Arithmetic Expressions
CBSE · Class 7 · Mathematics
Complete topic list for Arithmetic Expressions in CBSE Class 7 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.
Topics in Arithmetic Expressions
Simple Expressions and Their Values
- An arithmetic expression is a mathematical phrase using numbers and operations like 13+2, 20-4, 12×5, 18÷3
- Every arithmetic expression has a value - the number it evaluates to (e.g., 13+2 = 15)
- We use the equality sign '=' to show the relationship between an expression and its value
Terms in Expressions
- Terms are parts of an expression separated by '+' signs
- In 12+7, the terms are 12 and 7
- Subtraction is converted to addition: 83-14 becomes 83+(-14)
Properties of Addition - Commutative and Associative
- Commutative Property: Swapping terms doesn't change the sum (a+b = b+a)
- Associative Property: Grouping terms differently doesn't change the sum ((a+b)+c = a+(b+c))
- These properties work with negative numbers too
Order of Operations and Brackets
- Brackets clarify the order of operations in expressions
- Always evaluate expressions inside brackets first
- Without brackets, evaluate terms first (handle ×, ÷ within each term)
Key Concepts
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What are the important topics in Arithmetic Expressions for CBSE Class 7 Mathematics?
Arithmetic Expressions covers several key topics that are frequently asked in CBSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Arithmetic Expressions — CBSE Class 7 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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