| 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 (FRACTION) | 12 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| ANGLE | 12 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| CENTIMETER | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 |
| CIRCLE | 12 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 4 |
| DECIMAL | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| DENOMINATOR | 12 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| DIVISION (WHOLE NUMBER) | 12 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 3 |
| EQUIVALENT FRACTIONS | 12 | 4 | 4 | 3 | 2 | 4 | 4 | 2 | 4 | 4 | 2 | 4 | 4 |
| ESTIMATING PRODUCTS (WHOLE NUMBER) | 12 | 2 | 3 | 3 | 3 | 4 | 4 | 3 | 2 | 4 | 4 | 4 | 4 |
| FACTOR (WHOLE NUMBER) | 12 | 3 | 4 | 3 | 1 | 3 | 4 | 3 | 4 | 3 | 1 | 3 | 4 |
| INCH | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| MIXED NUMERAL | 12 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| MULTIPLICATION (WHOLE NUMBER) | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 3 |
| NUMERATOR | 12 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| PARALLEL LINES | 12 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 |
| REMAINDER (WHOLE NUMBER) | 12 | 4 | 2 | 3 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 4 |
| RIGHT ANGLE | 12 | 4 | 4 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 |
| SUBTRACTION (WHOLE NUMBER) | 12 | 4 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 3 | 3 | 4 | 3 |
| SUBTRACTION (FRACTION) | 12 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| ADDITION (DECIMAL) | 11 | 4 | - | 4 | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| CONE | 11 | 3 | - | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| CYLINDER | 11 | 3 | - | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| DIVISOR QUOTIENT (WHOLE NUMBER) | 11 | 3 | 4 | 4 | - | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| ESTIMATING SUMS (WHOLE NUMBER) | 11 | - | 3 | 4 | 3 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 |
| FRACTION | 11 | 3 | - | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 4 |
| LINE | 11 | 4 | 4 | 4 | 3 | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| LIQUID MEASURE | 11 | 3 | - | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 3 |
| MULT. AND DIVISION (WHOLE NUMBER) | 11 | 2 | 2 | 3 | - | 3 | 3 | 2 | 3 | 3 | 3 | 4 | 3 |
| PLACE VALUE (NUMBERS) | 11 | 4 | 2 | - | 2 | 3 | 3 | 3 | 2 | 3 | 3 | 4 | 4 |
| RECTANGLE | 11 | - | 3 | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
| SQUARE | 11 | - | 3 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 4 |
| SUBTRACTION (DECIMAL) | 11 | 4 | - | 4 | 3 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| WORD PROBLEMS (WHOLE NUMBER) | 11 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 |
| ADD AND SUBTRACTION RELATION | 10 | 2 | 4 | 3 | - | 3 | 3 | 2 | 2 | 3 | 3 | 3 | - |
| ADDEND (WHOLE NUMBER) | 10 | 3 | 3 | - | - | 3 | 4 | 3 | 4 | 3 | 3 | 4 | 3 |
| ADDITION (WHOLE NUMBER) | 10 | - | 3 | - | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 3 |
| AREA | 10 | - | 3 | 4 | 4 | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 |
| BAR GRAPH (STATISTICS) | 10 | 3 | - | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| COMMUTATIVE (ADD.) (WHOLE NUMBER) | 10 | 4 | 2 | - | - | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 |
| DIAMETER | 10 | 4 | 3 | 3 | 3 | - | - | 4 | 4 | 4 | 3 | 4 | 4 |
| FOOT | 10 | 3 | 3 | 3 | - | 3 | 3 | 3 | 3 | - | 3 | 3 | 3 |
| LINE SEGMENT | 10 | 4 | 4 | 3 | - | 2 | - | 4 | 4 | 4 | 2 | 4 | 4 |
| METRIC UNITS | 10 | 3 | 3 | 2 | 3 | 3 | 3 | - | 3 | - | 3 | 3 | 3 |
| PERIMETER | 10 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 4 |
| POINT | 10 | 4 | - | 3 | 3 | 4 | - | 4 | 3 | 3 | 3 | 4 | 3 |
| POLYGON | 10 | - | 4 | 1 | - | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 |
| PROBLEM SOLVING | 10 | 2 | - | 2 | 3 | 4 | 4 | 4 | 4 | - | 4 | 3 | 4 |
| RADIUS | 10 | 4 | 3 | 3 | 3 | - | - | 4 | 4 | 4 | 3 | 4 | 4 |
| SPHERE | 10 | 3 | - | 3 | 3 | 3 | 4 | 3 | 3 | 3 | - | 4 | 3 |
