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Zoe Milne- Mind Map #2
2
Mind
Map #2
Zoe Milne- MTE 280
What are Prime Numbers ?
Example:
1*5=5 with No other factors that go into 5
so five is a prime number
Prime Numbers are numbers that are only divisible by 1 and itself.
Prime
and
Composite
Numbers
What are composite numbers?
Composite-a positive integer that can be formed by multiplying two smaller positive integers.
Example:
1*8=8 AND 2*4=8
so eight is a composite number
Divisibility Rules
Prime Factorization
Prime Factorization is finding what prime numbers multiply together to get back to the original, larger number.
Prime
Factorization
Greatest Common Factor/Divisor
GCF(Greatest Common Factor) or GCD(Greatest Common Divisor) is the largest possible number that can divide into two or more integers.
GCF/ GCD
and
LCM
Least Common Multiple
Least Common Multiple is the lowest common multiple of two or more integers.
10/1/19 Vocabulary
Vocabulary
Even: A number that can be divided by 2 with NO remainder
Odd: A number that when divided by 2 has a remainder
Factor: numbers being multiplied together
Multiple: the result of multiplying a whole number by a whole number
Divisor: number used to divide or a number that divides evenly into another number
Divisible: when a number can be divided by a number with NO remainder.
Fractions into Decimals
Denominator goes on the outside of the bar
Numerator goes on the inside of the bar
example for 1/4 :
Turning
Fractions
into
Decimals
Multiplying Integers
number line model: groupings to get both numbers that you need will get you to the answer
ex: 3x4= 12
Multiplying
Integers
chip/charged field model:involves creating groups of negative and positive chips to then cancel out, then your answer is the remaining chips left
example on the bottom right >
Dividing Integers
how does it relate to multiplication?
Dividing
Integers
while multiplication and division have the same rules when it comes to positive and negative integers,they are still different.
we turn to the same technique with fractions into whole numbers.
just like we put the numerator in the bar and the denominator outside the bar, we move the first value in the bar and second value outside the bar.
examples to the right >
Decimals
multiplying
decimals
place values
Decimals
dividing
decimals
adding and
subtracting decimals
Square Numbers
A square number, or a perfect square, is the product of two integers that are the same
Square Numbers
Absolute Values and Opposites
Absolute Value
and
Opposites
absolute value:for any number, the distance away from zero
opposites: numbers that are on the equivalent opposite sides of the number line.