Integers Flashcards
What is another name for “positive integers”
Natural numbers or counting numbers
Define ‘integers’
Numbers that include positive, negative integers and zero
What type of integer is ‘zero’
Zero is an integer that is neither positive or negative
Define ‘rational numbers’
A number that be represented by the division of one integer (1) by another nonzero integer (any positive or negative integer not zero)
Define ‘irrational number’
A number that cannot be written as the division of one integer by another
Give an example of a ‘terminating decimal’
1.5 is also 3/2
Give an example of a ‘repeating decimal’
2/3 is also 0.666666
What makes up the ‘real number system’
- integers
- rational numbers
- irrational numbers
- including positive, negative and zero
What is an ‘imaginary number’
The name given to square roots of negative numbers
What is contained in a ‘fraction’
Any number or symbol represented in its numerator or denominator
What is the ‘origin’ on the number line?
A horizontal line, designated by some point on it by zero ‘0’
Which direction is ‘negative direction’
Starting from the origin, moving in intervals to the left
Define ‘absolute value’
A positive or negative number’s value is always positive. Simply the distance on the number line.
Define ‘greater than’
if a first number is to the right of a second number, then the first number is considered greater than
Define ‘less than’
If the first number is to the left of the second number, then the first number is considered less than
