Online Learning — USA
Serving Students Across All 50 States
Online Learning Platform for
Grades 2–8 Students in the USA
StealthGrade is the trusted K–8 online learning platform for families across the United States — delivering AI-powered practice across our full Math, Science, and Reading Comprehension curriculum with personalized homework help and a parent progress dashboard. See plans & pricing, or explore our Canada coverage.
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Find StealthGrade in Your City
Explore StealthGrade's Grades 2–8 online learning platform for your local city or metro area.
Why USA Families Trust StealthGrade
Aligned to Common Core and state standards — a complete online practice platform built around how American students in Grades 2–8 actually learn.
AI Tutor & Homework Help
Our AI tutor explains every question step-by-step in Math, Science, and Reading Comprehension — giving US students instant homework help any time of day.
Parent Dashboard
US parents get a live view of exactly which topics their child has mastered and where extra practice is needed — across every subject and grade level.
Personalized Learning
StealthGrade adapts to every student's pace and level — from 2nd grade basics to 8th grade algebra and advanced science, personalized to their exact needs.
Topics Covered — Grades 2 through 8
Every topic aligned to US Common Core and state curriculum standards.
- Addition & Subtraction up to 1,000
- Place Value (ones, tens, hundreds)
- Telling Time to the Nearest 5 Minutes
- Counting Money (coins & bills)
- Basic Geometry (2D & 3D Shapes)
- Measurement (length, weight, volume)
- Even & Odd Numbers
- Simple Word Problems
- Multiplication & Division Facts
- Fractions (halves, thirds, fourths)
- Area & Perimeter
- Rounding to Nearest 10 & 100
- Elapsed Time
- Graphs, Tables & Data
- Multi-step Word Problems
- Patterns & Number Sequences
- Multi-digit Multiplication
- Long Division
- Equivalent Fractions & Comparing
- Decimals to Hundredths
- Angles & Protractors
- Lines of Symmetry
- Factors & Multiples
- Measurement Conversions
- Adding & Subtracting Fractions
- Multiplying & Dividing Fractions
- Decimals to Thousandths
- Volume of Rectangular Prisms
- Coordinate Plane (Quadrant I)
- Order of Operations
- Powers of Ten
- Classifying 2D Figures
- Ratios & Unit Rates
- Percent, Discount & Tax
- Integers & Absolute Value
- Algebraic Expressions & Equations
- Area of Complex Shapes
- Surface Area & Volume
- Statistics (mean, median, mode)
- Coordinate Plane (all 4 quadrants)
- Proportional Relationships
- Adding & Subtracting Negative Numbers
- Solving Linear Equations
- Probability & Chance
- Circumference & Area of Circles
- Scale Drawings
- Sampling & Inference
- Angle Relationships
- Linear Functions & Slope
- Systems of Equations
- Exponents & Scientific Notation
- Pythagorean Theorem
- Transformations (translation, rotation)
- Volume of Cylinders, Cones & Spheres
- Bivariate Data & Scatter Plots
- Irrational Numbers
- Properties of Matter (solid, liquid, gas)
- Plants — Parts & Life Processes
- Animals — Habitats & Adaptations
- Earth's Features (land, water, air)
- Weather Patterns & Seasons
- Basic Ecosystems & Food Sources
- The Sun, Moon & Stars
- Observations & Scientific Method
- Life Cycles (butterfly, frog, plant)
- Food Chains & Food Webs
- States of Matter & Changes
- Forces & Motion (push, pull, gravity)
- Weather, Climate & Natural Disasters
- Soil & Rocks — Types & Uses
- Traits & Heredity Basics
- Animal Group Behaviors
- Electricity & Simple Circuits
- Magnetism & Magnetic Fields
- Rocks, Minerals & the Rock Cycle
- Ecosystems & Biodiversity
- Human Body — Organs & Systems
- Forms of Energy (heat, light, sound)
- Water Cycle & Earth's Resources
- Animal Adaptations
- Solar System & Space Exploration
- Earth's Layers & Landforms
- Mixtures & Solutions
- Ecosystems — Biomes & Adaptations
- Matter & Energy Transformations
- Earth's Water Cycle & Watersheds
- Human Impact on the Environment
- Light & Sound Waves
- Cells — Structure & Function
- Kingdoms of Living Things
- Earth's Structure & Plate Tectonics
- Forces, Motion & Newton's Laws
- Ecosystems — Energy Flow & Cycles
- Weather Systems & Atmosphere
- Chemical vs. Physical Changes
- Scientific Investigation & Data
- Genetics, DNA & Heredity
- Cell Division (mitosis & meiosis)
- Chemical Reactions & Equations
- Ecosystems — Biodiversity & Threats
- Human Body Systems
- Earth's History & Fossil Record
- Climate vs. Weather
- Atoms, Molecules & Periodic Table
- Laws of Motion & Newton's Laws
- Types of Energy & Conservation
- Waves — Light & Sound Spectrum
- Evolution & Natural Selection
- Earth's History & Geologic Time
- Climate Change & Earth's Systems
- Stars, Galaxies & the Universe
- Chemical Bonding & Reactions
- Main Idea & Supporting Details
- Story Elements (character, setting, plot)
- Phonics & Sight Words
- Sequencing Events
- Making Predictions & Connections
- Context Clues for New Words
- Fiction vs. Non-fiction Texts
- Retelling Stories
- Making Inferences from Text
- Text Features (headings, captions, bold)
- Summarizing Passages
- Cause & Effect Relationships
- Vocabulary in Context
- Compare & Contrast Characters
- Author's Message & Lesson
- Informational Text Structures
- Author's Purpose (inform, persuade, entertain)
- Point of View (first & third person)
- Literary Devices (simile, metaphor)
- Summarizing Informational Texts
- Drawing Conclusions from Evidence
- Compare & Contrast Themes
- Figurative Language
- Fact vs. Opinion
- Theme & Central Message
- Citing Text Evidence
- Multiple Points of View
- Informational vs. Literary Texts
- Vocabulary Strategies (root words, affixes)
- Analyzing Character Development
- Comparing Across Texts
- Evaluating Arguments
- Analyzing Argumentative Texts
- Figurative Language & Symbolism
- Citing Strong Textual Evidence
- Central Idea vs. Theme
- Word Relationships & Connotations
- Evaluating Author's Craft
- Comparing Media & Text
- Narrative Structure & Plot Elements
- Analyzing Complex Narrative Structure
- Rhetorical Devices in Persuasive Texts
- Informational Text Analysis & Synthesis
- Vocabulary in Context (academic words)
- Research Skills & Evaluating Sources
- Comparing Multiple Accounts
- Point of View & Bias
- Literary Analysis (theme, character arc)
- Critical Analysis of Complex Texts
- Rhetoric, Persuasion & Propaganda
- Evidence-Based Arguments
- Analyzing Foundational US Documents
- Figurative Language & Tone
- Media Literacy & Credibility
- Comparing Conflicting Sources
- Extended Research & Synthesis Writing
Start Your Child's Learning Journey Today
Thousands of families across the USA use StealthGrade's K–8 online learning platform for personalized Math, Science, and Reading Comprehension practice — available 24/7.