Two students in Danielle Adler’s kindergarten class at Marcus Hook Elementary School in Marcus Hook, Pa., prepare for an addition problem. Credit: Holly Korbey for The Hechinger Report The Hechinger ...

Child playing with different color wooden rings on a board with painted numbers and dots. In Jodie Murphy’s kindergarten class in Aston, Pennsylvania, math lessons go beyond the basics of counting and ...

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...