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UNIT-RATIONAL NUMBERS 
Concept-Various forms
RATIONAL NUMBERS 
 What are rational numbers? 
 Give 3 examples for rational numbers? 
 What are integers?
ACTIVITY 1 
Rational no x/y (x/y) * different integers= 
 2/3 
 2/3 
 2/3 
 (2/3)2=4/6
ACTIVITY 2 
Rational numbers Simplest form 
 18/24 
 9y/2y 
 xy+y / xz+z 
 3x+x/3y+y 
 ¾
VARIOUS FORMS 
 If the numerator and denominator of a rational 
number is multiplied by an integer , we can get 
various ...
ACTIVITY 3 
 SIMPLIFY THE FOLLOWING 
 40/10= 
 xu/yu= 
 xu-u/xy-y= 
 xz+yz/xz+yz=
FOLLOW UP ACTIVITIES 
 4x/2y 
 6x-4y/4x-8y 
 x^2-y^2/x+y
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Ppt ict based class (1)

  1. 1. UNIT-RATIONAL NUMBERS Concept-Various forms
  2. 2. RATIONAL NUMBERS  What are rational numbers?  Give 3 examples for rational numbers?  What are integers?
  3. 3. ACTIVITY 1 Rational no x/y (x/y) * different integers=  2/3  2/3  2/3  (2/3)2=4/6
  4. 4. ACTIVITY 2 Rational numbers Simplest form  18/24  9y/2y  xy+y / xz+z  3x+x/3y+y  ¾
  5. 5. VARIOUS FORMS  If the numerator and denominator of a rational number is multiplied by an integer , we can get various forms of that rational number
  6. 6. ACTIVITY 3  SIMPLIFY THE FOLLOWING  40/10=  xu/yu=  xu-u/xy-y=  xz+yz/xz+yz=
  7. 7. FOLLOW UP ACTIVITIES  4x/2y  6x-4y/4x-8y  x^2-y^2/x+y

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