CBSE · Class 7 · Mathematics · Chapter 2

Arithmetic Expressions

Construct, interpret and evaluate arithmetic expressions while understanding the correct order of operations.

7 lessons 50 min
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Lessons in this chapter

  1. 1Simple Expressions and ComparisonsDiscover how a short expression can describe a situation, share a value with another expression, and be compared by reasoning.
  2. 2Brackets and Terms in ExpressionsLearn to see grouped quantities and signed terms so that every expression has a clear meaning.
  3. 3Swapping, Grouping, and Evaluating ExpressionsUse complete signed terms to rearrange calculations safely and describe costs, groups, payments and measurements.
  4. 4Removing Brackets and Tinkering with TermsUnderstand why signs change when a whole quantity is subtracted, then use the reasoning for comparisons and mental subtraction.
  5. 5The Distributive Property and Smarter MultiplicationSee how repeated groups explain bracket expansion, common factors and multiplication near convenient numbers.
  6. 6Applying and Creating ExpressionsCombine the chapter’s ideas to model real situations, check repeated patterns and create expressions under clear rules.
  7. 7Chapter Summary and PracticeConnect expression structure, signed terms and distribution, then apply them together in a full chapter review.
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