If your child has an IEP, then accommodations have been given to them on Google classroom.
Your child has been assigned a hundreds chart and a multiplication chart to help them with adding, subtracting, multiplying, and division. This is listed under materials on google classroom.
Miss Criner's Google Classroom: Criner's Google Classroom
Mrs. Large's Google Classroom: Large's Google Classroom
Your child will be assigned a slightly different reading text that will either be at their level or it will be read aloud to them.
There is a modified assignment on Readworks for 4th grade. Follow the google classroom links to Readworks. There is a play button above the article that you can click on it for it to read to you.
In 3rd grade the passages were modified to an easier text to read. They are short 2-3 sentences passages.
If you need books to read you can go to funbrain and only click on the 1-4 leveled books to read or K-1 leveled books. Fun Brain Link.