Maths Terms Flashcards
What is a natural number?
Natural numbers are counting numbers.
1, 2, 3, 4, 5, …
What is a whole number?
Whole numbers are the counting numbers and zero.
0, 1, 2, 3, …
What is an integer?
An integer is a whole number, and may be positive, negative, or zero.
…, -3, -2, -1, 0, 1, 2, 3, …
What is a rational number?
Rational numbers can be expressed in fraction form and include integers, percentages, terminating and recurring decimals.
What is an irrational number?
Irrational numbers cannot be written as ratios (fractions) and are non-terminating, non-repeating decimals.
eg, π, surds
What is a real number?
Real numbers include both rational and irrational numbers.
In algebra, what are like terms?
Like terms have identical pronumeral parts.
3x and 6x