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Brainy Bunch by Richa

Self-paced learning corner

Learn at your own pace, one chapter at a time

Concept lessons, recorded videos, presentations and chapter-wise notes for Classes 1–10. Tick off each one as you finish it to collect stars and earn badges.

Class

Subject

Type

25 items

  • Classes 4–8 Game

    Wordwall game

    Play and learn

    A quick interactive game from Richa. Play as many times as you like and try to beat your score.

  • MathematicsClass 1 Concept lesson

    Counting and number sense

    More, less and equal

    When we count, every number tells us how many things there are. The number after a number is one more. The number before it is one less.

    3 practice questions

    Start lesson
  • EnglishClass 1 Concept lesson

    Phonics and blending

    Blending sounds to read words

    Every letter makes a sound. To read a short word, we say each sound and then push the sounds together. This is called blending.

    3 practice questions

    Start lesson
  • ScienceClass 1 Concept lesson

    Living and non-living things

    Living and non-living things

    Everything around us is either living or non-living.

    3 practice questions

    Start lesson
  • MathematicsClass 2 Concept lesson

    Addition and subtraction

    Adding two-digit numbers

    A two-digit number is made of tens and ones. 34 is 3 tens and 4 ones.

    3 practice questions

    Start lesson
  • EnglishClass 2 Concept lesson

    Writing simple sentences

    Writing a simple sentence

    A sentence is a group of words that makes complete sense. “The dog runs.” is a sentence. “The dog” on its own is not, because we don't know what the dog does.

    3 practice questions

    Start lesson
  • ScienceClass 2 Concept lesson

    Plants and animals

    Parts of a plant

    Most plants have roots, a stem, leaves, flowers and fruits. Each part has a job.

    3 practice questions

    Start lesson
  • MathematicsClass 3 Concept lesson

    Times tables and division

    Multiplication as equal groups

    Multiplication is a quick way to add equal groups. 3 plates with 4 laddoos on each plate is 4 + 4 + 4 = 12. We write this as 3 × 4 = 12.

    3 practice questions

    Start lesson
  • EnglishClass 3 Concept lesson

    Grammar in context

    Common and proper nouns

    A noun is a naming word. It names a person, a place, an animal or a thing: girl, school, parrot, pencil.

    3 practice questions

    Start lesson
  • ScienceClass 3 Concept lesson

    Habitats and food chains

    Food chains

    A food chain shows who eats whom. The arrows point from the food to the animal that eats it: grass → deer → tiger.

    3 practice questions

    Start lesson
  • MathematicsClass 4 Concept lesson

    Fractions and decimals

    Equivalent fractions

    A fraction tells us how many equal parts we have. The bottom number (the denominator) says how many equal parts the whole is cut into. The top number (the numerator) says how many of those parts we have.

    3 practice questions

    Start lesson
  • EnglishClass 4 Concept lesson

    Vocabulary building

    Synonyms and antonyms

    Synonyms are words with the same or nearly the same meaning. Big and large are synonyms. So are happy and glad.

    3 practice questions

    Start lesson
  • ScienceClass 4 Concept lesson

    Water, air and soil

    The water cycle

    The water on Earth keeps moving in a never-ending loop called the water cycle.

    3 practice questions

    Start lesson
  • MathematicsClass 5 Concept lesson

    Measurement and data

    Perimeter and area of rectangles

    Perimeter is the distance all the way around a shape. To find the perimeter of a rectangle, add all four sides: length + breadth + length + breadth, or 2 × (length + breadth).

    3 practice questions

    Start lesson
  • EnglishClass 5 Concept lesson

    Reading comprehension

    Finding the main idea

    The main idea is what a passage is mostly about. The other sentences give details that support it.

    3 practice questions

    Start lesson
  • ScienceClass 5 Concept lesson

    The human body

    The digestive system

    Digestion is how the body breaks food down into tiny pieces it can use for energy and growth.

    3 practice questions

    Start lesson
  • MathematicsClass 6 Concept lesson

    Integers and ratio

    Adding and subtracting integers

    Integers are whole numbers that can be positive, negative or zero: …, −3, −2, −1, 0, 1, 2, 3, … Negative numbers are used for things like temperatures below zero or money owed.

    3 practice questions

    Start lesson
  • EnglishClass 6 Concept lesson

    Advanced grammar

    Subject–verb agreement

    The subject is who or what the sentence is about. The verb must agree with it: a singular subject takes a singular verb, and a plural subject takes a plural verb.

    3 practice questions

    Start lesson
  • ScienceClass 6 Concept lesson

    Matter and chemical changes

    Solids, liquids and gases

    Matter is anything that has mass and takes up space. Water, air, a stone and your own body are all matter.

    3 practice questions

    Start lesson
  • MathematicsClass 7 Concept lesson

    Algebraic expressions and equations

    Solving simple equations

    An equation says that two things are equal, like x + 5 = 12. The letter x stands for an unknown number. Solving the equation means finding that number.

    3 practice questions

    Start lesson
  • EnglishClass 7 Concept lesson

    Essays, letters and reports

    Writing a formal letter

    A formal letter is written to someone in an official role, such as a principal, an editor or an officer. It is polite, clear and to the point.

    3 practice questions

    Start lesson
  • ScienceClass 7 Concept lesson

    Cells and life processes

    Photosynthesis: how plants make food

    Green plants make their own food by a process called photosynthesis. “Photo” means light and “synthesis” means putting together.

    3 practice questions

    Start lesson
  • MathematicsClass 8 Concept lesson

    Data handling and percentages

    Finding percentages

    Per cent means “out of 100”. 25% means 25 out of 100, which is 25/100 = 1/4.

    3 practice questions

    Start lesson
  • EnglishClass 8 Concept lesson

    Poetry and prose analysis

    Simile, metaphor and personification

    Figures of speech help writers paint pictures with words. Three common ones are simile, metaphor and personification.

    3 practice questions

    Start lesson
  • ScienceClass 8 Concept lesson

    Motion, force and energy

    Force and pressure

    A force is a push or a pull. It can start or stop movement, change speed or direction, or change an object's shape. Force is measured in newtons (N).

    3 practice questions

    Start lesson

Videos, presentations and chapter notes are coming soon. Richa is preparing them chapter by chapter.