# Expressions using Letter-Numbers Important Questions and Practice Set with Answers | NCERT Class 7 Mathematics | SwaVid

This chapter, 'Expressions using Letter-Numbers' (बीजगणितीय व्यंजक), introduces the fundamental concepts of algebra. You will learn about variables and...

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# Expressions using Letter-Numbers

## Which of the following represents '7 subtracted from the product of x and y'?

## Find the gaps before this chapter finds them for you.

## Related chapters

Chapter 4 · Class 7 Mathematics

This chapter, 'Expressions using Letter-Numbers' (बीजगणितीय व्यंजक), introduces the fundamental concepts of algebra. You will learn about variables and constants, and how they combine to form algebraic expressions. The chapter covers identifying terms, factors, and coefficients within expressions, and distinguishing between like and unlike terms. You will also master the addition and subtraction of algebraic expressions, understand how to evaluate expressions by substituting numerical values for variables, and apply these concepts to form general rules and formulas for various real-world situations and number patterns.

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Multiple Choice Questions · 1 / 15

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Source

- NCERT Class 7 Mathematics textbook: Ganita Prakash : Chapter 4: Expressions using Letter-Numbers

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