Class 8 Maths - Algebraic Expressions and Identities CBSE Worksheets

Fill in the blanks

Q1: Terms with the same algebraic factors are called ____________ terms.

Q2: A ________________ can take any value and ________________ has a fixed value.

Q3: An expression with one or more terms is called _____________

Q4: An expression with one term is called __________________ with two terms is ______________ and with three terms is _______________

Q5: An algebraic expression with equality sign is called ______________

State True or False

Q1: The degree of a constant term is 0

Q2: The difference between two like terms is a like term.

​Q3: 1 is an algebraic expression

Q4: The expression x + y + 5x is a trinomial.

Q5: In like terms, the numerical coefficients should also be the same

Answer the following questions

Q1: The volume of a rectangular box where length, breadth, and height are 2a,4b,8crespectively.

Q2: Carry out the multiplication of the expressions in each of the following pairs.
(i) p − q, 9pq²
(ii) b² − 16, 5b

Q3: Simplify x(2x−1)+5 and find its value at x=−3

Q4: Simplify the expression and evaluate them as directed:  2x(x + 5) - 3(x - 4) + 7 for x = 2

Q5: Add: x(x − y), y(y − z), and z(z − x)

Q6: Multiply: (m² + 3n²) × (2m − n)

Q7: From the sum of 3a−b+9 and −b−9, subtract 3a−b−9

Q8 Simplify the expression and evaluate them as directed:4y(3y - 2) + 5(y + 3) - 12for y = -1

Q9:Add 4x(2x + 3) and 5x² - 7x + 10.

Q10: Simplify (x²−3x+2)(5x−2)−(3x²+4x−5)(2x−1)