| Range of Terms (top 100 most frequently used) |
Textbook series (usage code) | CNX Link | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
| ACUTE ANGLE | 4 | - | 4 | 3 | 4 | 4 | 4 | 4 | - | 4 | 4 | 4 | - |
| ACUTE TRIANGLE | - | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| ADDITION (DECIMAL) | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| ADDITION (FRACTION) | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 3 |
| ADDITION (INTEGER) | - | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - |
| ADDITION PROPERTY (EQUATION) | 4 | 2 | 2 | - | 2 | 4 | - | 2 | 2 | 2 | 4 | 4 | - |
| ANGLE | 4 | 4 | 3 | - | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 3 |
| AREA OF TRIANGLE | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | - |
| ASSOCIATIVE (ADD.) (WHOLE NUMBER) | 4 | 2 | 4 | 1 | - | - | 3 | 4 | 4 | 4 | 3 | - | - |
| BAR GRAPH (STATISTICS) | 3 | 4 | - | 3 | - | 3 | 3 | 4 | 3 | 3 | 3 | - | 3 |
| CENTER (CIRCLE) | 3 | - | - | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | - |
| CIRCLE | 3 | - | - | - | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | - |
| CIRCLE (AREA) | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| CIRCLE GRAPH (STATISTICS) | 3 | - | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 3 | - | - | - |
| CIRCUMFERENCE | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | - | - |
| COMMUTATIVE (ADD.) (WHOLE NUMBER) | 4 | 2 | 4 | 1 | - | - | 3 | 4 | 4 | 4 | 3 | - | - |
| COMPOSITE NUMBER | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| COORDINATE (COORDINATE SYSTEM) | - | 4 | - | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
| CYLINDER (VOLUME) | - | - | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 4 | 4 | - |
| DECIMAL | 4 | 3 | 3 | 3 | 3 | 3 | - | 3 | 3 | 3 | - | 3 | 2 |
| DEGREE (ANGLE) | 4 | - | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 |
| DENOMINATOR | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 3 | 3 |
| DIVISIBILITY (WHOLE NUMBER) | 4 | - | 3 | 3 | 4 | 4 | 4 | 4 | 4 | - | - | 4 | - |
| DIVISION (DECIMAL) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| DIVISION (FRACTION) | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | - |
| DIVISION (INTEGER) | - | - | 4 | 4 | 4 | - | 3 | 4 | 3 | 4 | 4 | 4 | - |
| DIVISION (WHOLE NUMBER) | 2 | - | 3 | 3 | 4 | 4 | - | 4 | 4 | 4 | - | 3 | 3 |
| EQUATION | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 3 |
| EQUILATERAL TRIANGLE | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| EQUIVALENT FRACTIONS | 4 | 4 | - | 2 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | - | 4 |
| ESTIMATING PRODUCTS (WHOLE NUMBER) | 3 | - | 3 | 3 | 3 | 4 | 4 | 2 | 4 | 4 | - | - | - |
| ESTIMATING SUMS (WHOLE NUMBER) | 3 | - | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| EXPONENT | - | 4 | 4 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | - |
| FACTOR (WHOLE NUMBER) | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | - |
| FACTOR TREE (WHOLE NUMBER) | 3 | 3 | - | - | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 4 | - |
| FRACTION | 4 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 3 | 4 | - | 3 | 4 |
| FRACTION TO DECIMAL | 2 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | - | 3 | 4 |
| GCF (WHOLE NUMBER) | - | 4 | 3 | 3 | 4 | 4 | 3 | 4 | - | 3 | 4 | 4 | - |
| HEXAGON | - | - | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | - |
| INTEGER | - | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | - |
| ISOSCELES TRIANGLE | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| LCD (FRACTION) | - | - | 4 | 3 | 3 | 4 | - | 4 | 3 | 4 | 4 | 4 | - |
| LCM (WHOLE NUMBER) | - | 4 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | - |
| LINE | 3 | 3 | - | 3 | 4 | 3 | - | 3 | 4 | 4 | 3 | 4 | 4 |
| LINE GRAPH (STATISTICS) | 2 | - | 4 | 3 | 2 | 3 | 2 | 2 | 3 | 2 | 4 | - | 3 |
| LINE SEGMENT | 4 | 3 | 3 | 4 | 2 | 4 | - | 4 | 4 | 2 | 3 | 4 | 4 |
| MEAN (STATISTICS) | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| MEDIAN (STATISTICS) | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| METRIC UNITS | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | - | 2 |
