| Range of Terms (top 100 most frequently used) |
Total | Textbook series (usage code) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
| ADDITION (DECIMAL) | 12 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| ADDITION (FRACTION) | 12 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| ANGLE | 12 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 |
| AREA OF TRIANGLE | 12 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| DECIMAL | 12 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| DIVISION (DECIMAL) | 12 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| DIVISION (FRACTION) | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| EQUIVALENT FRACTIONS | 12 | 4 | 3 | 4 | 2 | 4 | 4 | 2 | 4 | 4 | 2 | 4 | 4 |
| LINE GRAPH (STATISTICS) | 12 | 2 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| MIXED NUMERAL | 12 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| MULTIPLICATION (DECIMAL) | 12 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| MULTIPLICATION (FRACTION) | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PARALLEL LINES | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PARALLELOGRAM | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PERCENT | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PERPENDICULAR LINES | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 4 |
| PROBLEM SOLVING | 12 | 2 | 2 | 2 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| RECIPROCAL (FRACTION) | 12 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| SIMPLEST FORM (FRACTION) | 12 | 4 | 2 | 4 | 4 | 2 | 4 | 4 | 2 | 2 | 2 | 4 | 4 |
| SUBTRACTION (FRACTION) | 12 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| CIRCLE | 11 | 4 | 4 | - | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 4 | 4 |
| DEGREE (ANGLE) | 11 | 4 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | - | 2 | 4 |
| DENOMINATOR | 11 | 3 | 3 | - | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 4 |
| EQUILATERAL TRIANGLE | 11 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| FRACTION | 11 | 3 | 3 | - | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 |
| INTEGER | 11 | 4 | 3 | 4 | - | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 4 |
| ISOSCELES TRIANGLE | 11 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| NUMBER LINE (INTEGER) | 11 | 3 | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| NUMERATOR | 11 | 3 | 3 | - | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 4 |
| OPPOSITIES (INTEGER) | 11 | 3 | 4 | 4 | - | 3 | 4 | 4 | 3 | 3 | 3 | 4 | 4 |
| PERCENT NOTATION | 11 | 3 | 4 | - | 4 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 2 |
| POSITIVE INTEGER | 11 | 4 | 3 | 3 | - | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 4 |
| PROBABILITY | 11 | 3 | 3 | 3 | - | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| PROPORTION | 11 | 4 | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PROTRACTOR | 11 | 3 | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 4 | 3 | - | 3 |
| RADIUS | 11 | 4 | 3 | - | 3 | 4 | 4 | 3 | 4 | 3 | 4 | 4 | 4 |
| RATIO | 11 | 3 | 3 | 4 | - | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 |
| RIGHT ANGLE | 11 | 4 | 3 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| SQUARE | 11 | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| SUBTRACTION (DECIMAL) | 11 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | - | 3 |
| TRIANGLE | 11 | 3 | - | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 |
| VOLUME | 11 | 2 | 4 | 4 | 4 | 4 | 4 | - | 4 | 4 | 3 | 3 | 4 |
| WHOLE NUMBER | 11 | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| WORD PROBLEM (FRACTION) | 11 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - |
| ACUTE ANGLE | 10 | 4 | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| AVERAGE (STATISTICS) | 10 | - | 4 | - | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| CENTER (CIRCLE) | 10 | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | - | 4 | 4 | 4 |
| CENTIMETER | 10 | 3 | - | 3 | 3 | 4 | 4 | 3 | 4 | 3 | 4 | - | 3 |
| CIRCLE (AREA) | 10 | - | 4 | 4 | 4 | 4 | - | 4 | 1 | 4 | 1 | 4 | 4 |
| CIRCLE GRAPH (STATISTICS) | 10 | 3 | - | 3 | - | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 4 |
