K-12math.info

Key content 2002-2019 (Alphabetical order) first grade (average age 6)

Out of 1000 terms - 106 different terms were used in first grade student materials
average 41 terms were used per resource


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)*

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 textbook)

19. Houghton Mifflin K-8 (2015)

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

22. NCERT India
Open Access (OA) (2019)



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
(Alphabetical order)		 Textbook series ( Usage Code )
>> Series number >>>
HM
text
11
McG
text
12
CNX

13
CK-12

14
Bangladash
text
15
McG
text
16
Singapore
text
17
AAAKnow

18
HM
text
19
Khan

20
NCERT

22
ADD AND SUBTRACTION RELATION33 2 - - 43 2 2 12-68
ADD BY NUMBER LINE 33 3 13 3 - - - - -
ADD BY REGROUPING -3 - 1 - 33 - - 1 -
ADD. COMBINATIONS (WHOLE) 22 2 22 22 2 2 -2-59
ADDEND (WHOLE) 33 - 1 - 4 - - 3 - -
ADDITION (WHOLE) 43 3 14 34 1 3 13-51
AFTER CONCEPT 33 3 -3 -3 1 - -3-81
APPROXIMATION - - - - - -2 - - - -
ASSOCIATIVE (ADD.) -2 - - - - - - - - -
BAR GRAPH 43 - - - 44 - 3 1 -
BEFORE CONCEPT 33 3 -2 -3 1 - -3-81
BETWEENNESS 3 - 3 -3 -3 1 - - -
CENTIMETER 33 - - - - - - - - -
CIRCLE 33 4 12 43 - 3 -2-11
COLLECTING - - - - - - - - - -2-109
COLUMN ADDITION 22 - -2 2 - - 2 -2-55
COMMUTATIVE (ADD.) 22 - -2 2 - - 2 - -
COMPARISON 3 - - 12 2 - - 2 12-93
CONCEPT OF ZERO 23 - -3 - - - - - -
CONE 33 - -3 3 - - 3 22-11
CONGRUENT PARTS (FRACTION) 2 - - - - - - - - - -
COUNTING 33 3 13 33 1 3 13-32
CUBE 33 3 - - 33 - 3 - -
CYLINDER 33 - - - 33 - 3 -2-11
DIVISION (WHOLE) - - - - - -4 - - - -
ENGLISH UNITS - - - 1 - - - - - - -
EQUALITY - - - -2 22 2 2 -3-52
EQUATION - - - - - - - 1 3 - -
ESTIMATING PRODUCTS 1 - - - - - - - - - -
ESTIMATING SUMS -2 - - - - - - - - -
EVEN AND ODD NUMBER 13 - - - - - - - - -
FACE (POLYHEDRON) 32 - - - 3 - - - - -
FOOT -3 - - - - - - - - -
FRACTION 34 - 1 - - - 1 - - -
FREQUENCY TABLE - - - - - 22 - 2 - -
GRAPH 33 3 - - - - - - - -
GROUP -3 - - - - - - - -2-33
HEXAGON - - - - - - - 1 3 - -
IDENTITY (ADDITION) - - - - - 22 - 2 -2-56
INCH 33 - 1 - - - - - - -
INEQUALITY 22 2 22 22 2 2 22-79
INEQUALITY SIGN 42 - - - 44 1 3 2 -
LENGTH 33 - 1 - 33 - 3 1 -
LINE -2 - - - - - - - -3-10
LIQUID MEASURE 2 - 2 - - - - - - - -
MAGIC SQUARE - - 3 - - - - - - - -
MAP INTERPRETATION - - 2 - - - - - - - -
MEASUREMENT (LENGTH - - - - - - - - 3 12-102
MEASUREMENT -3 2 1 - 4 - - - -3-93
MENTAL ARITHMETIC 1 - - - - 32 - - - -
METRIC UNITS - - - 1 - - - - - - -
MIXED OPERATIONS - - - 1 - - - - - - -
MONEY 23 2 -2 23 1 - -4-124
MULTIPLES OF FIVE 2 - 2 - - - - 2 - - -
MULTIPLES OF TEN - - 2 - - - - 2 - - -
MULTIPLES OF TWO - - 2 - - - - 2 - - -
MULTIPLICATION (WHOLE) - - - - - -3 - - - -
NAMING OF POLYGONS - - - - - - - 1 - 2 -
NUMBER AND NUMERAL - - - -3 - - 2 - 12-60
NUMBER LINE 22 3 - - 23 - - - -
NUMBER SENTENCE 23 3 2 - 33 2 3 - -
NUMERATION SYSTEM - - - - - - - 2 - - -
ONE HALF 43 2 - - 32 1 2 2 -
ORDERING 33 2 -4 -3 1 - -3-80
ORDINAL NUMBER -4 2 -3 4 - 1 - - -
PICTOGRAPH 22 - - - 22 - 2 - -
PLACE VALUE 22 - - - -3 1 - 12-73
PRISM - - - - - -4 - - -2-11
PROBLEM SOLVING 34 2 - - 4 - - - - -
PYRAMID 33 - - - -3 - - - -
QUADRILATERAL - - - -2 - - 1 - - -
RECTANGLE 33 3 1 - 33 - 3 - -
RECTANGULAR NUMBER - - - - - -2 - - - -
RECTANGULAR PRISM 33 - - - 33 - 3 - -
REPEATED ADDITION - - - - - -3 - - - -
ROUNDING - - - - - - - 1 - - -
RULER 3 - - 1 - - - - - - -
SEQUENCE - - - - - - - 1 - -3-111
SET - - - 1 - -3 - - - -
SHAPE - - 3 -3 33 - - 13-1
SIMILAR TRIANGLE -2 - - - - - - - -2-11
SIZE - - 3 - - -3 - - - -
SIZE1 - - - - - - - - -2-03
SOLID 3 - - - - -3 - - - -
SPACE -2 - - - - - - - -3-01
SPHERE 33 3 - - -3 - 3 - -
SQUARE 33 3 1 - 33 - 3 - -
STANDARD UNIT - - 2 - - - - - - - -
SUBT. (TWO PLACE) 22 - 2 - 22 2 3 - -
SUBTRACTION 44 2 14 33 1 3 14-61
SYMBOLS FOR ADDITION 2 - 3 -2 33 2 3 -3-54
TEMPERATURE 13 3 - - - - - - - -
THREE ADDENDS 22 - 2 - 2 - 2 2 2 -
THREE DIMENSION - - - - - 3 - - 3 -
TIME 44 3 1 - 33 1 3 -3-89
TRAPEZOID -3 - - - 4 - - 3 - -
TRIANGLE 33 3 12 43 1 3 -2-11
TRUE AND FALSE - - - 2 - 33 - 3 1 -
UNIT AREA - - 2 - - - - - - - -
UNIT LENGTH - - - - - 22 - 2 -2-101
UNKNOWN - - - - - - - 1 3 1 -
WEIGHT 33 2 - - -3 - - -2-99
WHOLE NUMBER - - - - - - - - - 1 -
WORD PROBLEM (FRACTION) -1 - 1 - - - - - - -
WORD PROBLEMS (WHOLE) 22 2 12 -2 - 2 12-85
WRITING NUMBERS 33 2 13 33 - 2 12-27

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