| A | B |
| PATTERN | A COMBINATION OF QUALITIES , ACTS , TENDENCIES , THAT FORM A CONSISTENT OR CHARACTERISTIC ARRANGEMENT |
| ITERATIVE PATTERN | RELATES THE NUMBERS / TERMS IN THE PATTERN BY CALCULATION THE SAME OPERATIONS RESPECTIVELY FROM ONE NUMBER / TERM TO THE NEXT |
| RECURSIVE PATTERN | RELATES THE NEXT NUMBER / TERM IN THE PATTERN TO THE PREVIOUS NUMBER / TERM |
| SEQUENCES | WHEN NUMBERS / TERMS ARE ARRANGED IN A CERTAIN ORDER . SEQUENCES ARE EITHER FINITE ( YOU CAN COUNT THE NUMBERS ) OR INFINITE ( YOU CAN'T COUNT THE NUMBERS = TOO MANY ) |
| N TH TERM | THE N TH TERM / NUMBER OF A SEQUENCE IS DENOTED BY A SUBSCRIPT Xn WHERE " n " REPRESENTS THE POSITION OF THE TERM / NUMBER IN THE SEQUENCE OF NUMBERS |
| ARITHMETIC SEQUENCE | A SEQUENCE OF NUMBERS WHERE THE DIFFERENCE BETWEEN CONSECUTIVE TERMS IS CONSTANT |
| COMMON DIFFERENCE | THE TERM USED TO DESCRIBE THE CONSTANT DIFFERENCE BETWEEN CONSECUTIVE TERMS IN ARITHMETIC SEQUENCES |
| GEOMETRIC SEQUENCES | A SEQUENCE OF NUMBERS WHERE THE RATIO OF CONSECUTIVE TERMS IS CONSTANT |
| COMMON RATIO | THE TERM USED TO DESCRIBE THE CONSTANT RATIO OF CONSECUTIVE TERMS IN A GEOMETRIC SEQUENCE OF NUMBERS |
| SCIENTIFIC NOTATION | A METHOD OF EXPRESSING NUMBERS IN TERMS OF A DECIMAL NUMBER BETWEEN 1 AND 10 MULTIPLIED BY A POWER OF 10 . THE SCIENTIFIC NOTATION FOR 10,492, FOR EXAMPLE , IS 1.0492 × 10 |