Class 8 Maths - Algebraic Expressions and Identities CBSE Worksheets

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Q1: Terms with 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 sum or difference of two like terms may not like the given terms.

Q3: 1 is an algebriac expression.

Q4: The expression x + y + 5 x 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,8c respectively.

Q2: Simplify (p+q²)(p²−q)

Q3: If pq=3 and p+q=6, then (p²+q²) is

Q4: Simplify x(2x−1)+5 and find its value at x=−3

Q5: Find the value of 

Q6: Think of a number x. Multiply it by 3 and add 5 to the product and subtract y subsequently. Find the resulting number.

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

Q8: Find 194×206 using suitable identity

Q9: If find the value of

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

Q11: Find (3st+4t)²−(3st−4t)²

Q12: The area of a rectangle is uv where u is length and v is breadth. If the length of rectangle is increased by 5 units and breadth is decreased by 3 units. The new area of rectangle is?

Q13: If =27, find

Q14: Simplify using identity,

Q15: The sum of (x + 3) observations is (x⁴−81). Find the mean of the observations.

You can access the solutions to this worksheet here.