12 Questions
What do variables x
, y
, and z
represent in algebra?
Unknown or changing quantities
Which type of expressions can be written in the form of ax + b
?
Linear expressions
What is the main purpose of equations in algebra?
To relate variables and constants
What is the process of finding the values of variables that satisfy an equation called?
Solving equations
Which type of equations contain only one variable raised to the first power?
Linear equations
What do sets of two or more equations that involve the same variables represent?
Linear systems
What type of equations do students in class 8 learn about, including methods like substitution and elimination?
Linear equations in one variable
Which topic in class 8 mathematics covers the study of shapes, formulas, and the Pythagorean theorem?
Geometry
What does the study of Properties of integers in class 8 mathematics explore?
Properties of integers
In class 8, which topic involves dealing with fractions in various forms like mixed numbers, improper fractions, and decimals?
Fractions and Decimals
What are the two variables usually used to represent systems of linear equations in class 8 mathematics?
'x' and 'y'
Which method is NOT used for solving systems of linear equations in class 8 mathematics?
Derivative method
Study Notes
Mathematics in Class 8: An Introduction to Algebra and Beyond
In the realm of mathematics, class 8 marks a significant milestone in a student's learning journey. At this stage, the foundational concepts of arithmetic are augmented with algebraic principles, setting the stage for deeper explorations of the subject. In this article, we'll delve into the fascinating world of algebra and other topics in math that students encounter in class 8.
Algebra
Algebra forms the backbone of class 8 mathematics, introducing students to the world of variables, expressions, equations, and solving basic systems of linear equations. Algebraic concepts in this class include:

Variables: Symbols, such as
x
,y
, andz
, used to represent unknown or changing quantities. 
Linear expressions: Expressions that can be written in the form of
ax + b
, wherea
andb
are constants. 
Equations: Statements that relate variables and constants using operators such as
+
,
,*
,/
, and=
.  Solving equations: Process of finding the values of variables that satisfy an equation.
 Linear equations: Equations that contain only one variable raised to the first power.
 Systems of linear equations: Sets of two or more equations that involve the same variables.
Linear Equations in One Variable
Students in class 8 will learn about linear equations in one variable, including their graphical representation and solutions via methods such as the substitution method and elimination method.
Systems of Linear Equations
This topic introduces students to systems of linear equations in two variables, x
and y
, and their graphical representation and solutions. Students will learn the methods of solving systems of linear equations, including substitution, elimination, and the use of the graphical method.
Other Topics
In addition to algebra, class 8 mathematics also covers other important topics, including:
 Fractions and decimals: Dealing with fractions in their various forms, including mixed numbers, improper fractions, and decimal representation.
 Rational numbers: Numbers represented in the form of fractions and decimals.
 Integers: Whole numbers, positive and negative.
 Properties of integers: Exploring the properties of integers, such as the commutative, associative, and distributive properties.
 Geometry: Involving the study of shapes, formulas, and theorems such as the Pythagorean theorem.
Mathematics in class 8 is an exciting and formative period for students. By introducing the principles of algebra, it sets the foundation for higher levels of mathematics, while also providing a solid understanding of fundamental arithmetic concepts. With a strong grasp of algebra, students will be wellequipped to tackle more advanced topics in future mathematics courses.
Explore the foundational concepts of algebra, linear equations, fractions, decimals, rational numbers, integers, properties of integers, and geometry covered in class 8 mathematics. Understand variables, linear expressions, equations, systems of linear equations, and their solutions.
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