IXL is a comprehensive, standards-aligned math practice program offering unlimited problems in thousands of skills. IXL will be assigned as homework to reinforce the day's lesson. IXL can also be used for extra math practice for 4th grade concepts. Your child's User-ID and password can be found in their Assignment Notebook. Please encourage your child to use IXL on a regular basis, even when it's not assigned for homework. When assigned for homework, students should achieve a Smart Score of 100 or spend 20 minutes on the lesson, whichever comes first.