Every lesson in the library
The full table of contents for Math, Science, English and Social Studies. Every lesson listed here has its own animated video, hands-on practice, and a quiz.
There are no grade labels on purpose. Your child can search any topic and open it, whether it sits above or below the grade they're enrolled in — so a seventh grader who never got a firm grip on fractions can go back for it, and one who's ready to move on isn't held back.
Math
Ratios and Proportional Relationships
- Introduction: Ratios and Proportional Relationships
- Understanding Ratios and Ratio Language
- Writing Ratios in Different Forms
- Understanding Unit Rates
- Using Rate Language in Real-World Contexts
- Making Tables of Equivalent Ratios
- Finding Missing Values in Ratio Tables
- Plotting Equivalent Ratios on the Coordinate Plane
- Comparing Ratios Using Tables
- Solving Unit Pricing Problems
- Solving Constant Speed Problems
- Using Tape Diagrams and Double Number Lines to Solve Ratio Problems
- Understanding Percent as a Rate per 100
- Finding a Percent of a Quantity
- Finding the Whole Given a Part and a Percent
- Converting Measurement Units with Ratio Reasoning, Part 1
- Converting Measurement Units with Ratio Reasoning, Part 2
- Review and Wrap-Up: Ratios and Proportional Relationships
- Computing Unit Rates with Whole Numbers
- Computing Unit Rates with Fractions
- Unit Rates with Different Units (Lengths, Areas)
- Recognizing Proportional Relationships
- Testing for Proportional Relationships Using Tables
- Testing for Proportional Relationships Using Graphs
- Finding the Constant of Proportionality in Tables and Diagrams
- Finding the Constant of Proportionality in Graphs and Verbal Descriptions
- Writing Equations for Proportional Relationships
- Interpreting Points on a Proportional Graph
- Meaning of (0, 0) and (1, r) on a Proportional Graph
- Solving Multistep Ratio Problems
- Solving Percent Problems: Tax, Tip, and Discount
- Solving Percent Problems: Percent Increase and Decrease
The Number System
- Introduction: The Number System
- Understanding Division of Fractions with Visual Models
- Computing Quotients of Fractions
- Word Problems: Dividing Fractions by Fractions
- Dividing Multi-Digit Whole Numbers Using the Standard Algorithm
- Adding and Subtracting Multi-Digit Decimals
- Multiplying Multi-Digit Decimals
- Dividing Multi-Digit Decimals
- Finding the Greatest Common Factor (GCF)
- Finding the Least Common Multiple (LCM)
- Using the Distributive Property with Common Factors
- Positive and Negative Numbers in the Real World
- Opposites and the Opposite of an Opposite
- Plotting Rational Numbers on a Number Line
- Ordered Pairs and the Four Quadrants
- Reflections Across the Axes in the Coordinate Plane
- Plotting Rational Numbers in the Coordinate Plane
- Comparing Rational Numbers on a Number Line
- Writing and Interpreting Inequalities in Real-World Contexts
- Understanding Absolute Value as Distance from Zero
- Distinguishing Absolute Value from Order
- Graphing Points and Solving Problems in Four Quadrants
- Finding Distances Between Points Using Coordinates
- Review and Wrap-Up: The Number System
- Opposite Quantities That Combine to Make Zero
- Adding Rational Numbers on a Number Line
- Additive Inverses: A Number Plus Its Opposite
- Adding Rational Numbers in Real-World Contexts
- Subtraction as Adding the Additive Inverse
- Distance Between Two Rational Numbers
- Properties of Operations for Addition and Subtraction
- Multiplying Signed Numbers Using the Distributive Property
- Rules for Multiplying Rational Numbers, Part 1
- Rules for Multiplying Rational Numbers, Part 2
- Dividing Integers and Signed Quotients
- Interpreting Quotients in Real-World Contexts
- Properties of Operations for Multiplication and Division
- Multiplying and Dividing All Rational Numbers
- Converting Rational Numbers to Decimals with Long Division
- Terminating and Repeating Decimals
- Solving Real-World Problems with Rational Numbers, Part 1
- Solving Real-World Problems with Rational Numbers, Part 2
- Rational Numbers and Their Decimal Expansions
- Showing That Rational Numbers Have Repeating Decimals
- What Are Irrational Numbers?
