Website
https://2simple.com/blog/using-purple-mash-when-school-closed/
Teachers can set up work for students and review when they're done. Purple Mash is a UK-based website that uses creative tools to teach Math, Spelling and Grammar. There is also a library of e-books and activities. Can be used on desktop or tablet.
https://2simple.com/blog/using-purple-mash-when-school-closed/
Free