Real Numbers Types – Rational and Irrational – Math Cheatsheet – Class 9 and 10

Chart – Number Systems

Real Numbers

1. Rational Numbers ( Example : -9, 0 , 5/7, 2/5 etc )

• Integers ( Example : -2 , -1 , 0 , 1 , 2 , etc )
  • Negative Integers ( Example : -2 , -1 , -3 etc )
  • Whole Numbers ( Example : 0, 1, 2, 3, 4, 5 etc )
    • Zero ( 0 )
    • Positive Integers ( Example : 2 , 3 , 4 etc )

• Non Integral Rationals ( Example : -5/8 , 8/15 , 2 3/7 etc. )