1. Evaluating Expressions in Single Variable Evaluate each algebraic expression by substituting the given value of the variable. These 6th grade pdf worksheets are split into three levels based on the number of operations involved and the values of the variables.
2. Evaluating Expressions in Single Variable. Evaluate each algebraic expression by substituting the given value of the variable. These 6th grade pdf worksheets are split into three levels based on the number of operations involved and the values of the variables.
3. Create free worksheets for evaluating expressions with variables (pre-algebra / algebra 1) or grades 6-9. Control the number of operations in the problems, workspace, the number of problems, border around the problems, and additional instructions.

1. Evaluate Algebraic Expressions Pdf
2. Evaluating Simple Algebraic Expressions Worksheet Pdf
3. Evaluating Algebraic Expressions Worksheet Grade 6 Pdf

Evaluating Expressions Worksheet 2– Here is a ten problem worksheet where you or your students can practice evaluating algebraic expressions for different values. You will be asked to plug in values for the variables and then perform the appropriate order of operations.

Grade 8 Maths Algebraic Expressions and Identities Multiple Choice Questions (MCQs)

1. What are the co-efficients of y in the expression yz² + 5?
(a) 5
(b) z
(c) z²
(d) None of these

2. The constant term in the expression 1 + x² + x is
(a) 1
(b) 2
(c) x
(d) x²

3. The expression x + y – xy is:
(a) Monomial
(b) Binomial
(c) Trinomial
(d) Quadrinomial

4. From the following expressions 3ab, a², b², a, 5ab, -2ab, 2a² the three like terms are:
(a) 3ab, 5ab, -2ab
(b) a², a, 2a²
(c) 3ab, a², b²
(d) 2a², a², a

5. The value of expression 5n – 2, when n = -2 is:
(a) -12
(b) 8
(c) 1
(d) -8

6. If the length of each side of the equilateral triangle is l, then the perimeter of the equilateral triangle is:
(a) 3l
(b) 3 + 1
(c) 3 – l
(d)

7. Which of the following is trinomial:
(a) 2a + 6b – 1
(b) 1
(c) 5a – 7
(d) a + b + c – 3

8. The value of expression 5n² + 5n – 2 for n = -2 is
(a) 13
(b) 3
(c) 8
(d) 12

9. The expression for the statement: “y multiplied by 10 and then 7 added to product”.
(a) 10 + y + 7
(b) 7y + 10
(c) 10y + 7
(d) 10y

10. The numerical co-efficient of y in the expression 2x + 3y + 7z is:
(a) 2
(b) 3
(c) 7
(d) 3y

11. ‘2’ is common factor of the expressions:
(a) 12a² b, 15ab²
(b) 5xy, 10x
(c) 10x², -18x³, 14x⁴
(d) 33y, -22z

12. The area of a rectangle is ‘xy’ where V is length and ly’ is breadth. If the length of rectangle is increased by 5 units and breadth is decreased by 3 units, the new area of rectangle will be:
(a) (x – y)(x + 3)
(b) xy + 15
(c) (x + 5)(y – 3)
(d) xy + 5 – 3

13. The product of a², 2a², 5a¹⁰ is
(a) 10 a¹⁴
(b) 7 a¹⁴
(c) 10 a²²
(d) 10 a⁴⁰

14. Which of the following expression is trinomial:
(a) xyz
(b) xy + z
(c) x + y + z
(d) x + yz

15. Value of expression a(a² + a + 1) + 5 for ‘ a’ = 0 is:
(a) a + 5
(b) 1
(c) 6
(d) 5

16. Evalute (4x + y)² by suitable identity:
(a) 4x² + y² + 8x
(b) 4x + y + 8xy
(c) 16x² + y² + 8xy
(d) 16x² + y² + 8

17. (a – b)² is equal to:
(a) a² + b² – 2ab
(b) a² – b² + 2ab
(c) a² – b²
(d) (a – b)(a + b)

18. If ab = 6 and a + b = 5 then the value of (a² + b²) is:
(a) 11
(b) 12
(c) 13
(d) 16

19. If x – y = 7 and xy = 9, then the value of (x² + y²) is:
(a) 64
(b) 67
(c) 63
(d) None of these

20. If = 4, then the value of is:
(a) 14
(b) 12
(c) 16
(d) None of these

Class 8 Maths Algebraic Expressions and Identities Fill In The Blanks

1. The number of terms in the product of (3x² + 6xy + 5y²) and (3x + 4y – 13) is ……………….. .
2. In the product of (4a³ + 5a² – 11a) and (-15 + 3a – 7a²), the co-efficient of a⁴ is …………………… .
3. The value of (3a – 4b + 2) × (5a + 6) for a = 1 and b = -2 is ……………… .
4. The value of is ………………. .
5. Find the product: (A + B).(A – B).(A² + B²).(A⁴ + B⁴) = ………………….. .

Class 8 Maths Algebraic Expressions and Identities True(T) Or False(F)

1. If, a + = 7, then a² + = 49
2. The product of a binomial and a trinomial will always have 5 terms.
3. (3x² + 5y²) × (5x⁵ + 8y³) = 15x⁷ + 24x²y³ + 25x⁵y² + 40y⁵

Class 8 Maths Algebraic Expressions and Identities Very Short Answer Type Questions

1. What are the co-efficients of y in the expression 4x – 3 y?
2. What is the statement for the expression 3mn + 5
3. What is the numerical co-efficient of y² in the expression 2x²y – 15xy² + 7y
4. What must be subtracted from 2a + b to get 2a – b.
5. What must be added to 3x + y to get 2x + 3y?
6. What should be value of ‘a’ if y² + y – a equals to 3 for y = 1?

Class 8 Maths Algebraic Expressions and Identities Short Answer Type Questions

1. What must be added to 7z³ – 11z² – 129 to get 5z² + 7z – 92 ?
2. If (3x – 5y) = 10 and xy=5, then find the value of 9x² + 25y².
3. If x + y = 9 and xy= 14, find x² – y².
4. If 3x + 2y = 12 and xy = 6, find the value of 9x² + 4y².

Evaluate Algebraic Expressions Pdf

Class 8 Maths Algebraic Expressions and Identities Long Answer Type Questions

Evaluating Simple Algebraic Expressions Worksheet Pdf

1. Given (x² + y²) = 74 and xy = 35, find the value of x + y and x – y.
2. If x + = 4, find the value of
3. Using suitable identities evaluate the following:
(i) (93)²
(ii) (12.5)² – (7.5)²
(iii) 93 × 109

Evaluating Algebraic Expressions Worksheet Grade 6 Pdf

Worksheets for Class 8 Maths