- Skills covered are correlated to NCTM standards for Measurement. Numbers and Operations, and Geometry strands at the 1st-grade level- Subject matter is correlated to social studies and science topics taught nationwide at the 1st-grade level for effective interdisciplinary approach- Many activities include a Fun Facts section that imparts additional information about math, social studies, or science topics- Builds on 1st-grade math vocabulary and concepts- Larger font size creates greater reading ease for younger learners- Carefully selected images are appropriate for reading level- Contains a variety of photographs paired with activities for a real world approach