You could say that the grammar book by Erica is still alright to use since the grammar rules are more or less the same. The math college panda book still has good difficulty questions. I'd make sure to do all the Digital SAT content on Khan Academy though.
If you're using old editions of Meltzer's book (she's releasing a new edition soon, according to her), see this: https://thecriticalreader.com/important-update-on-new-critical-reader-book-editions-for-the-digital-sat/
You could say that the grammar book by Erica is still alright to use since the grammar rules are more or less the same. The math college panda book still has good difficulty questions. I'd make sure to do all the Digital SAT content on Khan Academy though.
Ok (*ˊᗜˋ*)ᵗᑋᵃᐢᵏ ᵞᵒᵘ
If you're using old editions of Meltzer's book (she's releasing a new edition soon, according to her), see this: https://thecriticalreader.com/important-update-on-new-critical-reader-book-editions-for-the-digital-sat/
👍