Published on Texas Gateway (https://texasgateway.org)
Teacher Editions

Module 1: Sums and Differences to 10, Teacher Edition
Module 2: Introduction to Place Value Through Addition and Subtraction Within 20, Teacher Edition
Module 3: Ordering and Comparing Length Measurements as Numbers, Teacher Edition
Module 4: Place Value, Comparison, Addition and Subtraction to 40, Teacher Edition
Module 5: Identifying, Composing, and Partitioning Shapes, Teacher Edition
Module 6: Place Value, Comparison, Understanding Income with Addition and Subtraction to 100, Teacher Edition

Additional Days School Year (ADSY)

OER K-5 Math Grade 1 Additional Days School Year (ADSY)

K-5 Math Grade 1 Manipulatives Kit

Manipulatives Kit