K-12math.info

Most frequently used terms in 21st century (2002-2016) third grade (age 8) textbooks

Out of 1000 terms - 244 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)
--- (Copyrighted and not textbooks)

19. Houghton Mifflin K-8 (2015)

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

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 number >>>
HM
text
11
McG
text
12 		CNX OER
text
13 		CK-12 OER
Video
14
Bangladash
text
15
McG
text
16
Singapore
text
17
AAA
video
18
HM
text
19
Khan
video
20
ADDITION (WHOLE) 4 3 2 1 4 3 4 1 3 1
SUBTRACTION 4 3 2 1 4 3 4 1 3 1
DIVISION (WHOLE) 4 4 2 1 4 4 4 1 4 1
MULTIPLICATION (WHOLE) 4 4 2 1 3 4 3 1 3 1
FRACTION 4 4 3 2 4 4 4 1 4 1
TIME 4 4 4 1 3 4 4 1 4 1
PLACE VALUE 4 4 3 1 4 4 4 1 3 -
DIVISOR QUOTIENT 4 4 3 1 4 4 4 1 3 -
MULT. AND DIVISION 3 3 3 1 - 3 3 1 3 1
WORD PROBLEMS (WHOLE) 2 2 2 1 2 - 2 2 2 1
EQUIVALENT FRACTIONS 4 4 2 - 4 4 4 1 4 1
EVEN AND ODD NUMBER 4 1 2 - 4 3 4 1 4 -
ROUNDING 4 4 4 - - 4 4 1 4 1
MULTIPLES OF TEN 4 3 2 1 - 3 - 2 3 1
MULT. PROPERTIES 3 2 2 - - 3 4 1 3 1
DENOMINATOR 4 4 - - 4 4 4 1 4 1
NUMERATOR 4 4 - - 4 4 4 1 4 1
PERIMETER 4 4 - 1 - 4 4 1 4 1
AREA 4 4 - 1 - 4 4 1 4 1
TRIANGLE 3 3 3 1 - 4 4 1 3 -
QUADRILATERAL 4 4 - - 4 4 4 1 3 1
RECTANGLE 4 4 4 1 4 4 4 - 4 -
SQUARE 4 4 3 1 4 4 4 - 4 -
INEQUALITY 2 - 2 2 2 2 2 2 - -
INEQUALITY SIGN 4 2 4 - 3 4 3 1 - -
NUMBER LINE 2 3 3 - - 3 3 - 3 1
ADD AND SUBTRACTION RELATION 2 4 2 2 4 2 - 1 - -
ESTIMATING SUMS 4 4 3 - - 4 3 1 3 -
MULT. COMBINATIONS - 2 2 - 2 2 - 2 2 2
REMAINDER 4 4 4 1 3 - 4 1 - -
REPEATED ADDITION 3 - 2 2 - 3 2 1 2 -
MONEY 4 3 3 1 2 - 3 2 - -
UNIT AREA 2 - 2 - - 2 2 2 2 1
LINE 4 4 - 1 3 3 4 - 4 -
RIGHT ANGLE 4 4 3 - 4 4 4 - 4 -
POLYGON 4 4 - 1 - 4 4 1 4 -
PROBLEM SOLVING 4 4 2 2 - 3 2 - 4 -
ORDERING 4 3 - - 3 3 3 1 - -
ADD BY REGROUPING 4 4 - - - 4 3 - 3 2
DIVISION BY TEN 4 3 - 1 - 3 - 1 3 -
FACTOR (WHOLE) 4 4 - 1 - 3 - 1 4 -
NUMBER LINE (FRACTION) 3 - 3 - - 3 3 - 3 1
WEIGHT 3 4 2 - 3 - 4 1 - -
CENTIMETER 3 3 3 - 3 - 3 1 - -
METRIC UNITS 3 4 2 - 2 - 3 1 - -
ANGLE 4 4 - - 3 4 4 - 4 -
HEXAGON 3 3 - - - 4 4 1 3 -
PENTAGON 3 3 - - - 4 3 1 3 -
CIRCLE 3 4 3 1 4 - 4 - - -
NUMBER SENTENCE 4 - 3 1 - 3 - 1 3 -
BAR GRAPH 4 4 3 - - - 4 - 4 1
PICTOGRAPH 4 4 - - - 4 2 - 2 1
SET 1 - - 1 - 3 3 - 3 -
