Test Paper Of Class 7 Maths Chapter 12 Algebraic Expression


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Chapter 12 Test Paper (03)
class-7-maths-chapter-12-test-paper-03Class 7 Maths Chapter 12 algebraic Expression Test Paper Set-3 Text Form:-
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SAMPLE PAPER (03)
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 ā A
In Questions 1 to 5, there are four options, out of which one is correct. Write the correct answer.
1. The factors of the term āxy2 are
(a) x Ć y Ć y (b) ā 1 Ć y Ć y
(c) ā 1 Ć x Ć y (d) ā 1 Ć x Ć y Ć y
2. The terms of expression 4x2 ā 3xy are:
(a) 4x2 and ā3xy (b) 4x2 and 3xy
(c) 4x2 and āxy (d) x2 and xy
3. Identify the binomial out of the following:
(a) 3xy2 + 5y ā x2y (b) x2y ā 5y ā x2y
(c) xy + yz + zx (d) 3xy2 + 5y ā xy2
4. The value of 3x2 ā 5x + 3 when x = 1 is
(a) 1 (b) 0 (c) ā1 (d) 11
5. The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?
(a) 2x + 16 (b) 6x + 9 (c) 8x + 3 (d) 8x + 12
Section ā B
6. Identify the numerical coefficients of terms (other than constants) in the following expressions:
(i) 5 ā 3t2 (ii) 1 + t + t2 + t3 (iii) 3.14 r2 (iv) 2(l + b)
7. Classify into monomials, binomials and trinomials.
(i) x + y ā xy (ii) 100 (iii) ab ā a ā b (iv) 5 ā 3t
8. State whether a given pair of terms is of like or unlike terms.
(iii) ā 29x, ā 29y (iv) 14xy, 42yx
(v) 4m2p, 4mp2 (vi) 12xz, 12x2 z2
9. Get the algebraic expressions in the following cases using variables, constants and arithmetic operations
(i) The number z multiplied by itself.
(ii) One-fourth of the product of numbers p and q.
Section ā C
10. Add:
(i) 3mn, ā 5mn, 8mn, ā 4mn
(ii) t ā 8tz, 3tz ā z, z ā t
(iii) ā 7mn + 5, 12mn + 2, 9mn ā 8, ā 2mn ā 3
11. Subtract:
(i) ā x2 + 10x ā 5 from 5x ā 10
(ii) 5a2 ā 7ab + 5b2 from 3ab ā 2a2 ā 2b2
(iii) 4pq ā 5q2 ā 3p2 from 5p2 + 3q2 ā pq
12. When a = 0, b = ā 1, find the value of the given expressions:
(i) 2a + 2b (ii) 2a2 + b2 + 1 (iii) 2a2b + 2ab2 + ab
Section ā D
13. If A = 3x2 ā 4x + 1, B = 5x2 + 3x ā 8 and C = 4x2 ā 7x + 3, then find:
(i) (A + B) ā C
(ii) B + C ā A
14. Find the values of following polynomials at m = 1, n = ā1 and p = 2:
(a) m + n + p
(b) m2 + n2 + p2
(c) m3 + n3 + p3
(d) mn + np + pm