- Converting Terminating Decimals to Fractions
- Converting Repeating Decimals to Fractions, Part 1
- Converting Repeating Decimals to Fractions, Part 2
- Approximating Irrational Numbers with Rationals
- Estimating Square Roots Between Two Integers
- Refining Estimates of Irrational Numbers to the Tenths
- Comparing the Size of Irrational Numbers
- Locating Irrational Numbers on a Number Line
- Estimating the Value of Expressions with Irrationals
Expressions and Equations
- Introduction: Expressions and Equations
- Understanding and Writing Exponents
- Evaluating Numerical Expressions with Exponents
- Writing Algebraic Expressions from Words
- Parts of an Expression: Terms, Factors, and Coefficients
- Order of Operations with Whole Numbers
- Evaluating Algebraic Expressions at Given Values
- Evaluating Expressions from Real-World Formulas
- Using Properties to Generate Equivalent Expressions
- Combining Like Terms and the Distributive Property
- Identifying Equivalent Expressions
- What Is a Solution? Checking with Substitution
- Using Variables to Represent Unknowns in Problems
- Solving Equations of the Form x + p = q
- Solving Equations of the Form px = q
- Writing Inequalities for Real-World Constraints
- Graphing Inequalities on a Number Line
- Independent and Dependent Variables
- Equations, Tables, and Graphs of Two-Variable Relationships
- Review and Wrap-Up: Expressions and Equations
- Adding Linear Expressions with Rational Coefficients
- Subtracting Linear Expressions with Rational Coefficients
- Expanding Linear Expressions Using the Distributive Property
- Factoring Linear Expressions
- Rewriting Expressions to Reveal Meaning in Context
- Solving Multi-Step Problems with Rational Numbers
- Estimation and Assessing Reasonableness of Answers
- Writing Equations from Word Problems
- Solving Equations of the Form px + q = r
- Solving Equations of the Form p(x + q) = r
- Comparing Algebraic and Arithmetic Solution Approaches
- Writing Inequalities from Word Problems
- Solving and Graphing Inequalities of the Form px + q > r or px + q < r
- Interpreting Inequality Solutions in Context
- Properties of Integer Exponents: Product and Quotient Rules
- Properties of Integer Exponents: Power of a Power and Negative Exponents
- Square Roots and Solving x² = p
- Cube Roots and Solving x³ = p
- Irrational Numbers: Why √2 is Irrational
- Estimating Large and Small Quantities with Powers of 10
- Comparing Quantities: How Many Times as Much
- Adding and Subtracting in Scientific Notation
- Multiplying and Dividing in Scientific Notation
- Choosing Appropriate Units and Interpreting Technology Output
- Graphing Proportional Relationships and Unit Rate as Slope
- Comparing Proportional Relationships in Different Forms
- Using Similar Triangles to Understand Slope
- Deriving y = mx and y = mx + b
- Solving Linear Equations with Rational Coefficients
- Solving Equations Using the Distributive Property and Like Terms
- One Solution, No Solution, or Infinitely Many Solutions
- Systems of Equations: Solutions as Points of Intersection
- Solving Systems by Graphing
- Solving Systems by Substitution
- Solving Systems by Elimination
- Real-World Problems with Systems of Equations
Geometry
- Introduction: Geometry
- Area of Right Triangles
- Area of Any Triangle by Decomposing
- Area of Parallelograms and Trapezoids
- Area of Polygons by Composing and Decomposing
- Real-World Area Problems
- Volume with Unit Fraction Cubes
