Class 7 Maths Ch 4: Expressions Using Letter‑Numbers – learn basic algebra with variables, write and simplify expressions from real‑life patterns and formulas, with notes, solved examples, extra questions and quiz for CBSE Exam

Complete Chapter 4 guide: idea of letter‑numbers (variables) and algebraic expressions, writing expressions from stories (ages, matchstick patterns, laddus, perimeter, money), using formulas like s = a + 3 or perimeter expressions, building and simplifying expressions by combining like terms, and modelling real‑life patterns with algebra (snail in a well, cycling practice, trains, traffic lights, grids), plus solved examples, practice questions and puzzles for CBSE Class 7 Maths

Updated : 2 days ago

Categories: Class 7 Mathematics, NCERT Maths Notes 2025, Algebra Basics, Expressions and Formulas, CBSE Exam Preparation, Practice Questions & Quizzes
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