# Numbers

• Created by: Rubyblu
• Created on: 10-04-18 15:18
natural number
a whole, positive number
1 of 14
integer
a whole number that can be positive, negative, or zero
2 of 14
square number
the product of a number multiplied by itself
3 of 14
square root
a number which produces a specified quantity when multiplied by itself
4 of 14
multiple
the result of multiplying a number by an integer
5 of 14
factor
to break a number up into numbers that can be multiplied together to get the original number
6 of 14
lowest common multiple
of two numbers is the smallest number that appears in the multiplication tabes of both numbers
7 of 14
highest common factor
of two numbers if the biggest number that divides exactly into both of them
8 of 14
prime number
a number that can only be divided by 1, or itself
9 of 14
prime factorisation
finding the factors of a number that are all prime
10 of 14
real numbers
Positive, negative, large, small, whole numbers or decimal numbers
11 of 14
rational numbers
any number that can be written as the ratio of two numbers
12 of 14
irrational numbers
cannot be expressed as a ratio between two numbers and cannot be written as a simple fraction
13 of 14
imaginary number
a complex number that can be written as a real number multiplied by the imaginary unit 1
14 of 14

## Other cards in this set

### Card 2

#### Front

a whole number that can be positive, negative, or zero

integer

### Card 3

#### Front

the product of a number multiplied by itself

### Card 4

#### Front

a number which produces a specified quantity when multiplied by itself

### Card 5

#### Front

the result of multiplying a number by an integer