| MIXED NUMERAL | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | 2 | 2 |
| MODE (STATISTICS) | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| MULT. PROPERTIES (EQUATION) | 4 | 2 | 2 | - | 2 | 4 | - | 2 | 2 | 2 | 4 | 4 | - |
| MULTIPLICATION (DECIMAL) | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| MULTIPLICATION (FRACTION) | 4 | - | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 |
| MULTIPLICATION (INTEGER) | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - |
| NEGATIVE INTEGER | - | 3 | - | - | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 3 | - |
| NUMBER LINE (INTEGER) | - | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| NUMERATOR | 3 | 3 | 3 | - | 3 | 4 | 3 | 3 | 4 | 4 | 3 | 3 | 3 |
| OBTUSE ANGLE | 4 | - | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| OPPOSITIES (INTEGER) | - | 4 | 4 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | - |
| ORDER OF OPERATIONS (EQUATION) | 4 | 2 | 4 | - | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| ORDERED PAIR (COORDINATE SYSTEM) | - | 3 | - | 3 | 3 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 3 |
| PARALLEL LINES | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PARALLELOGRAM | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| PARALLELOGRAM (AREA) | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| PENTAGON | - | - | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 3 |
| PERCENT | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PERIMETER | 4 | 3 | 4 | 4 | 4 | 4 | - | - | - | 4 | 3 | 4 | 4 |
| PERPENDICULAR LINES | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
| PLACE VALUE (NUMBERS) | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 3 | 3 | - | - | 3 |
| PLANE | 4 | 4 | 4 | - | 4 | 4 | - | 4 | 4 | 4 | 3 | 4 | 4 |
| POINT | 3 | - | - | - | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 |
| POLYGON | 4 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | 3 |
| POSITIVE INTEGER | - | 3 | 3 | - | 3 | 4 | 3 | 4 | 3 | 3 | 4 | - | - |
| POWER | - | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 |
| PRIME NUMBER | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| PRISM (VOLUME) | 2 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PROBABILITY | 1 | 4 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 3 |
| PROBLEM SOLVING | 2 | 4 | - | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| PROPORTION | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| PROTRACTOR | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 |
| QUADRILATERAL | 4 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | - |
| RATIO | 4 | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | - |
| RECTANGLE | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| RECTANGLE (AREA) | 4 | 3 | - | 4 | 3 | 3 | 3 | 4 | - | 4 | 3 | 3 | 4 |
| REPEATING DECIMAL | - | - | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 2 |
| RHOMBUS | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| RIGHT ANGLE | 4 | 4 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| RIGHT TRIANGLE | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| SIMPLEST FORM (FRACTION) | 2 | 2 | 4 | 4 | 2 | 4 | 4 | 2 | 2 | 2 | 4 | 4 | - |
| SQUARE | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| SUBTRACTION (DECIMAL) | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | - | - | 4 |
| SUBTRACTION (FRACTION) | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 3 |
| SUBTRACTION (INTEGER) | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| SURFACE AREA | - | - | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
| TRIANGLE | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 3 | 4 | 3 |
| TRIANGULAR PRISM | 2 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | 3 | 3 |
| VOLUME | - | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| WHOLE NUMBER | 3 | 4 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - |
| WORD PROBLEM (PERCENT) | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 | 3 |