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Order Of Operations
Adding, Subtracting, Multiplying, Dividing
25
Mathematics
Undergraduate 1
04/04/2010

Additional Mathematics Flashcards

 


 

Cards

Term
digit
Definition

numbers

ex 1, 10, 100

Term
periods
Definition

numbers following commas

ex 100,000

  • whole numbers include 0 to infinity
  • natural numbers does not include 0

 

 

Term
expanded notation
Definition

one hundred + ect...

 

standard notation

100

Term
addition
Definition
addend + addend = sum
Term
subtraction
Definition
minuend - subtrahend = difference
Term
rounding numbers
Definition

consider the next digit to the right

  • if the digit is fiver or higher, round up
  • if the digit is four or lower, round down

change all digits to the right of the round to zeros

 

Term
multiplication
Definition
factor x factor = product
Term
area
Definition
l x w = n square feet
Term
area of a triangle
Definition

1/2 x b x h

  • multiply the base x area
  • divide by 2
Term
division
Definition
dividend / divisor = quotient
Term
zero divided into itself is not defined
Definition
Term
exponential notation
Definition

10010

100 base

10  exponent

base x itself

Term
order of operations
Definition
  • parenthesis
  • exponential expressions

from left to right

  • multiplication and division
  • addition and subtraction
Term
integers
Definition
negative and positive numbers
Term
examples of integers in every day life
Definition

negative integers

  • weather
  • sea level
  • losing weight
  • withdrawing money
Term
absolute value
Definition

is the distance from 0 on a number line

ex 10 and -10 = |10|

Term
addition of integers
Definition
  • if n is positive we move to the right
  • if n is negative we move to the left
  • if n is zero we stay
Term

rules for adding integers

add 2 negative

Definition
add values and change signs to make it a negative
Term

rules for adding integers

add a positive n and a negative n

Definition
  • if the positive n has a greater value, the answer is positive
  • if the negative n has the greater value, the answer is negative
Term
subtracting integers
Definition
the difference of two negative integers can be added
Term

multiplying integers

if there are two n and at least one is negative

Definition
the answer is negative
Term

multiplication of integers

if there are two n and both are negative

Definition
the answer is positive
Term

division of integers

if the signs are the same

Definition
the answer is positive
Term

division of integers

if the signs are different

Definition
the answer is negative
Term
solving equations
Definition

10 + x = 10

x = 10 - 10

x = 0

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