1. Integers
1.1. Definition
1.1.1. An integer is a number with no decimal or fractional part, from the set of negative and positive numbers, including zero.
1.2. Example
1.2.1. -5, 0, 1, 5, 8, 97,
2. Rational numbers
2.1. Definition
2.1.1. a rational number is a type of real numbers, which is in the form of p/q where q is not equal to zero. Any fraction with non-zero denominators is a rational number.
2.2. Example
2.2.1. , 1/5, 3/4,
3. Fractions
3.1. like fractions
3.1.1. Definition
3.1.1.1. The group of two or more fractions that have exactly the same denominator are called like fractions.
3.1.2. Example
3.1.2.1. 1/7, 2/7, 5/7, 6/7
3.2. unlike fractions
3.2.1. Definition
3.2.1.1. Unlike fractions are fractions that have different denominators.
3.2.2. Example
3.2.2.1. ⅓, ⅔, ⅖, 3/7, 5/9,
3.3. proper fractions
3.3.1. Definition
3.3.1.1. A proper fraction is a fraction whose numerator is smaller than its denominator.
3.3.2. Example
3.3.2.1. 3/4, 2/11, and 7/19
3.4. improper fractions
3.4.1. Definition
3.4.1.1. a fraction whose numerator is equal to, larger than, or of equal or higher degree than the denominator.
3.4.2. Example
3.4.2.1. 11/2 ,7/3,3/1
3.5. Mixed fractions
3.5.1. Definition
3.5.1.1. a mixed fraction is simply an improper fraction written as the sum of a whole number and a proper fraction.
3.5.2. Example
3.5.2.1. 21/2
4. Decimals
4.1. like decimals
4.1.1. Definition
4.1.1.1. Decimals having the same number of decimal places are called like decimals
4.1.2. Example
4.1.2.1. 4.65 and 3.21
4.2. unlike decimals
4.2.1. Definition
4.2.1.1. Decimal numbers having different number of decimal places are called unlike decimals.
4.2.2. Example
4.2.2.1. 5.6, 15.06 and 15.106