| 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 | ||
| CENTIMETER | 12 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| FRACTION | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| INCH | 12 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 |
| MULTIPLICATION (WHOLE NUMBER) | 12 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| SQUARE | 12 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 |
| SUBTRACTION (WHOLE NUMBER) | 12 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 3 |
| TIME | 12 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| WORD PROBLEMS (WHOLE NUMBER) | 12 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| ADD BY REGROUPING (WHOLE NUMBER) | 11 | 2 | 4 | 2 | - | 2 | 2 | 2 | 4 | 3 | 2 | 4 | 4 |
| AREA | 11 | 2 | - | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 |
| CIRCLE | 11 | - | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 |
| DIVISION (WHOLE NUMBER) | 11 | - | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 4 |
| LIQUID MEASURE | 11 | 3 | 3 | - | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| MULT. AND DIVISION (WHOLE NUMBER) | 11 | 2 | 4 | 3 | 3 | 3 | - | 2 | 3 | 3 | 3 | 3 | 3 |
| RECTANGLE | 11 | 3 | - | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 |
| REMAINDER (WHOLE NUMBER) | 11 | 4 | 2 | 4 | 3 | 3 | 3 | - | 3 | 4 | 3 | 4 | 4 |
| SPHERE | 11 | 3 | 3 | - | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| TRIANGLE | 11 | - | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
| WEIGHT | 11 | 3 | - | 3 | 2 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 4 |
| ADD AND SUBTRACTION RELATION | 10 | - | 4 | 2 | - | 3 | 3 | 2 | 3 | 3 | 3 | 2 | 4 |
| ADDEND (WHOLE NUMBER) | 10 | 3 | 3 | - | - | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 3 |
| ADDITION (WHOLE NUMBER) | 10 | - | - | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 |
| BAR GRAPH (STATISTICS) | 10 | 1 | 3 | - | 1 | 3 | 3 | 3 | 1 | - | 3 | 4 | 4 |
| CYLINDER | 10 | - | 3 | - | 3 | 3 | 2 | 3 | 4 | 3 | 3 | 3 | 3 |
| DECIMAL | 10 | - | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| IDENTITY (MULT.) (WHOLE NUMBER) | 10 | 2 | 2 | 2 | - | 2 | 2 | 2 | 2 | - | 2 | 2 | 4 |
| LINE SEGMENT | 10 | 4 | 4 | 3 | - | 2 | - | 3 | 3 | 3 | 3 | 4 | 4 |
| MONEY | 10 | 3 | 3 | 3 | - | 3 | 3 | 2 | 3 | - | 3 | 4 | 3 |
| MULT. BY GROUPING (WHOLE NUMBER) | 10 | - | 4 | 3 | - | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| PROBLEM SOLVING | 10 | 2 | - | - | 3 | 4 | 3 | 4 | 3 | 4 | 4 | 4 | 4 |
| REPEATED ADDITION (WHOLE NUMBER) | 10 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | - |
