K-12math.info

Most frequently used terms in 21st century (2002-2019) third grade (age 8) textbooks

Out of 1000 terms - 248 different terms were used in third grade student materials
average 96 terms were used per textbook (text)


Series information

11. Houghton Mifflin(2002)

12. McGraw-Hill/Glencoe (2002)

13. OpenSTAX/CNX/Siyavula Grades 1-9 (2009)
--- Grades 10 and 11 (2011)(OER)*
South Africa edition

14. CK-12 Mathematics 1-5 (2015)
--- (OER but not textbooks)
--- CK-12 Mathematics 6-11 (2012) (OER)*

15. Bangladesh Mathematics 1-7 (2013)
--- (OA)** (Online no longer available)

16. McGraw-Hill/Glencoe (2013/2014)

17. Math in Focus - Singapore Math
Dist. by Houghton Mifflin Harcourt K-8 (2013/2015)

18. AAAKnow (formally AAAMath) K-8 (2014)
--- (Open Access resource)

19. Houghton Mifflin K-8 (2015)

20. Khan Academy K-8 (2015)
--- (OER not textbooks) --

22. NCERT 1-11 (2019)
--- India


Code:
USAGE CODE:
4 Term used (formally developed)
3 Term used (to support formal development)
2 Synonym of term used
1 Term used (enrichment)
- Term not present
--- Textbook not available


