Algebraic Expressions and Identities
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Addition and Subtraction of Algebraic Expressions
SubtopicAddition and Subtraction of Algebraic Expressions under Algebraic Expressions and Identities for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Subtract from .
A.B.C.D. - 2.
Simplify: .
A.B.C.D. - 3.
What is the result of subtracting from ?
A.B.C.D. - 4.
Find the sum: .
A.B.C.D. - 5.
Subtract from .
A.B.C.D. - 6.
Add the polynomials: and .
A.B.C.D. - 7.
Simplify the expression: .
A.B.C.D. - 8.
Subtract from the sum of and .
A.B.C.D. - 9.
If , , and , find the result of .
A.(simplified as )
B.C.D. - 10.
Subtract the sum of and from .
A.B.C.D.
Download the worksheet for Algebraic Expressions and Identities - Addition and Subtraction of Algebraic Expressions to practice offline. It includes additional chapter-level practice questions.
Multiplication of Algebraic Expressions
SubtopicMultiplication of Algebraic Expressions under Algebraic Expressions and Identities for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Find the product of and .
A.B.C.D. - 2.
What is the result of ?
A.B.C.D. - 3.
Multiply the binomials and .
A.B.C.D. - 4.
Calculate the result: .
A.B.C.D. - 5.
Expand the product of three factors: .
A.B.C.D. - 6.
Expand: .
A.B.C.D. - 7.
Find the product: .
A.B.C.D. - 8.
Multiply the trinomial by the binomial .
A.B.C.D. - 9.
What is the constant term in the product ?
A.B.C.D. - 10.
Simplify .
A.B.C.D.
Download the worksheet for Algebraic Expressions and Identities - Multiplication of Algebraic Expressions to practice offline. It includes additional chapter-level practice questions.
Standard Identities: (a+b)², (a-b)², (a+b)(a-b)
SubtopicStandard Identities: (a+b)², (a-b)², (a+b)(a-b) under Algebraic Expressions and Identities for Grade 8 CBSE.
Preview questions (no answers)
- 1.
What is the square of ?
A.B.C.D. - 2.
Calculate using a standard identity.
A.B.C.D. - 3.
The expression is equivalent to:
A.B.C.D. - 4.
Expand .
A.B.C.D. - 5.
What must be added to to make it a perfect square ?
A.B.C.D. - 6.
Simplify .
A.B.C.D. - 7.
Which identity is best to evaluate ?
A.B.C.D. - 8.
Simplify the following expression by applying suitable algebraic identities:
A.B.C.D. - 9.
Expand .
A.B.C.D. - 10.
If and , find the area of a rectangle with sides and .
A.12
B.24
C.6
D.12.5
Download the worksheet for Algebraic Expressions and Identities - Standard Identities: (a+b)², (a-b)², (a+b)(a-b) to practice offline. It includes additional chapter-level practice questions.
Applying Identities
SubtopicApplying Identities under Algebraic Expressions and Identities for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Simplify using the identity .
A.B.C.D. - 2.
Expand using identities.
A.B.C.D. - 3.
Find the square of using .
A.B.C.D. - 4.
Calculate using .
A.B.C.D. - 5.
If , find the value of .
A.62
B.66
C.64
D.70
- 6.
Expand the expression .
A.B.C.D. - 7.
Expand the expression .
A.B.C.D. - 8.
If and , find the value of .
A.60
B.30
C.15
D.120
- 9.
Evaluate the value of the fraction using identities.
A.10
B.20
C.5
D.12
- 10.
If and , find the value of .
A.2.1
B.4.7
C.3.7
D.1.05
Download the worksheet for Algebraic Expressions and Identities - Applying Identities to practice offline. It includes additional chapter-level practice questions.