1. RATIONAL NUMBERS Rational numbers: Any number that can be written as a fraction. This includes, 1.Fractions Example : 4/5, 6/7, 15/8, 1/2

2. Rational numbers Whole numbers: It is a combination of positive, negative numbers and zero. Example: 1, 2, -2, -1, 3,-5, 0

3. Rational Numbers 1.Zero: The number that appears in the center of a number line is Zero, it is neither positive nor negative. Example: 0

4. Rational numbers 1.Integers: A combination of positive and negative numbers Example: -3, 3,-2, 2, -10, 10, -8, 8, 9, -9

5. Rational numbers Absolute value: The exact distance from zero to the number on a number line. - negative # + positive # -5 -4 -3 -2 -1 +1 +2 +3 +4 +5 0 NegativePositive - 5 -4 -3 -2 +5 +4 +3 +2 +1

6. Rational numbers Decimals Any decimal that can be written as a fraction is a rational number. Example: 1.5, 1.75, 2.3, 4.9, 143.90

7. Rational numbers Opposite numbers Two exact same numbers with different or opposite signs are called opposite numbers. Example: 1.+ 5 is the opposite of -5 2.-8 is the opposite of + 8 3.10 is the opposite of -10.