When I've bought math book for 1st Grade, I loved it so much, that I ordered all of them, Grade 2nd, 3rd, 4th and 5th!!! Im very happy to see how my son is excited to do his math homework now! Great choice for home schooling kids as well ! And you can use this book as extra math work for your kids, let them think, count, draw and even color funny illustration this book filled with. Its 600 questions and almost 300 pages! Very, very great and serious work was done to make this math book! I LOVE all of them !!!! HIGHLY RECOMMEND !!!