Work a little math into reading with your children. These picture books can make it fun!.
Pete the Cat and his Four Groovy Buttons by Eric Litwin. Pete the cat loves the buttons on his shirt so much that he makes up a song about them, and even as the buttons pop off, one by one, he still finds a reason to sing.
Ten Terrible Dinosaurs by Paul Strickland. A group of rollicking dinosaurs counts down from ten to one as it introduces subtraction to the reader.
365 Penguins by Jean-Luc Fromental. When a box containing a penguin arrives anonymously on New Year’s Day, a family of four is puzzled, and as they continue to receive one penguin a day throughout the year, their problems–and food budget, and storage issues–multiply.