| A | B |
| DIVISIBLE | ONE NUMBER IS DIVISIBLE BY ANOTHER IF THE REMAINDER IS ZERO |
| DIVISIBLE BY TWO | IF THE NUMBERS ARE EVEN |
| DIVISIBLE BY THREE | IF THE SUM OF THE DIGITS IS DIVISIBLE BY THREE |
| DIVISIBLE BY FIVE | IF THE NUMBER ENDS IN 5 OR 0 |
| DIVISIBLE BY TEN | IF THE NUMBER ENDS IN ZERO |
| FACTOR | A NUMBER TO BE MULTIPLIED |
| PRIME NUMBER | A WHOLE NUMBER GREATER THAN ONE THAT HAS EXACTLY TWO FACTORS THE NUMBER AND ITSELF |
| COMPOSITE NUMBER | A WHOLE NUMBER GREATER THAN ZERO THAT HAS MORE THAN TWO FACTORS |
| PRIME FACTORIZATION | A NUMBER WRITTEN AS THE PRODUCT OF PRIME NUMBERS 30= 2 X 3 X 5 |
| GREATEST COMMON FACTOR | THE GREATEST NUMBER THAT DIVIDES TWO OR MORE NUMBERS EXACTLY |
| FRACTION | A NUMBER THAT NAMES A PART OF A WHOLE NUMBER |
| MULTIPLE | THE MULTIPLE OF A NUMBER IS THE PRODUCT OF THAT NUMBER AND IS A WHOLE NUMBER |
| LEAST COMMON MULTIPLE | THE SMALLEST NUMBER THAT IS A COMMON MULTIPLE OF TWO GIVEN NUMBERS |
| NUMERATOR | TOP NUMBER OF A FRACTION |
| DENOMINATOR | BOTTOM NUMBER OF A FRACTION |
| COMMON DEMONINATOR | A COMMON MULTIPLE OF TWO OR MORE DENOMINATORS |
| LEAST COMMON DENOMINATOR | THE LEAST COMMON MULTIPLE OF THE DENOMINATORS OF TWO OR MORE FRACTIONS |
| IMPROPER FRACTIONS | A FRACTION WHOSE NUMERATOR IS GREATER THAN OR EQUAL TO ITS DENOMINATOR |
| MIXED NUMBER | THE SUM OF A WHOLE NUMBER AND A FRACTION WITHOUT THE ADDITION SIGN |
| RECIPROCALS | TWO NUMBETS WHOSE PRODUCT IS 1 |
| MULTIPLY FRACTIONS | MULTIPLY ACROSS |
| DIVISION OF FRACTIONS | INVERT THEN MULTIPLY |
| INVERT | CHANGE THE NUMERATOR TO THE DENOMINATOR AND DENOMINATOR TO THE NUMERATOR |