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26 Cards in this Set

  • Front
  • Back
natural #s
{1, 2, 3 ...} counting #s
whole
natural #s and 0
integers
whole #s & their opposites
{....-3,-2,-1,0,1,2,3.....}
rational
any # that can be written in form of fraction
irrational
any # that can NOT be written in form of fraction
real
all irrational and rational #s
whole #s less than 10
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
natural numbers between 4 and 9
5, 6, 7, 8
intergers less than or equal to 3
...-3, -2, -1, 0, 1, 2, 3
T/F- between any two whole #s there is another whole number
false
T/F- every whole number is an integer
true
T/F- every interger is a whole number
false
T/F-some #s are both rational and irrational
false
T/F- the set of rational #s can be listed
false
T/F- There is a fraction that will produce decimal, .34343434 etc.
false
A/S/N square root of natural # is rational.
sometimes
to find new amount
New A= (100% + increase%) x original or
(100% - decrease%) x original
T/F- set of rational #s includes the set of integers
true
T/F- zero is in the set of natural numbers
false
T/F- √3 is a real number
true
T/F- between any two natural numbers there is another natural number.
false
A/S/N: square root of a whole number is rational
SOMETIMES
YES/NO: is every natural number a whole number?
yes
YES/NO: is every irrational number a real number?
yes
list the intergers between
-3 and 3
-3, -2, -1, 0, 1, 2,
list whole numbers less than 5
0, 1, 2, 3, 4