what homeschooling math is best for a 2nd grader?

Can you answer Rainbow kid’s question about Homeschooling?:

2+2=
doing math with money,adding,substractions, but is behind in math but is reading at a 2nd grade level.
We will be moving so i like to see her caught up for the next school year.
So I wanted to do some homeschooling with her in the summer that will help her.

Textbooks For Homeschooling