Chapter 1 Flashcards
1
Q
Natural Numbers
A
N = 0 1 2 3 4 5 …
2
Q
Integers
A
Z = -3 -2 -1 0 1 2 3 …
negative numbers
3
Q
Rational numbers
A
Q = 1 3 7
—- —- —-
5 10 1
0.2 0.3 7 fractions and decimals
4
Q
Real numbers
A
Rational and irrational numbers
5
Q
Irrational numbers
A
Numbers that cannot be expressed as a fraction
6
Q
Prime numbers
A
Numbers whose factors are 1 and itself.
Note: one isn’t a prime number
7
Q
Composite numbers
A
Numbers whose factors are more than one and itself.
8
Q
Square numbers
A
A number multiplied by itself twice
9
Q
Cube numbers
A
A number multiplied by itself thrice
10
Q
Factors
A
Numbers who divide exactly into another number.
11
Q
2 square
A
4
12
Q
3 square
A
9
13
Q
4 square
A
16
14
Q
5 square
A
25
15
Q
6 square
A
36
