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# Ppt ict based class (1)

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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