CURRICULUM REFERENCES
What guides these books.
U.S. topic references, original teaching, and clear limits.
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
Reviewed November 1, 2026. Our lessons, examples and questions are independently authored for Little Play. Official education references guide topic progression.
Math
Common Core is a reference where adopted. State requirements and local materials can differ. Preschool activities are readiness-based; high-school topics may span course and grade bands.
Reading & language
Common Core is a reference where adopted. State requirements and local materials can differ. Preschool activities are readiness-based; high-school topics may span course and grade bands.
Science
NGSS provides grade and grade-band science expectations in adopting states. High-school biology, chemistry, physics and Earth science course order varies.
Social studies
C3 is an inquiry framework. States set their own history, geography, economics and civics content and sequence; it is not one nationwide social studies syllabus.
Introductory Spanish
ACTFL describes language communication goals. Spanish lessons here form an introductory written-language sequence; a grade number is not a proficiency rating or a speaking/listening assessment.
Use with your classroom textbook
Choose the same topic as your school chapter and check its worked example before practice. Exact publisher chapter numbers depend on the title and edition. Our chapter numbers belong to Little Play books.