Math review......

review....

Exponents are used to show:

repeated multiplication

a base number with an exponent

called a power

move right when:

adding a positive or subtracting a negative

move left when:

subtracting a positive or adding a negative

multiplying/dividing integers with the same sign =

positive

multiplying/dividing integers with different signs =

negative

BEDMAS is used to

keep consistent when evaluating expressions

BEDMAS

brackets, exponents, division, multiplication, addition, subtraction

Fraction

expresses part of a whole

Numerator

top number in a fraction

Denominator

bottom number in a fraction

Proper fraction

numerator is less than denominator

Not required for multiplying/dividing fractions

common denominator

Multiply fractions

multiply the numerators, then the denominators

Divide fractions

multiply the first fraction by the reciprocal of the second

Reciprocal

flipped positions of numerator and denominator