| 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 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| ACUTE TRIANGLE | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 2 |
| ADDITION (DECIMAL) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| ADDITION (INTEGER) | 4 | - | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | - | - | 3 |
| ADDITION (RATIONAL NUMBER) | - | 4 | 3 | - | - | 3 | 3 | 4 | 3 | 4 | - | 4 | - |
| ADDITION PROPERTY (EQUATION) | 4 | - | 2 | 2 | 2 | 4 | 4 | 2 | 2 | 2 | 2 | 4 | - |
| ANGLE | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| AREA OF TRIANGLE | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | - | 4 | 3 | - | 3 |
| AXES (COORDINATE SYSTEM) | - | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | - |
| BAR GRAPH (STATISTICS) | 3 | - | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | - |
| BASE (EXPONENT) | 3 | - | 4 | 3 | 4 | 4 | 3 | 3 | 3 | - | 3 | 3 | 3 |
| BISECTING AN ANGLE | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| CENTER (CIRCLE) | 3 | 4 | - | - | 3 | 3 | 3 | 3 | 4 | 3 | - | - | 3 |
| CIRCLE | 3 | 4 | 3 | - | 4 | 3 | 3 | 4 | 4 | 4 | - | - | 3 |
| CIRCLE (AREA) | 4 | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | 3 |
| CIRCLE GRAPH (STATISTICS) | 4 | - | - | 3 | 4 | 4 | 3 | 1 | 3 | 4 | - | 4 | - |
| CIRCUMFERENCE | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | - | - | 4 |
| CONGRUENT TRIANGLES | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| COORDINATE SYSTEM | - | - | 2 | 2 | 2 | 2 | - | 4 | 2 | 2 | 2 | 4 | - |
| COMPASS | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | - | 3 | - | - | - |
| COMPLETE FACTORIZATION (WHOLE NUMBER) | - | 3 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | 2 | - |
| COMPOSITE NUMBER | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | - |
| CONGRUENT ANGLES | - | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 3 | - | - |
| CONSTRUCTION (ANGLE | - | 4 | - | 4 | 4 | 2 | 4 | 4 | 4 | 4 | - | - | - |
| COORDINATE (COORDINATE SYSTEM) | - | 4 | - | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | - |
| CYLINDER (VOLUME) | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | 3 |
| DIAMETER | - | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| DIVISIBILITY (WHOLE NUMBER) | 4 | 4 | 4 | 3 | - | 4 | 4 | 4 | 4 | - | - | - | 3 |
| DIVISION (DECIMAL) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| DIVISION (INTEGER) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| DIVISION (RATIONAL NUMBER) | - | 4 | 4 | - | - | 3 | 3 | 4 | 4 | 4 | - | 4 | - |
| EQUATION | - | - | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 3 |
| EQUILATERAL TRIANGLE | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| EQUIVALENT FRACTIONS | 4 | 3 | - | 2 | 4 | 4 | 4 | 4 | 3 | 2 | - | - | 3 |
| ESTIMATION (DECIMAL ) | 4 | 2 | - | 3 | 4 | 3 | 4 | 3 | - | 4 | - | - | - |
| EXPONENT | 4 | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 3 |
| EXTREMES AND MEANS | 2 | 2 | - | 2 | 2 | 2 | 3 | 3 | - | 2 | 4 | 3 | - |
| FACTOR (WHOLE NUMBER) | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 3 | - | 3 | 3 |
| FRACTION | 4 | 3 | 3 | - | 3 | 4 | 3 | 4 | - | 3 | - | - | 3 |
| FRACTION TO DECIMAL | 2 | 2 | - | 3 | 4 | 3 | 3 | 3 | 3 | - | - | - | 3 |
| GCF (WHOLE NUMBER) | - | 4 | 4 | 4 | 3 | 4 | - | 4 | 4 | 3 | - | - | - |
| GRAPHING (EQUATIONS WITH 2 VARIABLES) | - | - | - | - | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | - |
| HISTOGRAM (STATISTICS) | 4 | - | - | 3 | 4 | 4 | 3 | 4 | 4 | - | - | 4 | - |
| INEQUALITIES | - | - | 4 | - | - | 3 | 3 | 4 | 3 | 4 | 4 | 4 | - |
| INTEGER | 3 | 3 | 4 | 4 | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 3 | 3 |
| INTEREST (PROBLEM SOLVING) | - | - | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | - | 4 | - |
| ISOSCELES TRIANGLE | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| IRRATIONAL NUMBER | - | 4 | - | 3 | 4 | - | 4 | 1 | 4 | 4 | - | 4 | 3 |
| LCM (WHOLE NUMBER) | 4 | 4 | 4 | 4 | 3 | 4 | 3 | 4 | 3 | 3 | - | - | - |
| LINE | 3 | 3 | 3 | 3 | 4 | 3 | - | 4 | 4 | 3 | - | - | - |