Range of Terms
(from most frequent)		 Textbook series ( Usage Code )
>> Series >>>
HM (2002)
text
11
McG (2002)
text
12
CNX
OER
13
CK-12
OER
14
Bangladash
text
15
McG (2013)
text
16
Singapore
text
17
AAAKnow
OA
18
HM (2015}
text
19
Khan Academy
OER
20
NCERT
text
22
DIVISION (WHOLE) 44 2 144414 1 4
MULTIPLICATION (WHOLE)44 2 134313 1 4
SUBTRACTION 43 2 143413 1 4
TIME 44 4 134414 1 4
ADDITION (WHOLE)43 2 143413 1 -
FRACTION44 3 244414 1 -
MULT. AND DIVISION 33 3 1 -3313 1 3
WORD PROBLEMS (WHOLE) 22 2 12 -222 1 2
DIVISOR QUOTIENT 44 3 144413 -
EQUIVALENT FRACTIONS 44 2 -44414 1 -
EVEN AND ODD NUMBER 41 2 -43414 4
PLACE VALUE 44 3 144413 -
ROUNDING 44 4 - -4414 1 -
MULTIPLES OF TEN 43 2 1 -3 -23 1 2
MULT. PROPERTIES 32 2 - -3413 1 -
DENOMINATOR 44 - -44414 1 -
NUMERATOR 44 - -44414 1 -
PERIMETER 44 - 1 -4414 1 -
AREA 44 - 1 -4414 1 -
TRIANGLE33 3 1 -4413 -
QUADRILATERAL 44 - -44413 1 -
RECTANGLE 44 4 1444 -4 3
SQUARE 44 3 1444 -4 3
INEQUALITY 2 - 2 22222 - 2
INEQUALITY SIGN 42 4 -3431 - 3
NUMBER LINE 23 3 - -33 -3 1 -
ADD AND SUBTRACTION RELATION24 2 242 -1 - -
ESTIMATING SUMS 44 3 - -4313 -
MULT. COMBINATIONS -2 2 -22 -22 2 2
REMAINDER 44 4 13 -41 - -
REPEATED ADDITION 3 - 2 2 -3212 2
MONEY 43 3 12 -32 - 4
UNIT AREA 2 - 2 - -2222 1 -
LINE 44 - 1334 -4 -
RIGHT ANGLE 44 3 -444 -4 -
POLYGON 44 - 1 -4414 -
PROBLEM SOLVING 44 2 2 -32 -4 -
ORDERING 43 - -3331 - -
ADD BY REGROUPING 44 - - -43 -3 2 -
DIVISION BY TEN 43 - 1 -3 -13 -
FACTOR (WHOLE) 44 - 1 -3 -14 -
NUMBER LINE (FRACTION) 3 - 3 - -33 -3 1 -
WEIGHT 34 2 -3 -41 - 4
CENTIMETER 33 3 -3 -31 - 3
METRIC UNITS 34 2 -2 -31 - 2
ANGLE 44 - -344 -4 - -
HEXAGON 33 - - -4413 -
PENTAGON 33 - - -4313 -
CIRCLE 34 3 14 -4 - - -
NUMBER SENTENCE 4 - 3 1 -3 -13 -
BAR GRAPH 44 3 - - -4 -4 1 2
PICTOGRAPH 44 - - -42 -2 1 -
SET 1 - - 1 -33 -3 -
COUNTING -3 3 -3 -31 - 3
EXPANDED FORM 34 - - -431 - -
WHOLE NUMBER -3 - - -33 -3 1 -
ARRAY (MULT.) (WHOLE) 44 - - -44 -4 -
COMMUTATIVE (ADD.) 44 2 - -4 - -4 -
IDENTITY (MULT.) 24 - - -4 -14 -
MULTIPLES OF TWO 42 3 - - - -22 -
REPEATED SUBT. -3 - -33 -13 -
ADDITION (FRACTION) 33 3 -4 - -1 - -
INEQUALITY (FRACTION) -2 - -22 - -2 2 2
LIQUID MEASURE 33 3 1 - - - -3 2
INCH 43 - - - -313 -
MEASUREMENT (LENGTH 4 - - - -3313 -
RECTANGLE (AREA) - - 4 1 -4 -13 -
CAPACITY 44 - 1 -44 - - -
EQUILATERAL TRI. 44 3 1 - - -1 - -
RIGHT TRIANGLE 44 - 1 -4 -1 - -
RHOMBUS -4 - 1 -44 -4 -
TRAPEZOID -4 - 1 -44 -4 -
ADD. COMBINATIONS (WHOLE) - - 2 - -2 -22 -
DISTRIBUTIVE (WHOLE) - - - - -4 -13 1 -
DIVISION BY ZERO 43 - -3 - - -3 -
DIVISION COMBINATIONS 2 - 2 - -2 -2 - -
MULTIPLE -4 3 1 -4 - - - -
MULTIPLES OF FIVE 22 3 - - - -2 - -
MULT. BY GROUPING 34 3 -2 - - - - -
SYMBOLS FOR DIVSION 3 - 3 - - - -13 -
THREE ADDENDS 33 - - - - -22 -
ONE HALF 4 - 2 -4 - - - - 2 3
SUBTRACTION (FRACTION) 33 - -4 - -1 - -
WORD PROBLEM (FRACTION) 22 - - -2 - -2 -
DECIMAL 44 - 1 - - -1 - -
TENTHS HUNDREDTHS 33 - 1 - - -1 - -
MEASUREMENT -3 3 -3 -3 - - 2
KILOMETER 3 - - -4 -31 - -
LENGTH 34 3 -3 - - - - -
PERIMETER (QUAD.) - - 2 2 - - -22 -
VOLUME 44 - - - - -1 - 1 -
POINT -3 - -4 -4 -4 -
LINE SEGMENT 44 - - - -4 -4 -
PARALLEL LINES -4 - 1 - -4 -4 -
RAY 44 - - -4 - -4 -
ISOSCELES TRIANGLE 44 - 1 - - -1 - -
EQUATION - - - 1 -4 -14 -
COLLECTING 2 - 3 - -3 - -3 3
MENTAL ARITHMETIC - - - - -231 - 3
ORDINAL NUMBER -4 3 -3 - - - - -
WRITING NUMBERS 1 - - -3 -3 - - -
ADDEND (WHOLE) 43 - - -3 - - - -
ASSOCIATIVE (ADD.) 4 - - - -4 - -4 -
DIVISION WITH NUMBER LINE 3 - - - -3 - -3 -
IDENTITY (ADDITION) 24 - - -4 - - - -
MIXED OPERATIONS - - - 1 - - -2 - 2 -
SUBT. (TWO PLACE) - - 2 -2 - -1 - -
SYMBOLS FOR ADDITION 3 - 3 - - - -1 - -
SYMBOLS FOR MULTIPLICATION. 3 - 3 - -4 - - - -
ADDITION (DECIMAL) 43 - - - - -1 - -
DECIMAL NOTATION 22 - - - - -1 - -
SUBTRACTION (DECIMAL) 43 - - - - -1 - -
WORD PROBLEM (DECIMAL) 22 - - - - -2 - -
ENGLISH UNITS 2 - - 1 - -2 - - -
FAHRENHEIT SCALE 44 - - - -4 - - -
FOOT 33 - - - -4 - - -
SQUARE (AREA) - - 4 1 - - -1 - -
PERPENDICULAR LINES - - - 1 - -4 -4 -
ACUTE TRIANGLE -4 - 1 - - -1 - -
SCALENE TRIANGLE -4 - 1 - - -1 - -
PARALLELOGRAM 44 - - -4 - - - -
CURVE - - - 13 - - -3 -
CONE 33 3 - - - - - - -
CUBE 33 3 - - - - - - -
CYLINDER 33 3 - - - - - - -
EDGE (POLYHEDRON) 44 - 1 - - - - - 3
FACE (POLYHEDRON) 44 - 1 - - - - - -
PYRAMID 33 3 - - - - - - -
RECTANGULAR PRISM 33 2 - - - - - - -
SPHERE 33 3 - - - - - - -
THREE DIMENSION -3 2 1 - - - - - -
VERTICES (SOLIDS) 34 - 1 - - - - - -
REFLECTION -4 - 2 - -2 - - -
ROTATION -4 - 1 - -4 - - -
FREQUENCY TABLE - - - - -42 -4 -
GRAPH 33 3 - - - - - - -
VENN DIAGRAM (SET) 1 - - - - - - -3 -
ABACUS -1 - -2 - - - - -
AFTER CONCEPT 3 - - - - - -1 - 2
BEFORE CONCEPT 3 - - - - - -1 - 2
EQUALITY - - 2 - - - -2 - -
SEQUENCE - - - 1 - - -1 - -
SQUARE NUMBER 44 - - - - - - - -
COLUMN ADDITION 3 - 2 - - - - - - -
GREATER THAN (FRACTION) 3 - - - - - -2 - -
MIXED NUMERAL 22 - - - - - - - -
PIE APPROACH - - - - - - - -2 2 -
SIMPLEST FORM -4 - - - -4 - - -
EQUIVALENT DECIMAL -4 - 1 - - - - - -
ESTIMATION (DECIMAL 1 - - - - - -1 - -
PLACE VALUE (DECIMAL) 33 - - - - - - - -
THOUSANDTHS - - - 1 - - -1 - -
APPROXIMATION - - 2 - - -2 - - -
RULER 3 - - - - - - -3 -
SCALE DRAWING 1 - 3 - - - - - - -
SHAPE - - - - -33 - - 3
TEMPERATURE -3 - - - -4 - - -
UNIT VOLUME 2 - - - -2 - - - -
PERIMETER (POLYGON) 2 - - - - - -1 - -
SQUARE CENTIMETER - - 3 - - -4 - - -
INTERSECTING LINES -4 - - - - - -4 -
ACUTE ANGLE - - 3 -4 - - - - -
OBTUSE ANGLE - - 3 -4 - - - - -
VERTEX (ANGLE) - - - - -4 - -4 -
CONGRUENT POLYGONS 22 - - - - - - - -
NAMING OF POLYGONS 3 - - - - - -1 - -
CONSTRUCTION - - 2 -2 - - - - -
DIAMETER -4 3 - - - - - - -
