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SAI INTERNATIONAL SCHOOL

                                                                  Class VII

               Sub: Mathematics

               Chapter- 12: Algebraic Expression

               Worksheet:





               1.     Algebraic expression for the given statement “ Numbers x and y both squared and
                      added” is :
                                   2
                                   (a) x + y      (b) 2x + 2y      (c) 2(x + y)       (d) None of these
                                        2
                                                                                        2
               2.     Identify the terms and their factors for the expression: 1 + x + x
               3.     Identify the numerical coefficients of terms (other than constants) in the given
                                                 2
                      expression: 0.1 y + 0.01 y
               4.     Classify into monomials, binomials and trinomials.
                                                        2
                                               2
                      (a) ab – a – b       (b) 4p q – 4pq
                                                                        2
                                                                                2
                                                                                                      2
                                                                                          2
                                                                                    2
               5.     Identify like terms of the given expression: – xy , – 4yx , 8x , 2xy , 7y, – 11x , –
                                         2
                                                 2
                      100x, – 11yx, 20x y, – 6x , y, 2xy, 3x
               6.     Simplify:  p – (p – q) – q – (q – p)
               7.     Add: 3mn, – 5mn, 8mn, – 4mn
               8.     Subtract: (a – b) from (a + b)

               9.     From the sum of 3x – y + 11 and – y – 11, subtract 3x – y – 11.
                                                     2
               10.    If m = 2, find the value of: 3m  – 2m – 7
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