| LINE GRAPH (STATISTICS) | 3 | - | - | 3 | 2 | 4 | 2 | 2 | 3 | 3 | 4 | 4 | - |
| LINE SEGMENT | 4 | 3 | 3 | 4 | 2 | 3 | - | 4 | - | 2 | - | - | - |
| LOCATING POINTS (COORDINATE SYSTEM) | - | - | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | - |
| MEAN (STATISTICS) | - | 3 | - | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | - |
| METRIC UNITS | 3 | 3 | 2 | - | 3 | 3 | 3 | 3 | 3 | 4 | - | - | - |
| MIXED NUMERAL | 2 | - | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | - | - | - |
| MODE (STATISTICS) | - | 4 | - | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | - |
| MULT. PROPERTIES (EQUATION) | 4 | - | 2 | 2 | 2 | 4 | 4 | 2 | 2 | 2 | 2 | 4 | - |
| MULTIPLICATION (DECIMAL) | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| MULTIPLICATION (INTEGER) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| NUMBER LINE (INTEGER) | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| OBTUSE ANGLE | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| OPPOSITIES (INTEGER) | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| ORDER OF OPERATIONS (EQUATION) | 4 | - | 4 | 1 | 3 | 4 | 4 | 4 | - | 3 | 4 | 4 | 3 |
| ORDERED PAIR (COORDINATE SYSTEM) | - | - | 4 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 4 | - |
| ORIGIN (COORDINATE SYSTEM) | - | 4 | 4 | - | 3 | 4 | 4 | 3 | - | 3 | 4 | 4 | - |
| PARALLEL LINES | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | 4 |
| PARALLELOGRAM | 4 | 4 | 3 | 3 | - | 3 | 3 | 4 | 4 | 4 | - | - | - |
| PARALLELOGRAM (AREA) | 4 | - | 4 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | - | - | - |
| PERCENT | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
| PERPENDICULAR LINES | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | - |
| POLYGON | 3 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | - |
| POWER | - | - | 3 | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | 4 | 3 |
| PRIME NUMBER | 4 | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 3 |
| PRISM (VOLUME) | 2 | 3 | 2 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | 3 |
| PROBABILITY | 4 | 3 | - | 4 | 4 | 4 | 3 | 4 | 3 | 4 | - | 4 | - |
| PROPORTION | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| PROTRACTOR | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | 1 | 3 |
| QUADRILATERAL | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | - | - | - |
| RADIUS | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | 3 |
| RATIO | 4 | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| RATIONAL NUMBER | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| REAL NUMBER | - | 4 | - | 4 | 4 | - | 4 | 1 | 4 | 4 | 4 | 4 | 3 |
| RECTANGLE (AREA) | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | - | 3 |
| REPEATING DECIMAL | - | 3 | 4 | 3 | 3 | 1 | 3 | 4 | 4 | 4 | - | - | 3 |
| RIGHT ANGLE | 4 | 4 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | - | - |
| ROUNDING DECIMALS | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| SCALENE TRIANGLE | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| SCIENTIFIC NOTATION | - | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | - |
| SIMPLEST FORM (FRACTION) | 2 | 2 | 4 | 3 | 2 | 4 | 4 | 2 | 2 | 2 | - | - | 3 |
| SOLVING (INEQUALITIES) | 2 | 2 | 4 | 3 | - | 3 | 3 | 4 | 3 | 4 | 4 | 4 | - |
| SQUARE ROOT | - | - | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 3 |
| SUBTRACTION (DECIMAL) | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | - | - | - |
| SUBTRACTION (INTEGER) | - | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 3 |
| SUM OF ANGLES | 4 | - | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 3 | - | - | 3 |
| SURFACE AREA | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | - | - | 3 |
| TRUE AND FALSE (EQUATION) | 4 | 4 | 3 | 3 | - | 3 | 3 | 3 | 3 | - | 3 | 3 | - |
| VARIABLE (EQUATION) | - | - | 4 | 4 | 4 | 3 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| WHOLE NUMBER | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - |
| WORD PROBLEM (PERCENT) | 2 | 2 | - | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | - |