K-12math.info

Most frequently used terms in sixth grade (age 11)

Out of 1000 terms - 486 different terms were used in sixth grade student textbooks
average 172 terms were used per textbook

Student Textbook Series:
Grades: K-11 (ages: 5-16)
1. Harcourt Brace Jovanovich(1972)
2. D.C. Heath (1972)
3. Laidlaw (1978)
4. Houghton Mifflin(1978)
5. Addison-Wesley(1985)
6. Harper and Row(85)
7. Holt, Rinehart and Winston(85)
8. Harcourt Brace Jovanovich(85)
9. Houghton Mifflin(85)
10. Scott, Foresman(85)
11. Houghton Mifflin(2002)
12. McGraw-Hill/Glencoe (2002)

CNX/Siyavula Grade 1-9 (2009) 10 and 11 (2011)(OER)*
CK-12 Mathematics 6-11 (2012)(OER)*

Bangladesh Classes 1-7 (2013)(OA)**

16. McGraw-Hill K-8 (2013)

19. Houghton Mifflin K-8 (2015)


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




(OER)* This is an Open Educational Resource.
(OA)** Open Access but with standard copyright.

To link to OER textbook series, click on term usage code under the appropriate link.
1. CNX Source: Learners Section of Mathematics Grade 6. Uploader, Siyavula. Connexions. 10 Sept. 2009
2. CK-12 Source: CK-12 Middle School Math - Grade 6 CK-12 Foundation. Feb 22, 2012
Range of Terms
(top 100 in most frequently used order)		 Textbook series (usage code) CNX
Link		 CK-12
Link		 Bangladesh
>>>>> Series number >>> 1 2 3 4 5 6 7 8 9 10 11 12 16 19
ADDITION (DECIMAL) 44334 444444334 4 3 3
DECIMAL 34333 333334424 2 3 3
MULTIPLICATION (DECIMAL) 44344 444444434 4 4 3
SIMPLEST FORM (FRACTION)42442 442224434 4 3 3
DIVISION (DECIMAL) 44334 4444444- 4 4 4 3
DIVISION (FRACTION) 44444 4444444- 4 4 4 3
EQUIVALENT FRACTIONS 43424 424424444 4 - 4
FRACTION 33- 34 444344434 3 3 3
MULT. PROPERTIES (WHOLE NUMBER)322- 4 44441- - 32 2 4 2
MULTIPLICATION (FRACTION) 44444 4444444- 4 4 3 4
PARALLELOGRAM 44444 4444444- 4 4 4 4
PERCENT 44444 4444444- 4 4 4 4
PROBLEM SOLVING 22234 344444424 - 3 3
RECIPROCAL (FRACTION) 44443 4444444- 4 3 4 4
SUBTRACTION (DECIMAL) 34334 44444- 334 4 3 3
WHOLE NUMBER 33- 33 333333434 3 3 3
ADDITION (FRACTION) 43434 444444344 4 - -
ANGLE 44333 444443444 4 - -
AREA OF TRIANGLE 23444 4444444- 4 - 4 4
INTEGER 434- 4 4434334- 4 4 4 4
LINE GRAPH (STATISTICS)23433 3443444- 4 2 4 -
MIXED NUMERAL 22222 222222222 2 - -
NUMBER LINE (INTEGER) 333- 3 3333333- 3 4 3 3
PARALLEL LINES 44444 444444434 4 - -
PERCENT NOTATION 34- 43 3334332- 4 3 34
RATIO 334- 4 4344344- 4 4 44
TRIANGLE 3- 333 444443433 4 -3
VOLUME 24444 4- 4433433 - 44
CIRCLE 44- 33 443334433 3 --
CIRCUMFERENCE 44444 - - 4444434 - --
DEGREE (ANGLE) 43333 4334- 2443 3 33
DENOMINATOR 33- 33 434334444 3 --
EQUATION 434- 3 4- 33344- 4 4 44
EXPONENT 44- 34 1- 44443- 4 3 44
FACTOR (WHOLE NUMBER) 33- - 3 433334334 - 33
