As surely as 2+2=4, it also equals a beginning step on students’ mathematics journey. Single-digit addition facts like these are so heavily used in mathematics that it’s critical that students ...

April 16, 2026 - EdSource Editor-at-Large John Fensterwald explains how this election could reshape California schools. Math facts are single-digit calculations like 4+5=9 and 7×8=56 (“the times ...