| SYMBOLS FOR DIVSION | 10 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | - | 3 | - |
| CUBE | 9 | - | - | 3 | 3 | 3 | - | 3 | 4 | 3 | 3 | 3 | 3 |
| EQUIVALENT FRACTIONS | 9 | - | 4 | 2 | 2 | 4 | - | 2 | 4 | 4 | - | 4 | 4 |
| FACTOR (WHOLE NUMBER) | 9 | 3 | 4 | - | - | 3 | 3 | 3 | 4 | - | 1 | 4 | 4 |
| GREATER THAN (FRACTION) | 9 | - | 3 | 2 | 3 | 3 | - | 3 | 3 | 4 | 3 | 3 | - |
| INEQUALITY (NUMBERS) | 9 | 3 | - | 2 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 | - |
| INEQUALITY SIGN | 9 | - | - | 4 | 2 | 4 | 3 | 3 | 3 | - | 3 | 4 | 2 |
| MULT. COMBINATIONS (WHOLE NUMBER) | 9 | 2 | 2 | - | - | 2 | 2 | 2 | 2 | 2 | 2 | - | 2 |
| PERIMETER | 9 | - | - | - | 4 | 4 | 2 | 4 | 4 | 4 | 3 | 4 | 4 |
| RECTANGULAR PRISM | 9 | 2 | - | 2 | - | 3 | 2 | - | 3 | 3 | 3 | 3 | 3 |
| RIGHT ANGLE | 9 | 1 | - | 3 | - | 3 | 2 | 3 | 1 | - | 4 | 4 | 4 |
| ROUNDING | 9 | - | - | - | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| THREE ADDENDS (WHOLE NUMBER) | 9 | - | - | 2 | 2 | 3 | 2 | - | 2 | 2 | 3 | 3 | 3 |
| UNIT AREA | 9 | 2 | 2 | 2 | 2 | 2 | - | 2 | 2 | 2 | - | 2 | - |
| VOLUME | 9 | - | - | 4 | 4 | 3 | - | 3 | 4 | 4 | 4 | 4 | 4 |
| DIVISOR QUOTIENT (WHOLE NUMBER) | 8 | 3 | - | - | 3 | 3 | - | 3 | 3 | - | 3 | 4 | 4 |
| ENGLISH UNITS (MEASUREMENT) | 8 | - | 3 | 2 | 2 | 2 | - | 2 | 2 | 2 | - | 2 | - |
| ESTIMATING SUMS (WHOLE NUMBER) | 8 | 4 | - | - | - | 4 | - | 3 | 4 | 4 | 3 | 4 | 4 |
| EVEN AND ODD NUMBER | 8 | 4 | - | - | - | 3 | 4 | 4 | 1 | - | 1 | 4 | 1 |
| LESS THAN (FRACTION) | 8 | - | 3 | 3 | 3 | 3 | - | - | 3 | 4 | 3 | 3 | - |
| METRIC UNITS | 8 | - | 3 | 2 | 2 | - | - | - | 3 | 3 | 3 | 3 | 4 |
| MULT. PROPERTIES (WHOLE NUMBER) | 8 | 3 | 2 | - | - | 2 | - | 2 | 2 | 3 | - | 3 | 2 |
| PICTOGRAPH (STATISTICS) | 8 | - | - | - | 2 | 2 | - | 3 | 1 | 1 | 3 | 4 | 4 |
| PLACE VALUE (NUMBERS) | 8 | 3 | - | 3 | - | 3 | 3 | 3 | - | - | 3 | 4 | 4 |
| TENTHS HUNDREDTHS (DECIMAL) | 8 | - | - | 3 | - | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| ANGLE | 7 | 1 | - | 3 | - | 3 | - | - | 1 | - | 3 | 4 | 4 |
| COMMUTATIVE (ADD.) (WHOLE NUMBER) | 7 | 4 | 2 | - | - | 2 | 2 | 2 | - | - | - | 4 | 4 |
| CONE | 7 | - | - | - | 3 | - | 3 | 3 | 3 | 3 | - | 3 | 3 |
| DECIMAL NOTATION | 7 | - | - | - | - | 3 | 3 | - | 3 | 4 | 3 | 2 | 2 |
| DENOMINATOR | 7 | - | - | - | 3 | - | 2 | 3 | 3 | 4 | - | 4 | 4 |
| FAHRENHEIT SCALE | 7 | - | 3 | - | - | 3 | - | 3 | 1 | - | 1 | 4 | 4 |
| FOOT | 7 | - | - | - | - | 3 | 3 | 3 | 3 | - | 3 | 3 | 3 |
| LENGTH | 7 | - | - | - | - | 3 | 3 | 3 | 3 | - | 3 | 3 | 4 |
| NUMBER LINE (NUMBERS) | 7 | 3 | 3 | - | - | 3 | - | 2 | - | - | 3 | 2 | 3 |
| NUMERATOR | 7 | - | - | - | 3 | - | 2 | 3 | 3 | 4 | - | 4 | 4 |
