# Class 7 Maths Chapter 12 Test Paper Set-2 Pdf Download CBSE

Test Paper Of Class 7 Maths Chapter 12 Algebraic Expression

Chapter 12 Test Paper (02)

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## Class 7 Maths Chapter 12 algebraic Expression Test Paper Set-2 Text Form:-

PGRMS EDUCATION

SAMPLE PAPER (02)

CLASS: 7                                                         MAX. MARKS :30 SUBJECT: MATHEMATICS                             TIME: 1:30 HOUR CH: 12 (Algebraic Expressions)

General Instructions:

I. All questions are compulsory.

II. This question paper contains 14 questions divided into four Sections A, B, C and D.

III. Section A has 5 questions of 1 mark each. Section B has 4 questions of 2 marks each. Section C has 3 questions of 3 marks each. and Section D has 2 questions of 4 marks each.

IV. Use of Calculators is not permitted.

Section β A

In Questions 1 to 5, there are four options, out of which one is correct. Write the correct answer.

1 The coefficient of xy in 3x2 zy + 7xyz β 2z2x is

(a) 3z                (b) β 2                      (c) 7yz                   (d) 7z

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• 2. Which of the following is a pair of like terms?

(a) β7xy2z, β 7x2yz                            (b) β 10xyz2, 3xyz2

(c) 3xyz, 3x2y2z2                                (d) 4xyz2, 4x2yz

3. The sum of x4 β xy + 2y2 and βx4 + xy + 2y2 is

(a) Monomial and polynomial in y    (b) Binomial and Polynomial

(c) Trinomial and polynomial            (d) Monomial and polynomial in x

4. The side length of the top of square table is x. The expression for perimeter is:

(a) 4 + x                (b) 2x                  (c) 4x                      (d) 8x

5. 123x2y β 138x2y is a like term of :

(a) 10xy                (b) β15xy           (c) β15xy2               (d) 10x2y

Section β B

6. Identify the numerical coefficients of terms (other than constants) in the following expressions:

(i) x + 2xy + 3y                              (ii) 100m + 1000n

(iii) 0.1 y + 0.01 y2                         (iv) 5 β 3t2

7. Classify into monomials, binomials and trinomials.

(i) ab β a β b                                 (ii) 5 β 3t

(iii) 4p2q β 4pq2                           (iv) 7mn

8. Identify like terms in the following:

(a) β xy2 , β 4yx2 , 8x2 , 2xy2 , 7y, β 11x2, β 100x, β 11yx,

9. Get the algebraic expressions in the following cases using variables, constants and arithmetic operations.

(i) Numbers x and y both squared and added.

(ii) Number 5 added to three times the product of numbers m and n.

Section β C

10. Simplify combining like terms:

(i) 3a β 2b β ab β (a β b + ab) + 3ab + b β a

(ii) 5x2y β 5x2 + 3yx2 β 3y2 + x2 β y2 + 8xy2 β 3y2

(iii) (3y2 + 5y β 4) β (8y β y2 β 4)

11. Subtract:

(i) a (b β 5) from b (5 β a)

(ii) βm2 + 5mn from 4m2 β 3mn + 8

(iii) β x2 + 10x β 5 from 5x β 10

12. Find the value of the following expressions, when x = β1:

(i) 2x β 7                      (ii) β x + 2                       (iii) x 2 + 2x + 1

Section β D

13. (a) From the sum of 3x β y + 11 and β y β 11, subtract 3x β y β 11.

(b) From the sum of 4 + 3x and 5 β 4x + 2x2 , subtract the sum of 3x2 β 5x and βx2 + 2x + 5

14. Find the values of the following polynomials at a = β 2 and b = 3

(a) (a2 + b2) /3

(b) (a2 – B2) /3

(c) a/b + b/a

(d) a2 + b2 β ab β b2 β a2

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