Numbers classification and structure
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22 Terms
a natural number is
the numbers you first learned
Integers numbers are…
whole numbers including negatives
rational numbers are…
numbers that can be written as a fraction
irrational numbers…
cannot be written as a fraction because they are never ending
real numbers are
any number you can put on a number line
imaginary numbers…
do not live on the number line
a sum is
addition
a difference is
subtraction
a product is
multiplication
a quotient is
division
a recipricle is found by
flipping the numerator and denominator
how do you divide fractions?
keep change flip
what are opposits?
values with different absolute valuses
what is helpful when doing keep change flip?
cross canceling
what is the abriviation for the order of opperations?
GEMDAS
what does the G in GEMDAS stand for?
grouping
what does the E in GEMDAS stand for
exponents
what does the M in GEMDAS stand for?
multiplication
what does the D in GEMDAS stand for
division
what does the A in GEMDAS stand for?
addition
what does the S in GEMDAS stand for?
subtraction
what is a complex fraction?
a fraction within a fraction