unit 1
what is the number one rule when it comes to order of operation?
Always go from left to right when multiplication a division symbols are together do what you see first.
why do they call a lazy t lazy?
they call the lazy t lazy because unlike a hard t is is on its side.
how do you divide a fraction by a whole?
keep ,change ,flip.
flip stands for reciprocal
what is a variable?
a letter that stands for a number.
How many thousandths are in a hundredth?
10 thousandths are in a hundredth
what are two way to multiply 2 and 3 digit numbers?
algorithm and area model
what is a prime number?
A number with 2 factors 1 and itself
what is K.C.R
keep
change reciprocial
what do you do when a variable is next to a number?
multiply
how do you say this?
8.49
eight and forty nine thousandths
what is the order of operation acronym?
p
b
md
as
how do you add mixed numbers?
first take the fractions and find the like denominator by multiplying or dividing but remember what you do to the top you have to do to the bottom. Don't forget to simplify if you can.
how do you divide a whole number by a fraction?
draw a number line with the denominator of the fraction we are dividing by.
what is an additive pattern?
a relationship in which the same addend is added to each x-value to find y value
how do you compare decimals?
line up decimals
fill in empty spaces with place holders
start with greatest place value
how do you divide?
divide, multiply, subtract, bring down ,or dmsb
how do you add unlike fractions?
find the common denominator, add, simplify.
what is another way to divide a whole number by a faction?
use kcr by flipping the fraction by one.
what is a Multiplicative pattern
a relationship in which each x-value is multiplied by the same factor to each y value.
What is a rational number?
a ration number is a whole number, fractions and decimals.
what does pbmdas stand for?
parentheses brackets multiply divide add subtract
what is a composite number?
the number has more than two factors.
how do you make a mixed number an improper fraction?
multiply denominator by whole number then add numerator to product of denominator and whole number.
what is a ordered pair?
A pair of numbers used to locate a point ona coordinate plane
what place value is the 3 in?
0.73
the three is located in the thousandths place.