This study investigated the effect of initial instruction on the processes children use to solve addition and subtraction word problems. Prior to instruction and following a two-month introductory ...

Segue Institute for Learning teacher Cassandra Santiago introduces a lesson on word problems to her first graders one spring afternoon. Credit: Phillip Keith for The Hechinger Report The Hechinger ...

This is a preview. Log in through your library . Abstract This study investigated 40 first-grade teachers' pedagogical content knowledge of children's solutions of addition and subtraction word ...