BURST SERIES: Developing fluency and part/whole relations to 100 (Grades 1, 2, and 3)
Name the Equation: Working within 100
This routine is designed to develop essential big ideas strategies in addition and subtraction. These include developing students’ fluency with the complements of 100 and relational thinking.
short and concise tutorial
Suggestions for differentiation
This reasoning routine is featured in Early Childhood Math Routines: Empowering Young Minds to Think, by Antonia Cameron, Patricia Gallahue, and Danielle Iacoviello. Visit the Stenhouse website to purchase this must have resource for early childhood educators.