| CIRCUMFERENCE | 10 | 4 | 4 | 4 | 4 | 4 | - | - | 4 | 4 | 4 | 4 | 4 |
| DIVISION (WHOLE NUMBER) | 10 | 2 | 2 | 3 | - | 4 | 4 | 4 | 4 | 3 | 4 | - | 3 |
| EQUATION | 10 | 4 | 3 | 4 | - | 3 | 4 | - | 3 | 3 | 3 | 4 | 4 |
| ESTIMATING PRODUCTS (WHOLE NUMBER) | 10 | 4 | 3 | 4 | - | 3 | 4 | 4 | 3 | 4 | 3 | - | 4 |
| EXPONENT | 10 | 4 | 4 | - | 3 | 4 | 1 | - | 4 | 4 | 4 | 4 | 3 |
| FACTOR (WHOLE NUMBER) | 10 | 3 | 3 | - | - | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 3 |
| LCD (FRACTION) | 10 | 4 | - | 4 | 4 | 4 | 3 | - | 3 | 3 | 3 | 4 | 4 |
| LINE | 10 | 3 | 4 | - | - | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 4 |
| METRIC UNITS | 10 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | 2 |
| NEGATIVE INTEGER | 10 | 4 | 3 | - | - | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 4 |
| OBTUSE ANGLE | 10 | 4 | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| PLACE VALUE (NUMBERS) | 10 | 4 | 4 | 4 | 2 | 3 | 3 | 3 | 3 | 3 | - | - | 3 |
| POLYGON | 10 | 4 | - | - | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
| PRIME NUMBER | 10 | 4 | 4 | 4 | 1 | - | 4 | 4 | 4 | - | 4 | 4 | 4 |
| RECTANGLE | 10 | 4 | 4 | - | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| RECTANGLE (AREA) | 10 | - | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 |
| ROUNDING DECIMALS | 10 | - | 4 | - | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| SUBTRACTION (INTEGER) | 10 | 4 | 4 | 4 | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| VERTEX (ANGLE) | 10 | 4 | 4 | 3 | - | 3 | - | 3 | 4 | 3 | 4 | 4 | 3 |
| ADDITION (INTEGER) | 9 | - | 4 | 3 | - | 4 | 4 | 4 | 4 | - | 4 | 4 | 4 |
| DIAMETER | 9 | 4 | - | - | 4 | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 |
| DIVISOR QUOTIENT (WHOLE NUMBER) | 9 | 3 | - | - | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| ESTIMATING PRODUCTS (WHOLE NUMBER) | 9 | 4 | - | 4 | - | 4 | 4 | 4 | 2 | 4 | 4 | - | 3 |
| ESTIMATION (DECIMAL ) | 9 | 3 | 4 | - | 3 | 4 | 4 | - | 3 | 3 | 4 | - | 4 |
| FRACTION TO DECIMAL | 9 | 2 | 3 | - | 3 | 3 | - | 3 | 3 | 3 | 3 | 4 | - |
| GCF (WHOLE NUMBER) | 9 | 4 | 4 | 3 | - | - | 4 | 3 | 4 | - | 3 | 4 | 4 |
| LCM (WHOLE NUMBER) | 9 | 4 | 4 | - | - | - | 3 | 3 | 4 | 3 | 3 | 4 | 4 |
| LENGTH | 9 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | 3 | 3 | - |
| LINE SEGMENT | 9 | 4 | 3 | - | - | 3 | 3 | 4 | 4 | 4 | 2 | - | 4 |
| LOCATING POINTS (COORDINATE SYSTEM) | 9 | 3 | - | 2 | 3 | 3 | 2 | - | 3 | - | 3 | 2 | 2 |
| MULT. PROPERTIES (WHOLE NUMBER) | 9 | 3 | 2 | 2 | - | 4 | 4 | 4 | 4 | 4 | 1 | - | - |
| MULTIPLE (WHOLE NUMBER) | 9 | - | 3 | - | 3 | 3 | 4 | 3 | - | 4 | 3 | 4 | 4 |
| MULTIPLICATION (WHOLE NUMBER) | 9 | - | - | 3 | 3 | 4 | 3 | 3 | 4 | 3 | 4 | - | 3 |
| ORDERED PAIR (COORDINATE SYSTEM) | 9 | - | - | 4 | 2 | 3 | 2 | 2 | 4 | - | 3 | 4 | 4 |
| PERIMETER | 9 | - | 4 | 3 | 4 | 4 | 4 | - | 4 | 4 | - | 3 | 4 |
| PRISM (VOLUME) | 9 | 2 | - | 3 | 2 | - | 4 | 3 | 2 | 2 | 4 | 4 | - |
| QUADRILATERAL | 9 | 3 | - | - | 3 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| RHOMBUS | 9 | 4 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 | - | - | 4 |
| RIGHT TRIANGLE | 9 | - | - | 4 | 4 | 4 | 4 | 4 | - | 4 | 4 | 4 | 4 |
| SUBTRACTION (WHOLE NUMBER) | 9 | 3 | - | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | - | - |
| SUM OF ANGLES | 9 | - | 4 | - | 4 | 3 | - | 3 | 1 | 3 | 3 | 4 | 3 |
| SURFACE AREA | 9 | - | 4 | - | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| TENTHS HUNDREDTHS (DECIMAL) | 9 | 4 | 3 | - | 3 | 3 | 3 | - | 3 | 3 | 4 | 3 | - |
| THOUSANDTHS (DECIMAL) | 9 | 4 | 3 | - | 3 | 3 | 3 | - | 3 | 3 | 4 | 3 | - |
| WEIGHT | 9 | 3 | - | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | - | 4 |
| WORD PROBLEM (DECIMAL) | 9 | - | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | 2 |
| WORD PROBLEM (PERCENT) | 9 | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | - | 2 | 2 | - |
| WORD PROBLEM (RATIO) | 9 | 2 | 3 | - | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - |
| BAR GRAPH (STATISTICS) | 8 | 3 | - | - | 3 | 3 | 3 | 4 | 3 | - | 3 | - | 4 |
| CONGRUENT ANGLES | 8 | 4 | 4 | 4 | 4 | 4 | - | - | 4 | - | - | 4 | 4 |