Mathematics

Everyday Math by Published by McGraw Hill:

Everyday Math is a structured, rigorous, and proven program that helps students learn mathematical reasoning and develop strong math skills and supports the Colorado 2020 Math Standards in grades K-6. 

The curriculum was developed by the University of Chicago School Mathematics Project to offer students a broad background in mathematics.

With Everyday Math you can expect:

A problem-solving approach based on everyday real world, relevant situations
An instructional approach that revisits concepts regularly.
Frequent practice of basic skills that is revisited over the course of the year and across grade levels. 
Opportunities for students to share their problem solving strategies with their peers are embedded throughout the lessons making it easy for teachers to facilitate discussions with students.