- Volume of Rectangular Prisms with Fractional Edges
- Applying V = lwh and V = bh to Real-World Problems
- Drawing Polygons in the Coordinate Plane
- Finding Side Lengths Using Coordinates
- Solving Real-World Problems on the Coordinate Plane
- Nets of Three-Dimensional Figures
- Surface Area Using Nets, Part 1: Prisms
- Surface Area Using Nets, Part 2: Pyramids and Real-World Problems
- Review and Wrap-Up: Geometry
- Understanding Scale Drawings and Scale Factors
- Computing Actual Lengths from Scale Drawings
- Computing Actual Areas from Scale Drawings
- Reproducing a Scale Drawing at a Different Scale
- Drawing Triangles from Given Side Lengths
- Drawing Triangles from Given Angle Measures
- Unique Triangles, Many Triangles, or No Triangle
- Slicing Right Rectangular Prisms
- Slicing Right Rectangular Pyramids
- Circumference of a Circle
- Area of a Circle
- Relating Circumference and Area of a Circle
- Complementary and Supplementary Angles
- Vertical and Adjacent Angles
- Writing and Solving Equations for Unknown Angles
- Area of Composite Two-Dimensional Figures
- Volume of Right Prisms
- Surface Area of Cubes and Right Prisms
- Real-World Problems with Area, Volume, and Surface Area
- Exploring Translations
- Exploring Reflections
- Exploring Rotations
- Properties Preserved by Transformations: Parallel Lines
- Transformations on the Coordinate Plane
- Congruence Through Sequences of Transformations
- Describing Sequences That Show Congruence
- Dilations and Scale Factor
- Similarity Through Sequences of Transformations
- Angle Sum and Exterior Angles of Triangles
- Angles Formed by Parallel Lines and a Transversal
- Angle-Angle Criterion for Similar Triangles
- Proving the Pythagorean Theorem
- The Converse of the Pythagorean Theorem
- Pythagorean Theorem: Finding Unknown Side Lengths
- Pythagorean Theorem in Three Dimensions
- Distance Between Two Points on the Coordinate Plane
- Volume of Cylinders
- Volume of Cones
- Volume of Spheres
Statistics and Probability
- Introduction: Statistics and Probability
- What Makes a Question Statistical?
- Describing Data Distributions: Center, Spread, and Shape
- Measures of Center vs. Measures of Variation
- Displaying Data with Dot Plots
- Displaying Data with Histograms
- Displaying Data with Box Plots
- Finding the Mean of a Data Set
- Finding the Median of a Data Set
- Calculating Interquartile Range (IQR)
- Calculating Mean Absolute Deviation (MAD)
- Reporting Observations and Describing the Attribute Measured
- Describing Patterns and Outliers in Context
- Choosing the Right Measure Based on Data Shape
- Review and Wrap-Up: Statistics and Probability
- Populations, Samples, and Representative Sampling
- Why Random Sampling Works
- Drawing Inferences from a Random Sample
- Variation Across Multiple Samples
- Comparing Two Data Distributions Visually
- Measuring Differences Between Centers Using Variability
- Comparing Two Populations Using Measures of Center and Spread
- Understanding Probability as a Number Between 0 and 1
- Estimating Probability from Long-Run Relative Frequency
- Predicting Frequencies from Known Probabilities
- Building a Uniform Probability Model
- Building a Non-Uniform Probability Model from Data
- Comparing Model Probabilities to Observed Frequencies
- Compound Events and Sample Spaces
- Representing Sample Spaces with Lists, Tables, and Tree Diagrams
- Finding Probabilities of Compound Events
- Designing Simulations for Compound Events