| ORDINAL NUMBER | 7 | - | 3 | 4 | - | 4 | - | - | 3 | 1 | 3 | - | 4 |
| RULER (MEASUREMENT) | 7 | - | 3 | - | - | 3 | 3 | 3 | 3 | 3 | - | 3 | - |
| TEMPERATURE | 7 | - | - | - | 1 | 3 | - | 3 | 3 | 1 | 1 | - | 3 |
| UNIT VOLUME | 7 | - | - | - | 2 | 2 | - | 2 | 2 | 2 | 2 | 2 | - |
| COMPUTER (PROBLEM SOLVING) | 6 | - | - | - | - | 1 | 4 | 4 | 1 | 1 | 1 | - | - |
| CONGRUENT PARTS (FRACTION) | 6 | 2 | - | 2 | - | 2 | 2 | - | 2 | - | 2 | - | - |
| MIXED NUMERAL | 6 | - | - | 2 | 2 | 2 | - | - | 3 | - | - | 2 | 2 |
| MULTIPLES OF FIVE | 6 | - | 3 | - | - | 2 | 2 | - | - | - | 2 | 2 | 2 |
| MULTIPLES OF TWO | 6 | 2 | - | - | - | 2 | 2 | - | - | - | 2 | 4 | 2 |
| NUMBER SENTENCE (EQUATION) | 6 | 3 | 3 | - | - | - | - | 2 | 3 | - | 3 | 4 | - |
| ORDERED PAIR (COORDINATE SYSTEM) | 6 | 4 | - | - | - | 2 | - | - | 1 | - | 2 | 4 | 4 |
| ORDERING (NUMBERS) | 6 | 3 | - | - | - | - | 3 | - | 3 | - | 3 | 4 | 3 |
| PROBABILITY | 6 | 3 | - | - | - | 1 | - | 3 | 1 | - | - | 4 | 4 |
| PYRAMID | 6 | - | 3 | - | 3 | - | 3 | - | - | 3 | - | 3 | 3 |
| REPEATED SUBTRACTION (WHOLE NUMBER) | 6 | - | 2 | 3 | 2 | - | - | 2 | - | 2 | - | - | 3 |
| ADDITION (DECIMAL) | 5 | - | - | - | - | 4 | - | - | 4 | 3 | - | 4 | 3 |
| ASSOCIATIVE (ADD.) (WHOLE NUMBER) | 5 | 4 | 2 | - | - | - | - | 2 | 2 | - | - | 4 | - |
| CONGRUENT POLYGONS | 5 | - | - | - | - | 2 | - | - | - | 2 | 2 | 2 | 2 |
| EDGE (POLYHEDRON) | 5 | - | - | 3 | - | - | 4 | - | 4 | - | - | 4 | 4 |
| EXPANDED FORM | 5 | 2 | 3 | - | - | - | - | - | - | - | 3 | 3 | 4 |
| FACE (POLYHEDRON) | 5 | 3 | - | 3 | - | - | - | - | 4 | - | - | 4 | 4 |
| FRACTION TO DECIMAL | 5 | - | - | 3 | 3 | 3 | 3 | - | - | - | 3 | - | - |
| IDENTITY (ADDITION) (WHOLE NUMBER) | 5 | - | 2 | - | - | - | - | 2 | 2 | - | - | 2 | 4 |
| KILOMETER | 5 | - | - | - | - | 3 | 3 | - | 4 | - | 3 | 3 | - |
| MEASUREMENT | 5 | - | 3 | 3 | 3 | - | - | - | - | - | 3 | - | 3 |
| MULTIPLES OF TEN | 5 | - | 2 | - | - | - | - | 4 | - | - | 3 | 4 | 3 |
| ONE HALF | 5 | - | - | - | - | 3 | 3 | - | 3 | 3 | - | 4 | - |
| SET | 5 | 3 | 3 | - | - | 3 | - | 3 | - | - | - | 1 | - |
| SHAPE (MEASUREMENT) | 5 | 2 | - | - | - | 3 | 3 | - | - | 3 | 3 | - | - |
| SUBTRACTION (DECIMAL) | 5 | - | - | - | - | 4 | - | - | 4 | 3 | - | 4 | 3 |
| SUBTRACTION (TWO PLACE) (WHOLE NUMBER) | 5 | - | - | - | 3 | 4 | 4 | - | 3 | - | 4 | - | - |
| WORD PROBLEM (FRACTION) | 5 | - | - | - | - | 2 | - | - | 2 | - | 2 | 2 | 2 |
| ADD. COMBINATIONS (WHOLE NUMBER) | 4 | - | - | - | - | - | - | 2 | 2 | 2 | 2 | - | - |
| CALCULATOR (PROBLEM SOLVING) | 4 | - | - | 2 | - | 1 | 3 | - | 1 | - | - | - | - |