Explore Subjects

Discover engaging lessons, activities, and resources across every core academic area

Mathematics

Numbers, patterns, and problem-solving for every grade

Counting & Number Sense

Grades Kโ€“2

Build foundational understanding of numbers, counting, and basic operations.

Fractions & Decimals

Grades 3โ€“5

Master parts of a whole, equivalent fractions, and decimal relationships.

Pre-Algebra & Algebra

Grades 6โ€“8

Explore variables, equations, inequalities, and linear relationships.

Geometry & Measurement

Grades 3โ€“8

Discover shapes, angles, area, volume, and spatial reasoning concepts.

Algebra I & II

Grades 9โ€“11

Dive deep into polynomials, quadratics, functions, and systems of equations.

Statistics & Calculus

Grades 11โ€“12

Analyze data, probability, limits, derivatives, and integrals.

Science

Explore the natural world through inquiry and experimentation

Life Science

Grades Kโ€“5

Plants, animals, habitats, life cycles, and basic human biology.

Earth & Space Science

Grades 3โ€“8

Weather, geology, the solar system, and our planet's systems.

Physical Science

Grades 3โ€“8

Matter, energy, forces, motion, and simple machines.

Biology

Grades 9โ€“10

Cells, genetics, evolution, ecology, and the diversity of life.

Chemistry

Grades 10โ€“11

Atoms, the periodic table, chemical reactions, and stoichiometry.

Physics

Grades 11โ€“12

Mechanics, thermodynamics, waves, electricity, and magnetism.

English Language Arts

Read, write, speak, and think critically

Phonics & Early Reading

Grades Kโ€“2

Letter recognition, phonemic awareness, sight words, and decoding strategies.

Reading Comprehension

Grades 3โ€“8

Main idea, inference, text structure, and close reading techniques.

Creative & Expository Writing

Grades 3โ€“8

Narrative, persuasive, and informational writing with the writing process.

Grammar & Vocabulary

Grades Kโ€“12

Parts of speech, sentence structure, punctuation, and word study.

Literature Analysis

Grades 9โ€“12

Literary devices, theme, characterization, and critical literary essays.

Research & Rhetoric

Grades 9โ€“12

Research skills, argumentation, rhetoric, and academic writing.

Social Studies

Understand our world through history, geography, and civics

Community & Culture

Grades Kโ€“2

Neighborhoods, families, traditions, and basic map skills.

U.S. History

Grades 3โ€“8

From Indigenous peoples to modern America โ€” key events and figures.

World Geography

Grades 3โ€“8

Continents, countries, physical features, and human geography.

Civics & Government

Grades 6โ€“12

The Constitution, branches of government, rights, and responsibilities.

World History

Grades 9โ€“12

Ancient civilizations through contemporary global events.

Economics

Grades 9โ€“12

Supply and demand, markets, personal finance, and global economics.

Computer Science

Code, create, and think computationally

Unplugged Activities

Grades Kโ€“3

Computational thinking and sequencing without a computer.

Block-Based Coding

Grades 3โ€“6

Visual programming with Scratch-style drag-and-drop environments.

Web Development

Grades 6โ€“9

HTML, CSS, and introductory JavaScript for building websites.

Python Programming

Grades 7โ€“12

Text-based programming fundamentals with Python projects.

Data Science

Grades 9โ€“12

Data analysis, visualization, and introductory machine learning concepts.

AP Computer Science

Grades 10โ€“12

AP CSA and AP CSP exam preparation materials and practice problems.

Arts & Music

Express, create, and appreciate the beauty in our world

Drawing & Painting

Grades Kโ€“12

Fundamentals of line, shape, color, and composition at every level.

Music Fundamentals

Grades Kโ€“8

Rhythm, melody, instruments, and reading basic musical notation.

Art History

Grades 6โ€“12

Major art movements, artists, and cultural context through the ages.

Digital Arts

Grades 6โ€“12

Graphic design, digital illustration, photography, and multimedia projects.

Drama & Theater

Grades 3โ€“12

Acting, stagecraft, playwriting, and performance skills.

Music Theory & Composition

Grades 9โ€“12

Advanced theory, harmony, arrangement, and original composition.