- Constructing Scatter Plots from Bivariate Data
- Identifying Positive, Negative, and No Association
- Linear vs. Nonlinear Association in Scatter Plots
- Spotting Clusters and Outliers in Scatter Plots
- Informally Fitting a Straight Line to Data
- Assessing the Fit of a Linear Model
- Writing the Equation of a Line of Best Fit
- Interpreting Slope in a Linear Model, Part 1
- Interpreting the y-Intercept in a Linear Model, Part 2
- Using Linear Models to Make Predictions
- Constructing Two-Way Frequency Tables
- Calculating Relative Frequencies in Two-Way Tables
- Using Relative Frequencies to Describe Association
Functions
- Introduction: Functions
- What Is a Function? Inputs and Outputs
- Identifying Functions from Tables and Mappings
- Graphs of Functions and the Vertical Line Test
- Linear Functions and y = mx + b
- Recognizing Nonlinear Functions
- Comparing Functions in Different Representations, Part 1
- Comparing Functions in Different Representations, Part 2
- Finding Rate of Change from Two Points
- Finding Initial Value from a Table or Graph
- Constructing Linear Function Models from Word Problems
- Interpreting Slope and Intercept in Context
- Analyzing Graphs: Increasing, Decreasing, Linear, Nonlinear
- Sketching Graphs from Verbal Descriptions
- Review and Wrap-Up: Functions
Science
Structure, Function, and Information Processing
- Introduction: Structure, Function, and Information Processing
- Investigating Pond Water: Evidence That Living Things Are Made of Cells
- Modeling a Cell: How Organelles Work Together to Keep the Cell Alive
- Arguing How the Body's Subsystems Interact When You Sprint Up the Stairs
- Tracing the Signal: How Sensory Receptors Send Messages to the Brain When You Touch a Hot Pan
- Review and Wrap-Up: Structure, Function, and Information Processing
Growth, Development, and Reproduction of Organisms
- Introduction: Growth, Development, and Reproduction of Organisms
- Arguing How Peacock Displays and Flower Petals Boost Reproductive Success
- Explaining Why Tomato Plants in the Same Garden Grow to Different Sizes
- Modeling Why Strawberry Runners Produce Clones but Seeds Produce Variety
- Review and Wrap-Up: Growth, Development, and Reproduction of Organisms
Energy Transfer and Weather
- Introduction: Energy Transfer and Weather
- Investigating Why Sand and Water Heat Up Differently in the Sun
- Arguing How a Falling Meteor Heats Up: Tracking Kinetic Energy Changes
- Designing and Iterating a Thermos to Keep Cocoa Hot on a Cold Day
- Comparing Insulator Prototypes to Engineer a Better Cooler
- Modeling How a Puddle Disappears: The Sun-Driven Water Cycle
- Collecting Weather Data to Explain a Sudden Thunderstorm from Colliding Air Masses
- Modeling Why Deserts and Rainforests Sit Where They Do: Global Circulation Patterns
- Review and Wrap-Up: Energy Transfer and Weather
Earth's Resources and Human Impacts
- Introduction: Earth's Resources and Human Impacts
- Questioning the Causes Behind a Century of Rising Global Temperatures
- Defining Criteria and Constraints for Reducing a Local Pollution Source
- Designing and Evaluating Monitoring Methods to Minimize Human Impact on a Watershed
- Review and Wrap-Up: Earth's Resources and Human Impacts
Structure and Properties of Matter
- Introduction: Structure and Properties of Matter
- Modeling the Hidden Atoms Inside Water, Salt, and Diamond
- Investigating Rust, Bubbles, and Color Change: Did a Chemical Reaction Happen?
