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SAI International School
                                                      CLASS-VII

               Mathematics

               CHAPTER-12: Algebraic Expression

               Home Assessment-3


               1. What can be the expression for the given statement i.e. “y multiplied by 10 and
               then 7 added to the product”?
               2. The length of a side of square is given as 2x+3. What will be the perimeter of the
               square?
               3. The speed of car is 55 km/h. What will be the distance covered in y hours?
               4. Write the given expression in its statement form: y-5x.

               5. What will be the expression for the number of diagonals that we can make from
               one vertex of a “n” sided polygon?
               6. What are the numbers of scarfs of length half metre that can be made from “y”
               metres of cloth?



               Answers:

               1. 10y + 7
               2. 8x + 12

               3. 55y
               4. 5 times of x is subtracted from y.

               5. n-3

               6. 2y
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