| TEMPERATURE | 10 | 2 | - | - | 1 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 4 |
| TENTHS HUNDREDTHS (DECIMAL) | 10 | 4 | - | 3 | - | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 |
| TRIANGLE | 10 | - | 4 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | - | 3 | 3 |
| VOLUME | 10 | - | - | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| AVERAGE (STATISTICS) | 9 | - | - | - | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| CUBE | 9 | - | - | - | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| IDENTITY (MULT.) (WHOLE NUMBER) | 9 | 4 | 2 | - | - | 2 | 2 | 2 | 2 | - | 2 | 2 | 4 |
| INEQUALITY (NUMBERS) | 9 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - | - |
| INEQUALITY SIGN | 9 | - | - | 4 | 3 | 4 | 3 | 3 | 3 | - | 3 | 3 | 2 |
| MULT. PROPERTIES (WHOLE NUMBER) | 9 | 3 | 2 | - | - | 4 | 2 | 2 | 4 | 3 | - | 3 | 3 |
| NUMBER SENTENCE (EQUATION) | 9 | 3 | - | 3 | - | - | 2 | 3 | 3 | 3 | 3 | 4 | 3 |
| PROBABILITY | 9 | 3 | - | 2 | - | 1 | 1 | 3 | 1 | - | 1 | 4 | 4 |
| RAY | 9 | 4 | 4 | - | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 4 |
| RECTANGLE (AREA) | 9 | - | - | 4 | - | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 4 |
| RECTANGULAR PRISM | 9 | - | - | 3 | - | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| REPEATED ADDITION (WHOLE NUMBER) | 9 | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | - | - |
| ROUNDING | 9 | - | - | 3 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| SIMPLEST FORM (FRACTION) | 9 | 4 | 2 | 3 | 3 | 2 | - | - | 2 | 2 | - | 4 | 4 |
| SQUARE CENTIMETER | 9 | 3 | 4 | 3 | - | - | 3 | 3 | 3 | 3 | 3 | - | 3 |
| TIME | 9 | 3 | - | - | 3 | 4 | 4 | 3 | 3 | - | 3 | 1 | 3 |
| UNIT VOLUME | 9 | 2 | 2 | - | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | - |
| 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 (FRACTION) | 9 | - | 2 | 2 | - | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 |
| ADD BY REGROUPING (WHOLE NUMBER) | 8 | 2 | 4 | - | - | 2 | 2 | - | 4 | 3 | 2 | 3 | - |
| CENTER (CIRCLE) | 8 | - | 3 | 3 | 3 | - | - | 3 | 3 | 3 | 3 | 4 | - |
| CENTIGRADE SCALE | 8 | 3 | - | - | - | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 |
| CONGRUENT POLYGONS | 8 | 2 | 2 | - | - | 2 | - | - | 4 | 2 | 4 | 2 | 2 |
| EVEN AND ODD NUMBER | 8 | 3 | 4 | 3 | 1 | 4 | 1 | 3 | - | - | 1 | - | - |
| FACE (POLYHEDRON) | 8 | 4 | - | 3 | - | 3 | 3 | - | 4 | 3 | - | 3 | 4 |
| FAHRENHEIT SCALE | 8 | 3 | - | - | - | 3 | 3 | 3 | 3 | - | 3 | 4 | 4 |
| IDENTITY (ADDITION) (WHOLE NUMBER) | 8 | 3 | - | - | - | 2 | - | 2 | 2 | 2 | 2 | 2 | 4 |
| INTERSECTING LINES | 8 | - | 2 | 3 | - | 4 | - | 4 | 4 | - | 3 | 4 | 4 |
| LINE GRAPH (STATISTICS) | 8 | - | 3 | 3 | - | 3 | 3 | - | 3 | - | 2 | 4 | 4 |
| MONEY | 8 | 3 | - | 3 | 3 | 3 | 3 | - | 3 | - | - | 4 | 3 |
| MULT. BY GROUPING (WHOLE NUMBER) | 8 | 2 | 3 | - | - | 2 | 3 | 3 | 2 | 3 | 3 | - | - |
| MULTIPLES OF TEN | 8 | 3 | - | 3 | - | 3 | 3 | 3 | - | - | 3 | 3 | 3 |
| ORDERED PAIR (COORDINATE SYSTEM) | 8 | 3 | - | 3 | - | 2 | - | 3 | 4 | - | 2 | 4 | 4 |
| QUADRILATERAL | 8 | - | 4 | - | 3 | 3 | 3 | - | 4 | 4 | - | 3 | 3 |
| RULER (MEASUREMENT) | 8 | 3 | - | - | 3 | 3 | 3 | 3 | 3 | 3 | - | 3 | - |
| THREE ADDENDS (WHOLE NUMBER) | 8 | 3 | - | 2 | 2 | 3 | 2 | - | 2 | 3 | 3 | - | - |
| WHOLE NUMBER | 8 | 3 | - | 3 | - | 3 | 3 | - | 3 | - | 3 | 3 | 3 |
| DECIMAL NOTATION | 7 | 2 | - | - | - | 3 | 3 | - | - | 3 | 3 | 2 | 4 |
| DIVISION BY TEN (WHOLE NUMBER) | 7 | - | - | 3 | 3 | 3 | 3 | 3 | 3 | - | 3 | - | - |
| EDGE (POLYHEDRON) | 7 | 3 | - | 3 | - | 3 | - | - | 4 | 3 | - | 4 | 4 |
| ENGLISH UNITS (MEASUREMENT) | 7 | - | 2 | - | 2 | 2 | - | 2 | 2 | 2 | - | 2 | - |
| ESTIMATING PRODUCTS (WHOLE NUMBER) | 7 | 3 | 3 | - | - | 4 | 3 | - | 3 | - | - | 4 | 4 |
| EXPANDED FORM | 7 | 4 | - | - | - | - | 2 | 2 | 3 | - | 3 | 4 | 4 |
| GREATER THAN (FRACTION) | 7 | - | - | 3 | 3 | 4 | 3 | 3 | 3 | - | 3 | - | - |
| LENGTH | 7 | - | - | - | - | 3 | 3 | 3 | 3 | - | 3 | 3 | 4 |
| LOCATING POINTS (COORDINATE SYSTEM) | 7 | 3 | - | - | - | 2 | - | 2 | 3 | - | 3 | 4 | 3 |