Chapter 4 · Class 7 CBSE · Formula Sheet

Algebraic Expressions Formulas — Class 7 CBSE

Form and evaluate algebraic expressions using variables and constants.

Key Formulas

Term

\text{A number, a variable, or their product}

Like Terms

\text{Same variable part: } 3x^2 \text{ and } 5x^2

Addition of Like Terms

3x + 5x = 8x

Worked Examples

1Using: Linear Equation

Solve 3x + 5 = 20.

Step 1: 3x = 20 - 5 = 15.

Step 2: x = 15 / 3 = 5.

Answer: x = 5

2Using: Algebraic Identity

Expand (a + 3)^2.

Step 1: Using (a + b)^2 = a^2 + 2ab + b^2

Step 2: = a^2 + 6a + 9.

Answer: a^2 + 6a + 9

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More Class 7 CBSE Formulas

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Frequently Asked Questions

How many formulas are in Class 7 CBSE Algebraic Expressions?+
There are 3 formulas in the Algebraic Expressions chapter for Class 7 CBSE. Each formula is essential for solving problems in this topic.
How to remember Algebraic Expressions formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Algebraic Expressions formulas enough for exams?+
Yes, these formulas cover the complete CBSE Class 7 syllabus for Algebraic Expressions. Practice applying them to different types of questions for full exam readiness.

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