RADIUS -4 4 - - - - - - -
PLANE - - - -3 - - -2 -
NETS (POLYHEDRON) 14 - - - - - - - -
SYMMETRY - - - 1 - -4 - - 2
TRANSLATION -4 - - - -2 - - -
ORDER OF OPERATIONS - - - - -3 - -4 -
SYMBOLS OF GROUPING 1 - - - -2 - - - -
ORDERED PAIR 44 - - - - - - - -
UNKNOWN - - - - -3 -1 - -
INTERPRETATION - - - - -33 - - -
LINE GRAPH -1 2 - - - - - - -
TABLES 32 - - - - - - - 2
PROBABILITY 44 - - - - - - - -
NUMBER AND NUMERAL - - 2 - - - - - - -
BETWEENNESS - - - - - - -1 - 2
NUMERATION SYSTEM - - - - - - -2 - -
RENAME NUMBERS - - 3 - - - - - - -
ADD BY NUMBER LINE -3 - - - - - - - -
DIVISIBILITY -1 - - - - - - - -
ESTIMATING PRODUCTS -4 - - - - - - - -
ESTIMATING QUOTIENTS -3 - - - - - - - -
LCM - - - 1 - - - - - -
APPLICATIONS (FRACTION) - - - -2 - - - - -
COMMON FRACTION - - - - - -2 - - -
CONGRUENT PARTS (FRACTION) - - - - - - - -2 -
IMPROPER FRACTION 4 - - - - - - - - -
LESS THAN (FRACTION) 3 - - - - - - - - -
UNLIKE FRACTION - - - - - -4 - - -
FRACTION TO DECIMAL - - - - - - -1 - -
ORDERING DECIMALS -3 - - - - - - - -
ROUNDING DECIMALS - - - - - - -1 - -
ACCURACY - - 3 - - - - - - -
MAP INTERPRETATION - - 3 - - - - - - 3
STANDARD UNIT - - 3 - - - - - - -
CENTIGRADE SCALE 2 - - - - - - - - -
DECIMETER 3 - - - - - - - - -
APPROXIMATION (AREA 2 - - - - - - - - -
PARALLELOGRAM (AREA - - - - - - -1 - -
SQUARE INCH - - - - - -4 - - -
TESSELLATION - - - 1 - - - - - -
PRISM (VOLUME) -3 - - - - - - - -
NAMING A POINT - - - - - -3 - - -
STRAIGHT LINE - - - 1 - - - - - 2
CONGRUENT TRIANGLES 4 - - - - - - - - -
CONSTRUCT TRIANGLES - - - - - - - -2 -
SUM OF ANGLES - - - 1 - - - - - -
CONSTRUCTION (QUAD. - - - - - - - -2 -
RECOGNITION OF - - - - - - - - - 2 -
RECTANGULAR REGION -3 - - - - - - - -
SIMILAR FIGURE 1 - - - - - - - - -
CENTER - - 3 - - - - - - -
COMPASS - - 3 - - - - - - -
ELLIPSE - - - 1 - - - - - -
SEMICIRCLE - - - 1 - - - - - -
BASE (POLYHEDRON) -4 - - - - - - - -
PRISM - - 3 - - - - - - -
SOLID 3 - - - - - - - - -
CONGRUENCE (TRANS. - - - - - -4 - - -
SQUARE ROOT - - 3 - - - - - - -
ADDITION PROPERTY - - - - - - -2 - -
ALGEBRAIC EXPRESS. - - - - -2 - - - -
FORMULA - - - - -4 - - - -
PLACEHOLDER - - 2 - - - - - - -
SUBSTITUTION - - - - - - -1 - -
TRUE AND FALSE - - - 2 - - - - - -
VARIABLE - - - - -4 - - - -
CARTESIAN SYSTEM -1 - - - - - - - -
COORDINATE -3 - - - - - - - -
DISTANCE - - - 1 - - - - - -
GRAPHING 3 - - - - - - - - -
CALCULATOR - - - - - - -1 - -
CHORD - - - - - - - - - 3
COMPARISON - - - - - - - - - 3
FLOW CHART - - - 1 - - - - - -
MAKING A DRAWING - - - - - - - - - 4
THEOREMS ON (POLYGON) - - - - - - - - 3
TRIANGLE - - - - - - - - - 3
TRANSLATION - - - 1 - - - - - -
MODE 4 - - - - - - - - -
RANGE (STATISTICS) 4 - - - - - - - - -
EXPERIMENTAL PROB. 1 - - - - - - - - -

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