COUNTING - 3 3 - 3 - 3 1 - -
EXPANDED FORM 3 4 - - - 4 3 1 - -
WHOLE NUMBER - 3 - - - 3 3 - 3 1
ARRAY (MULT.) (WHOLE) 4 4 - - - 4 4 - 4 -
COMMUTATIVE (ADD.) 4 4 2 - - 4 - - 4 -
IDENTITY (MULT.) 2 4 - - - 4 - 1 4 -
MULTIPLES OF TWO 4 2 3 - - - - 2 2 -
REPEATED SUBT. - 3 - - 3 3 - 1 3 -
ADDITION (FRACTION) 3 3 3 - 4 - - 1 - -
INEQUALITY (FRACTION) - 2 - - 2 2 - - 2 2
LIQUID MEASURE 3 3 3 1 - - - - 3 -
INCH 4 3 - - - - 3 1 3 -
MEASUREMENT (LENGTH 4 - - - - 3 3 1 3 -
RECTANGLE (AREA) - - 4 1 - 4 - 1 3 -
CAPACITY 4 4 - 1 - 4 4 - - -
EQUILATERAL TRI. 4 4 3 1 - - - 1 - -
RIGHT TRIANGLE 4 4 - 1 - 4 - 1 - -
RHOMBUS - 4 - 1 - 4 4 - 4 -
TRAPEZOID - 4 - 1 - 4 4 - 4 -
ADD. COMBINATIONS (WHOLE) - - 2 - - 2 - 2 2 -
DISTRIBUTIVE (WHOLE) - - - - - 4 - 1 3 1
DIVISION BY ZERO 4 3 - - 3 - - - 3 -
DIVISION COMBINATIONS 2 - 2 - - 2 - 2 - -
MULTIPLE - 4 3 1 - 4 - - - -
MULTIPLES OF FIVE 2 2 3 - - - - 2 - -
MULT. BY GROUPING 3 4 3 - 2 - - - - -
SYMBOLS FOR DIVSION 3 - 3 - - - - 1 3 -
THREE ADDENDS 3 3 - - - - - 2 2 -
ONE HALF 4 - 2 - 4 - - - - 2
SUBTRACTION (FRACTION) 3 3 - - 4 - - 1 - -
WORD PROBLEM (FRACTION) 2 2 - - - 2 - - 2 -
DECIMAL 4 4 - 1 - - - 1 - -
TENTHS HUNDREDTHS 3 3 - 1 - - - 1 - -
MEASUREMENT - 3 3 - 3 - 3 - - -
KILOMETER 3 - - - 4 - 3 1 - -
LENGTH 3 4 3 - 3 - - - - -
PERIMETER (QUAD.) - - 2 2 - - - 2 2 -
VOLUME 4 4 - - - - - 1 - 1
POINT - 3 - - 4 - 4 - 4 -
LINE SEGMENT 4 4 - - - - 4 - 4 -
PARALLEL LINES - 4 - 1 - - 4 - 4 -
RAY 4 4 - - - 4 - - 4 -
ISOSCELES TRIANGLE 4 4 - 1 - - - 1 - -
EQUATION - - - 1 - 4 - 1 4 -
COLLECTING 2 - 3 - - 3 - - 3 -
MENTAL ARITHMETIC - - - - - 2 3 1 - -
ORDINAL NUMBER - 4 3 - 3 - - - - -
WRITING NUMBERS 1 - - - 3 - 3 - - -
ADDEND (WHOLE) 4 3 - - - 3 - - - -
ASSOCIATIVE (ADD.) 4 - - - - 4 - - 4 -
DIVISION WITH NUMBER LINE 3 - - - - 3 - - 3 -
IDENTITY (ADDITION) 2 4 - - - 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) 4 3 - - - - - 1 - -
DECIMAL NOTATION 2 2 - - - - - 1 - -
SUBTRACTION (DECIMAL) 4 3 - - - - - 1 - -
WORD PROBLEM (DECIMAL) 2 2 - - - - - 2 - -
ENGLISH UNITS 2 - - 1 - - 2 - - -
FAHRENHEIT SCALE 4 4 - - - - 4 - - -
FOOT 3 3 - - - - 4 - - -
SQUARE (AREA) - - 4 1 - - - 1 - -
PERPENDICULAR LINES - - - 1 - - 4 - 4 -
ACUTE TRIANGLE - 4 - 1 - - - 1 - -
SCALENE TRIANGLE - 4 - 1 - - - 1 - -
