| A | B |
|---|
| Prime Numbers | 2,3,5,7,11,13, 17, 19, 23, 29 |
| Composite Numbers | not prime/all the rest |
| Order of Operations | PEMDAS Please Excuse My Dear Aunt Sally |
| Distributive Law | a(a+b)= ab +ac .... a(a-b)= ab-ac |
| Associative Law | Add or Multply: you can regroup #'s |
| Fractions | are neither even nor odd |
| Zero | is an even interger |
| +# x +# = | + |
| -# x +# = | - |
| -# x -# = | + |
| digits | there are 10: 0123456789 |
| Consecutive Integers | intergers listed in order of value without any intergers missing |
| Integers | #'s that can be written without decimals or fractions |
| sum | the result of addition |
| difference | the result of subtraction |
| product | the result of multiplication |
| quotient | the result of division |
| absolute value | the positive value of a number l-3l =3 |
| multiples | that number multiplied by an integer other than 0 |
| factors | x is a factor of y if y can be devided by x without a remainder |
| units digit | last # in an integer |
| An integer is divisible by 2 if | if its units digit is divisible by 2 |
| An integer is divisible by 3 if | if the sum of its digits is divisible by 3 |
| An integer is divisible by 4 if | the last two digits form a number divisible by 4 |
| An integer is divisible by 5 if | if its units digit is divisible by 5 or 0 |
| An integer is divisible by 6 if | if its divisible by both 3 & 2 |
| An integer is divisible by 9 if | if the sum of its digits divisible by 9 |
| An integer is divisible by 10 if | if its units digits is 0 |
