Form One Mathematics: Numbers Topic (Full Guide)
Basic Mathematics Notes for Form One Based in New Syllabus – Topic 2: Numbers.
CHAPTER 2. NUMBERS
Sub Chapters
- Concept of numbers
- Rational numbers
- Irrational numbers
- Real numbers
- Inequalities in real numbers
- Absolute value of a real number
Concept of numbers
✓ Numbers are classified into different categories. Some categories of numbers that you have already learned include whole numbers, natural numbers, fractions, integers, and decimals.
✓ Other major categories of numbers include rational, irrational, and real numbers.
Rational numbers
✓ A rational number is any number that can be written in the form of, a/b where a and b are integers, and b ≠ 0.
✓ The condition b ≠ 0 is essential because division by zero is not defined. The set of rational numbers is denoted by the symbol ℚ