PARALLELOGRAM 4 4 - - - 4 - - - -
CURVE - - - 1 3 - - - 3 -
CONE 3 3 3 - - - - - - -
CUBE 3 3 3 - - - - - - -
CYLINDER 3 3 3 - - - - - - -
EDGE (POLYHEDRON) 4 4 - 1 - - - - - -
FACE (POLYHEDRON) 4 4 - 1 - - - - - -
PYRAMID 3 3 3 - - - - - - -
RECTANGULAR PRISM 3 3 2 - - - - - - -
SPHERE 3 3 3 - - - - - - -
THREE DIMENSION - 3 2 1 - - - - - -
VERTICES (SOLIDS) 3 4 - 1 - - - - - -
REFLECTION - 4 - 2 - - 2 - - -
ROTATION - 4 - 1 - - 4 - - -
FREQUENCY TABLE - - - - - 4 2 - 4 -
GRAPH 3 3 3 - - - - - - -
VENN DIAGRAM (SET) 1 - - - - - - - 3 -
ABACUS - 1 - - 2 - - - - -
AFTER CONCEPT 3 - - - - - - 1 - -
BEFORE CONCEPT 3 - - - - - - 1 - -
EQUALITY - - 2 - - - - 2 - -
SEQUENCE - - - 1 - - - 1 - -
SQUARE NUMBER 4 4 - - - - - - - -
COLUMN ADDITION 3 - 2 - - - - - - -
GREATER THAN (FRACTION) 3 - - - - - - 2 - -
MIXED NUMERAL 2 2 - - - - - - - -
PIE APPROACH - - - - - - - - 2 2
SIMPLEST FORM - 4 - - - - 4 - - -
EQUIVALENT DECIMAL - 4 - 1 - - - - - -
ESTIMATION (DECIMAL 1 - - - - - - 1 - -
PLACE VALUE (DECIMAL) 3 3 - - - - - - - -
THOUSANDTHS - - - 1 - - - 1 - -
APPROXIMATION - - 2 - - - 2 - - -
RULER 3 - - - - - - - 3 -
SCALE DRAWING 1 - 3 - - - - - - -
SHAPE - - - - - 3 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 2 2 - - - - - - - -
NAMING OF POLYGONS 3 - - - - - - 1 - -
CONSTRUCTION - - 2 - 2 - - - - -
DIAMETER - 4 3 - - - - - - -
RADIUS - 4 4 - - - - - - -
PLANE - - - - 3 - - - 2 -
NETS (POLYHEDRON) 1 4 - - - - - - - -
SYMMETRY - - - 1 - - 4 - - -
TRANSLATION - 4 - - - - 2 - - -
ORDER OF OPERATIONS - - - - - 3 - - 4 -
SYMBOLS OF GROUPING 1 - - - - 2 - - - -
ORDERED PAIR 4 4 - - - - - - - -
UNKNOWN - - - - - 3 - 1 - -
INTERPRETATION - - - - - 3 3 - - -
LINE GRAPH - 1 2 - - - - - - -
TABLES 3 2 - - - - - - - -
PROBABILITY 4 4 - - - - - - - -
NUMBER AND NUMERAL - - 2 - - - - - - -
BETWEENNESS - - - - - - - 1 - -
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 - - - - - - -
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 - - - - - -
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 - -
FLOW CHART - - - 1 - - - - - -
TRANSLATION - - - 1 - - - - - -
MODE 4 - - - - - - - - -
RANGE (STATISTICS) 4 - - - - - - - - -
EXPERIMENTAL PROB. 1 - - - - - - - - -

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