample work space are provided in a kid-friendly appealing format. This is a sample of our first lesson. Please look for the entire fraction unit in our Double the Fun store.