- Tracing Nylon and Plastic Bottles Back to Natural Resources
- Modeling Why an Ice Cube Melts and a Puddle Disappears
- Review and Wrap-Up: Structure and Properties of Matter
Chemical Reactions
- Introduction: Chemical Reactions
- Modeling Why a Sealed Bag of Baking Soda and Vinegar Keeps Its Mass
- Designing and Iterating a Hand Warmer That Releases Thermal Energy
- Comparing Cold Pack Prototypes to Combine the Best Features into a New Design
- Review and Wrap-Up: Chemical Reactions
Matter and Energy in Organisms and Ecosystems
- Introduction: Matter and Energy in Organisms and Ecosystems
- Explaining Why a Sealed Terrarium Plant Gains Mass from Air and Sunlight
- Modeling How a Bowl of Cereal Becomes Muscle, Motion, and Body Heat
- Modeling the Journey of Carbon Atoms Through a Forest Ecosystem
- Review and Wrap-Up: Matter and Energy in Organisms and Ecosystems
Ecosystems: Interactions, Energy, and Dynamics
- Introduction: Ecosystems: Interactions, Energy, and Dynamics
- Investigating Why Deer Populations Crash When Food Runs Low
- Explaining Why Clownfish and Anemones Always Live Together
- Arguing How the Return of Wolves Reshaped Yellowstone
- Evaluating Designs to Save Pollinators and Protect Our Food Supply
- Review and Wrap-Up: Ecosystems: Interactions, Energy, and Dynamics
Earth's Systems
- Introduction: Earth's Systems
- Modeling the Rock Cycle: Tracing a Pebble's Journey Through Earth's Spheres
- Explaining the Grand Canyon: How Geoscience Processes Reshape Earth's Surface Over Time
- Investigating Matching Fossils Across Oceans: Evidence for Moving Continents
- Review and Wrap-Up: Earth's Systems
Earth and Human Activity
- Introduction: Earth and Human Activity
- Explaining Why Copper Mines and Oil Fields Cluster in Certain Places
- Forecasting the Next Big One: Analyzing Earthquake and Hurricane Data to Design Mitigation Technologies
- Review and Wrap-Up: Earth and Human Activity
- Arguing from Evidence: How a Growing City's Water Demand Strains Local Aquifers
- Defining the Problem: Designing a Solution to Reduce Plastic Waste in a School Cafeteria
- Evaluating Competing Designs: Comparing Renewable Energy Solutions for a Community Facing Resource Shortages
Forces and Interactions
- Introduction: Forces and Interactions
- Designing a Bumper to Survive a Collision
- Investigating How Force and Mass Change a Cart's Motion
- Questioning Data: What Makes Electromagnets Stronger?
- Arguing from Evidence: Why Do Objects Fall Toward Earth?
- Investigating Invisible Fields Between Magnets
- Modeling and Iterating a Magnetic Levitation Device
- Review and Wrap-Up: Forces and Interactions
Energy
- Introduction: Energy
- Graphing Crash Test Data: How Mass and Speed Change a Car's Kinetic Energy
- Modeling the Pull of Magnets and Falling Objects: Stored Energy in Interacting Systems
- Review and Wrap-Up: Energy
Waves and Electromagnetic Radiation
- Introduction: Waves and Electromagnetic Radiation
- Modeling Why Tsunami Waves Carry Devastating Energy: Amplitude and Energy Relationships
- Investigating Why You Can See Through Glass but Not Through a Mirror: Reflection, Absorption, and Transmission
- Arguing Why Your Streaming Video Looks Clearer Than Old TV Broadcasts: Digital vs. Analog Signals
- Review and Wrap-Up: Waves and Electromagnetic Radiation
Heredity: Inheritance and Variation of Traits
- Introduction: Heredity: Inheritance and Variation of Traits
- Modeling How a Single Gene Mutation Changes a Cat's Fur Color
- Review and Wrap-Up: Heredity: Inheritance and Variation of Traits
Biological Evolution: Unity and Diversity
- Introduction: Biological Evolution: Unity and Diversity
- Investigating Rock Layers: Reading the Fossil Record of Ancient Life
- Comparing Whale Flippers and Bat Wings: Inferring Evolutionary Relationships from Anatomy
- Why Do Chicken and Fish Embryos Look Alike? Analyzing Embryological Patterns
- Explaining the Peppered Moth: How Trait Variation Drives Survival
- From Wolves to Chihuahuas: Investigating Technologies That Shape Inherited Traits
- Modeling Beak Size Over Generations: Math Representations of Natural Selection
- Review and Wrap-Up: Biological Evolution: Unity and Diversity
