# CBSE NCERT Worksheet for Class 7 Maths : Algebraic Expression and Practical Geometry

## Maths Worksheets for Class 7 – Algebraic Expression and Practical Geometry

In this maths worksheet, we have questions from “Algebraic expressions and Practical geometry”. This worksheet covers all important concepts from the chapter. It gives you an overall idea and covers all important formulae by applying them. This worksheet makes your exam ready. By attempting this worksheet with time-bound will give you the best preparedness for the exam.

Practice Maths Worksheets for Class 7

Q1. Identify in the following expressions terms which are not constant and give their numerical coefficients:

a) (a+b+5 b) 2x2y – 3xy2 +7                 c) 11-p2        d) 13 – p + 5q2

Q2. Write the coefficient of p in the following expressions

a) (3p – 4q b) 7 – p + q c) 2r – 4pr

Q3.Which of the following pair of terms are like terms and which are unlike

a) (6x , 11y b) -4pq , 8qp c) 2xy,x    d) 2 mn2,5n2m

Q4. Classify the following expressions as a monomial, binomial or trinomial

a) (4x – 3y b) 2xy  c) 5      d) 3x + 5y + 7  e) a + b            f) 5x2 – x – z

a) x – 3y + 4z , y – 2x -8z, 5x – 2y – 3z b) 5x,7x,-6x

c) mn + 5m – 2, mn + 3 d) 5x – 2x2 – 8, 8x2 – 7x – 9

Q6. Subtract:

a) -8xy from 7xy b) x – y + 3z from 2z – x – 3y

c) a2 + b2 – 2ab from a2 + b2 + 2ab d) x2 – y2 from 2x2 – 3y2 + 6xy

Q7. Simplify:

a) 2p3 – 3p2 + 4p -5 -6p3 + 2p2 – 8p -2 + 6p + 8

b) 2x2 – xy + 6x -4y + 5xy – 4x + 6x2 + 3y

c) 5x2 – 2x + 7 – 9 + 7x – 3x2 + 4x2 – x + 1

Q8.  If p = -4, q = -2 , r = 4 ,   find the value of :

a) p2 + q2 – r2

b) 2p2 – q2 + 3r2

Q9.

a) Write the numerical coefficient of -6abc

b) Write the constant term of 3x2 – 9

c) Write all the terms of algebraic expression 4x5 – 6y4 + 7x2y – 9

Click and more practice with Algebraic expressions questions

Practical Geometry

Q10. Construct a right triangle ABC in which base BC = 4.8 cm, Angle B = 90 o and AC = 6.2cm

Q11. Construct a triangle PQR in which PQ = 3.5 cm, QR = 4.2 cm and angle Q = 120 o

###  Q1

a) a, b. Numeric Coefficient of a is 1 and Numeric Coefficient of b is 1

b) 2x2, -3xy2, Numeric Coefficient of 2x2 is 2 and  Numeric Cofficient of -3xy2 is -3

c) 11-p2 , Numeric Coefficient of p2 is -1

d) 13-p+5q2, Numeric Coefficient of p is -1 and 5q2 is 5

2) a) 3, b)-1, c)-4r

3)  b) -4pq , 8qp         d) 2 mn2 ,5n2m

4) monomial-      b) 2xy          c) 5

Binomial a) 4x – 3y               e) a + b

Trinomial d) 3x + 5y + 7         f) 5×2 – x – z

5)  a) 4x -4y  -7z      b)6x   c) 5m+2mn+1      d)-2x+6x2-17

6)  a)15xy  b) -z-2x-2y     c) 4ab d) x2-2y2+6xy

Q7  a) 2p3 – 3p2 + 4p -5 -6p3 + 2p2 – 8p -2 + 6p + 8 = -4p3-p2+2p+1

b) 8x2+4xy+2x-y

c)6x2+4x-1

Q8  a) 4

b) 76

Q9  a)-6       b) -9      c) 4x5 , – 6y4,  7x2y,  – 9

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