Maths Test 1 Flashcards
1
Q
What is the symbol of natural numbers
A
N
2
Q
What is the symbol of integers
A
Z
3
Q
What is the symbol of rational numbers
A
Q
4
Q
What are natural numbers?
A
Whole numbers
5
Q
What are integers?
A
Positive or negative numbers
6
Q
What are rational numbers
A
Fractions
7
Q
What are prime numbers
A
Numbers that divides only in 1 and itself
8
Q
What are factors?
A
Numbers that can go into that number .e.x.(1,3,9 is the factors of 9)
9
Q
What does this symbol mean? C with line in the middle
A
Element of
10
Q
What does this symbol mean ? C with line in middle +down
A
Not an element
11
Q
What does this symbol mean? #
A
How many stuff are in the set
12
Q
What does this symbol mean? n
A
Intersection .e.x.(the middle part of a venn diagram)
13
Q
What does this symbol mean? U
A
Universe .e.x.(all the Venn diagram )