Space Systems
- Introduction: Space Systems
- Modeling Why We See Moon Phases, Eclipses, and Seasons
- Modeling How Gravity Shapes Orbits in Our Solar System and Galaxy
- Investigating the Scale of Planets and Distances in the Solar System
- Explaining Earth's 4.6-Billion-Year History Using Rock Strata
- Review and Wrap-Up: Space Systems
English
Reading Literature
- Introduction: Reading Literature
- Citing Textual Evidence and Making Inferences
- Determining Theme and Summarizing
- Analyzing Plot and Character Development
- Figurative and Connotative Word Meanings
- Analyzing Text Structure
- Developing Point of View
- Comparing Reading to Audio, Video, or Live Versions
- Comparing Themes Across Genres
- Reading Grade-Level Literature with Independence
- Review and Wrap-Up: Reading Literature
- Determining Theme and Writing Objective Summaries
- Analyzing How Story Elements Interact
- Figurative and Connotative Meaning; Sound Devices
- Analyzing Form and Structure in Drama and Poetry
- Comparing and Contrasting Points of View
- Comparing Texts to Their Audio, Film, or Staged Versions
- Comparing Fictional and Historical Accounts
- Reading Complex Literature with Confidence
- Citing Strong Textual Evidence
- Analyzing Dialogue and Incidents in Stories
- Comparing the Structure of Texts
- Point of View, Dramatic Irony, Suspense, and Humor
- Evaluating Filmed or Live Productions of Stories
- Modern Fiction and Its Roots in Myths and Traditional Stories
- Reading Complex Literature Independently
Reading Informational Text
- Introduction: Reading Informational Text
- Citing Textual Evidence and Making Inferences
- Determining Central Idea and Summarizing
- Analyzing How Key Ideas Are Developed
- Figurative, Connotative, and Technical Word Meanings
- Analyzing Text Structure
- Determining Author's Point of View and Purpose
- Integrating Information from Different Media and Formats
- Tracing and Evaluating Arguments and Claims
- Comparing Two Authors' Presentations of the Same Topic
- Reading Literary Nonfiction with Confidence
- Review and Wrap-Up: Reading Informational Text
- Citing Textual Evidence to Support Analysis and Inferences
- Determining Central Ideas and Writing Objective Summaries
- Analyzing Interactions Between Individuals, Events, and Ideas
- Determining Word Meaning and Analyzing Word Choice
- Analyzing Text Structure and How Sections Contribute to the Whole
- Comparing Texts to Audio, Video, and Multimedia Versions
- Comparing How Different Authors Present the Same Topic
- Reading and Comprehending Grade-Level Literary Nonfiction
- Citing the Strongest Textual Evidence
- Determining Central Idea and Writing Objective Summaries
- Analyzing Connections Between Individuals, Ideas, and Events
- Word Meaning: Figurative, Connotative, and Technical Language
- Analyzing Paragraph Structure and the Role of Sentences
- Author's Point of View and Response to Conflicting Viewpoints
- Evaluating Different Mediums for Presenting Information
- Delineating and Evaluating Arguments and Claims
- Analyzing Conflicting Information Across Texts
- Reading Complex Literary Nonfiction Independently
Writing
- Introduction: Writing
- Writing Arguments to Support Claims
- Writing Informative/Explanatory Texts
- Writing Narratives
- Producing Clear and Coherent Writing
- Planning, Revising, and Editing Your Writing
- Using Technology to Produce and Publish Writing
- Conducting Short Research Projects
- Gathering Information and Assessing Source Credibility
- Drawing Evidence from Literary and Informational Texts
- Writing Routinely for a Range of Tasks
- Review and Wrap-Up: Writing
- Writing Arguments with Claims and Evidence
- Writing Informative and Explanatory Texts
- Using Technology to Publish and Collaborate
- Gathering and Citing Credible Sources
- Writing Routinely for Different Tasks and Audiences
- Writing Arguments
- Planning, Revising, and Editing
- Drawing Evidence from Texts to Support Analysis
- Writing Routinely for Various Tasks and Audiences
Speaking and Listening
- Introduction: Speaking and Listening
- Engaging in Collaborative Discussions
- Interpreting Information in Diverse Media and Formats
