Part-Part-Whole Tool Box Manipulative for Word Problems Help your students master word problems with this engaging and interactive Part-Part-Whole Tool Box Manipulative! Perfect for your classroom Math Tool Kits, this hands-on resource allows students to easily break apart word problems and determine whether to use addition or subtraction to solve them. Features: Laminate for Durability: Print, laminate, and reuse! This tool is designed to withstand repeated use in the classroom.Supports Criti