Grade 4

Free lessons for Grade 4: pick a subject for explanations, worked examples, practice questions and flashcards.

39 lessons

Grade 4 Math

10 lessons
  • Area of a Rectangle

    The child measures area by counting unit squares, links the area of a rectangle to multiplication and uses square centimeters and square meters.

  • Converting Units

    The child converts between metric units of length, mass, capacity and time and solves measurement problems with mixed units.

  • Measuring Angles

    The child estimates, measures and draws angles in degrees with a protractor and names acute, obtuse, right and reflex angles.

  • Number Patterns and Missing Numbers

    The child continues and explains number patterns with a term-to-term rule and finds missing numbers in number sentences using inverse operations.

  • Place Value and Rounding

    The child reads, writes, orders and rounds four-digit numbers and partitions them by place value.

  • Lines of Symmetry

    The child describes 2D shapes by sides, corners and symmetry, finds lines of symmetry and completes symmetric pictures.

  • Right Angles and Parallel Lines

    The child recognizes angles as turns, identifies right angles, compares other angles with them and finds parallel and perpendicular lines.

  • Opinion and Persuasive Essays

    The child writes a multi-paragraph opinion or persuasive piece with an introduction, reasons supported by facts and details, linking phrases and a conclusion, and a balanced discussion of two sides.

  • Theme and Point of View

    The child works out a story's theme from details, describes and compares characters in depth and explains how first- and third-person narration shape a story.

  • Context Clues, Prefixes and Suffixes

    The child works out unknown words from context, prefixes, suffixes and root words, uses dictionaries and thesauruses, and tells literal from nonliteral meanings.

  • Narrative Writing

    The child plans, drafts, revises and edits stories and true accounts with events in order, details, description and dialogue.

  • Forms of Energy

    The child explains that faster things have more energy, that energy moves as light, sound, heat and electric current, and that fuels and the Sun are energy sources.

  • Puberty and Life Stages

    The child describes the stages of human life from baby to old age and the body changes of puberty, with accurate vocabulary and reassurance that timing varies.

  • Heart and Lungs

    The child explains how the heart, blood vessels and lungs work together to carry oxygen and nutrients, takes a pulse before and after exercise, and links diet, exercise, smoking and drugs to health.

  • Parts of a Plant

    The child explains what each part of a flowering plant does, shows how water travels up a stem, and describes how flowers make seeds that are spread.

  • Fair Tests

    The child plans a fair test, decides what to change, measure and keep the same, takes repeat readings, and presents results in tables, bar charts and line graphs to draw a conclusion.

  • Rocks, Soils and Fossils

    The child compares and groups rocks by appearance and simple tests, explains how fossils form, and finds out what soil is made of.

  • Teeth and Digestion

    The child names the main parts of the digestive system, describes the types of teeth and how to look after them, and follows food on its journey through the body.

  • Volcanoes and Earthquakes

    The child describes Earth's layers, explains how weathering and erosion slowly change land, and why volcanoes and earthquakes happen where they do, and how people reduce the harm.

  • African American History

    The child meets African Americans whose courage, ideas and work shaped the United States, follows their story from African homelands and slavery to freedom, civil rights and today, and explains why the country remembers…

  • Earning, Spending and Saving Money

    The child learns that people earn money by working and use it to buy goods and services, chooses between spending, saving and sharing, saves for a goal with a simple plan and keeps money safe.

  • Explorers and Reformers

    The child finds out why sailors set out to find new sea routes, what happened when Europeans met the peoples of the Americas, Africa and Asia, and how printing, new art and new ideas about the Church changed Europe.

  • Latitude, Longitude and Time Zones

    The child locates places with latitude and longitude, names the tropics and polar circles, and explains why the time differs around the world.

  • Levels of Government

    The child explains what governments do, who makes, carries out and judges laws in the town, the state and the nation, names the three branches and their leaders, and says how leaders are chosen.

  • Resources and Trade

    The child names the natural, human and capital resources used to make goods and services, explains why people and places specialise and trade, and weighs a choice by what is given up.

  • Maya, Aztec and Inca

    The learner describes the Maya, Aztec and Inca states and the diversity of other Indigenous peoples of the Americas, including those of present-day Brazil, and their achievements.

  • US States, Capitals and Regions

    The child names and finds the five regions of the United States, the 50 states and their capitals, Washington, D.C. and the US territories, and describes what makes each region different.

  • Germs, Clean Air and Water

    The child explains how germs spread in places people share and how everyone helps to stop them, why clean air, clean water and safe rubbish collection keep a community healthy, and who in the community works to keep…

  • Healthy Eating

    The child sorts foods into groups using the national food guide, plans a balanced plate and snacks, and understands why water, fruit and vegetables matter.

  • Exercise, Sleep and Hygiene

    The child explains why daily activity, enough sleep, handwashing and toothbrushing keep them healthy, and builds routines for them.

  • Health Labels, Ads and Medicines

    The child spots how adverts and packaging try to make them want food, toys and health products, reads simple labels, knows that medicines are taken only from a trusted adult, and knows where to find health help and…

  • Inside Our Devices

    The child names the parts of a computer system, explains input, processing, output and storage, and recognises computers inside everyday objects.

  • Online Safety

    The child keeps personal information private, uses strong passwords, behaves kindly online and knows when and how to tell a trusted adult.

  • Keyboard and Computer Basics

    The child types with a touch-typing technique, uses a mouse, trackpad and touch screen, saves, names and finds files in folders, and uses common tools to write, edit and share a simple document.

  • Variables in Games

    The child uses variables for scores, timers and user input, and explains how the value of a variable changes as a program runs.

  • What Is AI for Kids

    The child spots AI in everyday tools, trains a simple model by sorting labelled examples, sees how new or unfair examples change its answers, compares how people and machines learn, and uses an AI tool responsibly.

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