CBSE Class 7 Mathematics Algebraic Expression Worksheet Set A

CBSE Clas 7 Maths Worksheet - Algebraic Expression. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

Question. What is the number of diagonals that can be drawn from one vertex in a heptagon.
Answer : 4

Question. What should be added into x² + x + a to obtain x² + x – 3?
Answer : –3 – a

Question. Add the unlike terms : 8x, (-4/3) x, (2/3) y, 3p
Answer : (2/3 y+3P)

Question. Evaluate : 2a² + 3b² + 1c² if a = 1, b = 0, c = –4
Answer : 18

Question. What is the numerical coefficient of algebraic expression 13 – y².
Answer : –1

Question. Each ......... consists of 4 line segments. Find the total number of line-segments in the following figure ........... :
Answer : 16

Question. Add the algebraic expression :
(i) 7x – 4 and 3x + 1
(ii) Find the coefficient of x.
Answer : 10x – 3, 10

Question. Find the value of (a – b) (a + b) – (2a – b) (a + b) if a = 3, b = 2.
Answer : (–15)

Question. If a = 3, b = –3, find the value of a² + b².
Answer : 18

Question. If a = 5, b = –5, find the value of a² – b².
Answer : 0

Question. Simplify the following expression if x = 8
5x + 6(x – 3)
Answer : 70

Question. What should be subtracted from 3a + 7b – 16 to get 2a + 8b?
Answer : (+ a – b – 16)

Question. What is the coefficient of y in the term (3/4) x²yz² ?
Answer : (4/3) x² z²

Question. Side of a square is 2x cm. Find its area.
Answer : 4x² cm²

Question. Add a² + b² + c² – 3abc and a² – b² + c² + abc.
Answer : 2a² + 2c² – 2abc

Question. What is the number of diagonals that can be drawn from one vertex in an octagon?
Answer : 5

Question. If a = 2 find the value of a(1+1/a)
Answer : 3

Question. Simplify : 5a - {3a - (2 - a) + 4}
Answer : a – 2

Question. By how much is a² – 7a + 5 less than 3a² + 2a + 5?
Answer : 2a² + 9a

Question. Subtract 1 – 5y² from y³ + 7y² + y + 1.
Answer : y³ + 12y² + y

Question. Add the expressions 7a - 5ab + 4b, – 6a - ab - 8b and - 4a + 2ab + 3b.
Answer : –3a – 4ab – b

Question. Subtract x² - 3xy + 7y² - 5 from 6xy - 4x² - y² + 5
Answer : 9xy – 5x² – 8y² + 10

Question. Add all the terms : 12x, 12, 25x, – 25y, 1, x, 12y, y, –25
Answer : –12x – 12y – 12

Question. Base of a triangle is 2x units and its height is 3y units. Find the area of the triangle
Answer : 3xy square units

Question. By how much is 2x³ + 7x² – 5x + 6 greater than x³ – 2x² + x + 5?
Answer : x³ + 9x² – 6x + 1

Please refer to attached file for CBSE Clas 7 Maths Worksheet - Algebraic Expression