NEGATIVE INTEGER 43- - 3 4344334- 3 3 43
NUMERATOR 33- 33 434334444 3 --
OPPOSITIES (INTEGER) 344- 3 4433344- 3 - 44
ORDERED PAIR (COORDINATE SYSTEM)- - 423 224- 34424 - 44
POSITIVE INTEGER 433- 3 4344334- 3 - 43
PROTRACTOR 33433 43343- 334 4 --
RADIUS 43- 34 434344434 3 --
RIGHT ANGLE 434- 4 444444444 4 --
SQUARE 44- 44 444444444 4 --
SUBTRACTION (FRACTION) 43434 4444443- 4 4 --
WORD PROBLEM (FRACTION) 22222 222222- 22 - -2
AVERAGE (STATISTICS)- 4- 34 444444433 - 4-
CENTER (CIRCLE)33- 33 333- 44433 3 --
DIVISION (WHOLE NUMBER) 223- 4 44434- 334 - -3
EQUILATERAL TRIANGLE- 4444 4444444- 4 4 --
GCF (WHOLE NUMBER)443- - 434- 344- 4 2 44
ISOSCELES TRIANGLE - 4444 4444444- 4 4 --
LCM (WHOLE NUMBER)44- - - 3343344- 4 4 44
LINE 34- - 3 344433434 3 --
MEDIAN 4-- 444-14-44 4 4 4 44
METRIC UNITS - 3333 33333- 223 - -3
PERPENDICULAR LINES 44444 4444244- - 4 --
PLACE VALUE (NUMBERS)44423 3333- - 333 4 --
POLYGON 4- - 34 4434444- 4 - 43
PRIME NUMBER 4441- 444- 44434 4 --
PROBABILITY 333- 4 333344434 - --
PROPORTION 444- 4 4444444- 4 - --
RECTANGLE 44- 44 - 44444434 4 --
RECTANGLE (AREA) - 3344 44444- 434 - 4-
VERTEX (ANGLE) 443- 3 - 34344344 4 --
ACUTE ANGLE 4- 4- 4 444444444 - --
CIRCLE GRAPH (STATISTICS)3- 3- 3 433334434 - --
FRACTION TO DECIMAL 23- 33 - 33334- 44 - -3
LCD (FRACTION) 4- 444 3- 33344- 4 2 --
LINE SEGMENT 43- - 3 34442- 434 4 --
LOCATING POINTS (COORDINATE SYSTEM)3- 233 2- 3- 32222 - 3-
MEAN4-- 444-14-44-4 4 44
MODE 4-- 444-14-44 4 4 4 4-
MULTIPLE (WHOLE NUMBER)- 3- 33 43- 434434 - 3-
OBTUSE ANGLE 4- 4- 4 444444444 - --
PERIMETER - 4344 4- 44- 3434 - -3
QUADRILATERAL 3- - 34 - 444444- 4 4 3-
RHOMBUS 44- 44 4444- - 4- 4 4 4-
ROUNDING DECIMALS - 4- 34 344344444 - --
SUBTRACTION (INTEGER) 444- 4 - 444444- 4 4 --
SURFACE AREA - 4- - 4 4444444- 4 - 44
WEIGHT 3- 3- 3 33333- 423 - -4
WORD PROBLEM (PERCENT) 22- 22 222- 22- - 2 - 22
WORD PROBLEM (RATIO) 23- - 2 222222- - 2 - 22
ADDITION (INTEGER) - 43- 4 444- 44434 4 --
BAR GRAPH (STATISTICS)3- - 33 343- 3- 424 - 3-
CENTIMETER 3- 334 43434- 3- 4 - --
CIRCLE (AREA) - 4444 - 414144- 4 - --
DIAMETER 4- - 44 4- 4444434 - --
DIVISOR QUOTIENT (WHOLE NUMBER)3- - - 3 3333333- 4 - 4-
ESTIMATION (DECIMAL )34- 34 4- 334- 4- 4 - 3-
LENGTH - 3333 333- 33- 34 - --
PRISM (VOLUME) 2- 32- 432244- 4 - --
ESTIMATING PRODUCTS (WHOLE NUMBER)434- 3 44343- 4- 4 - --
MULTIPLICATION (WHOLE NUMBER) - - 334 33434- 3- 4 - --
WORD PROBLEM (PERCENT) 22- 22 222- 22- - 2 - 22
WORD PROBLEM (RATIO) 23- - 2 222222- - 2 - 22
RIGHT TRIANGLE - - 444 44- 4444- 4 4 --
SUBTRACTION (WHOLE NUMBER)3- 334 44434- - 4 - - --
TENTHS, HUNDREDTHS (DECIMAL)43- 33 3- 3343- 33 - --
WORD PROBLEM (DECIMAL) - - 222 22222- 222 - --


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