- Delineating a Speaker's Argument and Claims
- Presenting Claims and Findings Clearly
- Using Multimedia and Visual Displays in Presentations
- Adapting Speech to Context and Task
- Review and Wrap-Up: Speaking and Listening
- Engaging Effectively in Collaborative Discussions
- Analyzing Main Ideas in Diverse Media and Formats
- Evaluating a Speaker's Argument and Evidence
- Analyzing Information in Diverse Media
- Integrating Multimedia into Presentations
Language
- Introduction: Language
- Pronoun Mastery: Case, Intensive Pronouns, Shifts, and Vague References
- Punctuating Nonrestrictive Elements and Spelling Correctly
- Varying Sentence Patterns and Maintaining Style and Tone
- Strategies for Unlocking Unknown Words: Context, Roots, and References
- Figurative Language, Word Relationships, and Connotation
- Building and Using Academic Vocabulary
- Review and Wrap-Up: Language
- Phrases, Clauses, and Sentence Types
- Commas with Coordinate Adjectives and Spelling
- Precise and Concise Language: Cutting Wordiness
- Using Context Clues, Roots, and Reference Tools
- Building Academic and Domain-Specific Vocabulary
- Verbals, Voice, and Mood
- Using Voice and Mood for Effect
- Punctuation for Pause, Break, and Omission
- Context Clues, Roots, and Reference Tools
Reading in the Disciplines (Grades 6-8)
- Introduction: Reading in the Disciplines (Grades 6-8)
- Citing Textual Evidence in History and Science Texts
- Determining Central Ideas and Summarizing Sources
- Following Processes and Procedures in Texts
- Understanding Domain-Specific Vocabulary and Symbols
- Analyzing Text Structure in Disciplinary Texts
- Identifying Author's Point of View and Purpose
- Integrating Visual and Quantitative Information with Text
- Distinguishing Fact, Opinion, Reasoned Judgment, and Speculation
- Comparing Primary and Secondary Sources and Multimedia
- Reading Grade-Level History and Science Texts Independently
- Review and Wrap-Up: Reading in the Disciplines (Grades 6-8)
- Introduction: Reading in the Disciplines
- Domain-Specific Vocabulary in History and Science
- Review and Wrap-Up: Reading in the Disciplines
- Comparing Primary and Secondary Sources in History
- Comparing Texts with Experiments, Simulations, and Media in Science
- Reading Complex History and Science Texts Independently
Writing in the Disciplines (Grades 6-8)
- Introduction: Writing in the Disciplines (Grades 6-8)
- Writing Arguments in the Disciplines
- Writing Informative/Explanatory Texts in the Disciplines
- Producing Clear and Coherent Discipline-Specific Writing
- Planning, Revising, and Strengthening Your Writing
- Using Technology to Produce and Publish Writing
- Conducting Short Research Projects
- Gathering Sources, Assessing Credibility, and Citing
- Drawing Evidence from Informational Texts
- Writing Routinely: Long and Short Time Frames
- Review and Wrap-Up: Writing in the Disciplines (Grades 6-8)
- Writing Routinely Across Disciplines
- Gathering Sources, Evaluating Credibility, and Citing Evidence
- Writing Routinely for Discipline-Specific Tasks
Every one of these comes with a video, practice, and a quiz.
One subscription covers all four subjects — $39/mo per child.
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🏛️Social Studies
Early Humans and the Rise of Civilization
Mesopotamia, Egypt, and Kush
The Ancient Hebrews and Judaism
Ancient Greece
Ancient India
Early China
Ancient Rome
The Decline and Fall of the Roman Empire
The Rise of Islam
Imperial China in the Middle Ages
The West African Kingdoms of Ghana and Mali
Medieval Japan
Medieval Europe
The Maya, Aztec, and Inca Civilizations
The Renaissance
The Reformation
The Scientific Revolution
Exploration, the Enlightenment, and the Age of Reason
Revolution and the Founding of a New Nation
The U.S. Constitution
Foundations of American Government
Ideals and Life in the Early Republic
Foreign Policy in the Early Republic
A Changing Nation: The Industrial Northeast
A Changing Nation: The Slaveholding South
A Changing Nation: Westward Expansion
Abolition and the Reform Movements
The Civil War
Reconstruction
Industrialization and the Transformation of America