Year 9 - Maths - 3.9.14

Thai Sikh International School

E-Learning Programme – Online Assignment –   03/09/2014

Name:   Mr.Rajeevan Paloth                                             Subject: Mathematics

Year   :  9                                                                              Schedule No. :  1

                                   

  1.     Write all the factors of  the numbers:         (a)     42      (b)     56

  2.     Find the prime factors of : (a)  70      (b)     45      (c)      100    (d)     252

  3.     Find the highest common factor of:  (a)     22, 110       (b)     15, 45        

(c)      36, 63,108    (d)   13, 3, 7

  4.     Find the lowest common multiple of:         (a)     36,84           (b)     24,36,40    

(c)      28, 35, 30   (d)     14,20,30,21

  5.     Find the smallest 3 digit prime number.

  6.     Find the cube root of:    (a)     0.000256.  (b)          (c)      - 216

  7.     Identify the Rational or Irrational numbers from the following:

a)     0.625     b)             c)      0.     d)      0.1010010001---

  8.     State which of the following statements are true and why?

a)     All integers are rational numbers b)      All prime numbers are Natural numbers

  9.     Find the square root of : (a)     5      (b) 0.01

  10.                        If 3 + then what will be the value of ?

  11.                        If  then find y.

  12.                        A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they again at the

 starting point?

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