ctcmath
primarydigital sigaporemath
https://www.homeschoolbuyersco-op.org/homeschool-math-curriculum/
new kid in the block
https://www.homeschoolbuyersco-op.org/knowre/
teaching textbooks.....
there is lot of online options for math.....
this is not for games.
Try it out for 6 months... then only you can see what it does. But make sure you have finished the same grade in Math mammoth or CLE or teaching textbooks etc.. already
It kind of make sure you really under stood the concepts behind what you learned.....
It is a pretty good for test of concepts. Need to use Math mammoth or CTC math to teach the concepts,One can finish about 2 grades an year.
Have used for a whole year.