Class 7 Maths Chapter 12 Test Paper Set-1 Pdf Download CBSE

Test Paper Of Class 7 Maths Chapter 12 Algebraic Expression

Class 7 Maths Chapter 12 Test Paper Set-1 Pdf

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Chapter 12 Test Paper (01)

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Class 7 Maths Chapter 12 algebraic Expression Test Paper Set-1 Text Form:-

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SAMPLE PAPER (01)

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.

Answers

Section – A

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

1: The like terms in 3x (3 – 2y) and 2 (xy + x2) are

(a) 9x and 2x2                             (b) – 6xy and 2xy

(c) 9x and 2xy                             (d) – 6xy and 2x2

2. Number of terms in the expression 3x2y – 2y2z – z2x + 5 is

(a) 2                       (b) 3                       (c) 4                        (d) 5

3. Coefficient of x in – 9xy2z is

(a) 9yz                   (b) – 9yz                (c) 9y2z                   (d) – 9y2z

4. – b – 0 is equal to

(a) –1 × b               (b) 1 – b – 0          (c) 0 – (–1) × b        (d) – b – 0 – 1

5. The number of scarfs of length half metre that can be made from y metres of cloth is :

(a) 2y                        (b) y/2                  (c) y + 2                   (d) y + ½

Section – B

6. Find:

(a) the coefficients of x in the following expressions? 4x – 3y, 8 – x + y, y 2 x – y, 2z – 5xz

(b) the coefficients of y in the following expressions? 4x – 3y, 8 + yz, yz2 + 5, my + m

7. Classify into monomials, binomials and trinomials.

(i) 4y – 7z             (ii) y2                  (iii) x + y – xy                (iv) 100

8. State whether a given pair of terms is of like or unlike terms.

(i) 1, 100               (ii) –7x, 52x    (iii) – 29x, – 29y            (iv) 14xy, 42yx

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

(i) Subtraction of z from y.

(ii) One-half of the sum of numbers x and y.

Section – C

10. Simplify combining like terms:

(i) 21b – 32 + 7b – 20b

(ii) – z2 + 13z 2 – 5z + 7z 3 – 15z

(iii) p – (p – q) – q – (q – p)

11. Subtract: (i) –5y2 from y2

(ii) 6xy from –12xy

(iii) (a – b) from (a + b)

12. If m = 2, find the value of:

(i) m – 2                         (ii) 3m – 5                     (iii) 9 – 5m

Section – D

13. (a) From the sum of 2y2 + 3yz, – y2 – yz – z2 and yz + 2z2 , subtract the sum of 3y2 – z2 and –y2 + yz + z2 .

(b) Subtract the sum of – 3x3y2 + 2x2y3 and – 3x2y3 – 5y4 from x4 + x3 y2 + x2y3 + y4.

14. Find the values of the following polynomials at a = – 2 and b = 3:

(a) a2 + 2ab + b2                                     (b) a2 – 2ab + b2

(c) a3 + 3a2b + 3ab2 + b3                        (d) a3 – 3a2b + 3ab2 – b3

Answers

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