K-12math.info

Most frequently used terms in eighth grade (age 13)

Out of 1000 terms - 604 different terms were used in eighth grade student textbooks
average 187 terms were used per textbook

Series:

Grade:K-12 (age:5-17)

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)*

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 materials, click on term usage code under the Link
1. CNX Source: CNX Mathematics Grade 8 . Uploader, Siyavula. Connexions. 11 Sept. 2009
2. CK-12 Source: Basic Algebra (Grade 8) CK-12 Foundation. Feb 22,2012
Range of Terms
(top 100 in alphabetic order)
Textbook series (usage code) CNX
link
CK-12
link
>>>>> Series number >>> 1 2 3 4 5 6 7 8 9 10 11 12 16 19
EXPONENT 43434 434434 4 34 3 3
INTEGER 33443 433433 4 34 3 3
RATIONAL NUMBER 44444 444444 4 34 4 4
PARALLEL LINES 43444 43444- 4 44 4 2
PROPORTION 44444 444444 4 34 - 3
RATIO 43434 434444 4 44 3 3
ADDITION PROPERTY (EQUATION)4- 222 442222 4-4 3 2
CYLINDER (VOLUME) 44444 43444- 4 3 - 4 4
EQUATION - - 333 333434 4 34 3 3
RADIUS 33444 43444- 4 3 - 3 4
SCIENTIFIC NOTATION - 4433 434344 4 - 4 4 4
SQUARE ROOT - - 334 434434 4 34 4 4
BASE (EXPONENT) 3- 434 4333- 3 4 34 4 -
FRACTION 433- 3 434- 3- 3 33 3 3
MULT. PROPERTIES (EQUATION)4- 222 442222 4 - 4 - 2
NUMBER LINE (INTEGER) - 3333 333333 3 33 - -
PERCENT 4- 444 444444 4 34 - -
PERPENDICULAR LINES 43444 43444- 4 - 4 4 -
POWER - - 333 - 33333 4 34 4 3
REAL NUMBER - 4- 44 - 41444 4 34 4 4
RIGHT ANGLE 44434 344443 4 - - 3 -
SIMPLEST FORM (FRACTION)22432 44222- 3 34 - -
SURFACE AREA 43444 34434- 4 3 - 4 -
VARIABLE (EQUATION)- - 444 3- 4444 4 44 3 3
WHOLE NUMBER 3- 333 333333 3 - - 3 3
ACUTE ANGLE 44444 44444- 4 4 - - -
ADDITION (INTEGER) 4- 434 44434- 4 3 4 - -
ANGLE 4343444444- 3 3 - - -
AREA OF TRIANGLE 43444 434- 43 4 3 - - -
AXES (COORDINATE SYSTEM)- 4443 444433 4 - 3 - -
COORDINATE SYSTEM - - 222 2- 4222 3 - 2 2 2
COORDINATE (COORDINATE SYSTEM)- 4- 43 333443 3 - 4 2 -
DIVISION (INTEGER) 44444 44444- 4 4 - - -
IRRATIONAL NUMBER - 4- 34 - 4144- 4 34 4 4
MULTIPLICATION (INTEGER) 44444 44444- 4 4 - - -
OBTUSE ANGLE 44444 44444- 4 3 - - -
OPPOSITIES (INTEGER) 33433 44444- 4 - 4 - -
ORDER OF OPERATIONS (EQUATION)4- 413 444- 34 4 34 - -
ORDERED PAIR (COORDINATE SYSTEM)- - 433 434334 4 - 3 - 3
POLYGON 34344 43444- 4 - - 4 -
PRISM (VOLUME) 23244 43444- 4 3 - - -
PROTRACTOR 43333 33333- 3 3 - - -
RECTANGLE (AREA) 33443 333433 - 3 - - -
SOLVING (INEQUALITIES)2243- 334344 4 - 4 - -
SUM OF ANGLES (TRIANGLE)4- 443 34343- 3 3 - - 4
BAR GRAPH (STATISTICS)3- 333 343334 3 - - - -
BISECTING AN ANGLE 4- 444 44444- 1 4 - - -
CIRCLE 343- 4 33444- 4 3 - - -
CIRCLE (AREA) 4- 444 43444- 3 3 - - -
CIRCUMFERENCE 44444 444- 4- 4 4 - - -
DIAMETER - 3434 44444- 4 3 - - -
EQUILATERAL TRIANGLE- 4444 44444- 4 3 - - -
EQUIVALENT FRACTIONS 43- 24 44432- - 34 - -
EXTREMES AND MEANS 22- 22 233- 24 2 - 4 - -
FACTOR (WHOLE NUMBER) 33343 33343- - 3 - - -
ISOSCELES TRIANGLE - 4444 44444- 4 3 - - -
LOCATING POINTS (COORDINATE SYSTEM)- - 223 333332 3 - 2 - -
MEAN (STATISTICS)- 3- 44 43444- 4 - 4 3 -
MODE (STATISTICS)- 4- 44 43444- 4 - 4 3 -
PRIME NUMBER 444- 4 44444- - 33 - -
PROBABILITY 43- 44 43434- 4 - 4 - -
REPEATING DECIMAL - 3433 13444- 4 3 - - -
ROUNDING DECIMALS 43434 44444- - 3 - - -
SCALENE TRIANGLE - 4444 44444- 4 3 - - -
SUBTRACTION (INTEGER) - 4434 44444- 4 3 - - -
WORD PROBLEM (PERCENT) 22- - 2 222222 2 - 2 - -
ACUTE TRIANGLE - - 444 44444- 4 2 - - -
ADDITION (DECIMAL) 44444 44444- - - - - -
CENTER (CIRCLE)34- - 3 33343- 3 3 - - -
COMPOSITE NUMBER 44444 44444- - - - - -
DIVISION (DECIMAL) 44444 44444- - - - - -
INTEREST (PROBLEM SOLVING)- - 444 34444- 4 - 3 - -
LCM (WHOLE NUMBER)44443 43433- - - - - -
LINE 33334 3- 443- - - - 3 -
LINE GRAPH (STATISTICS)3- - 32 422334 3 - - - -
MIXED NUMERAL 2- 222 22232- 2 - - - -
MULTIPLICATION (DECIMAL) 44344 44444- - - - - -
ORIGIN (COORDINATE SYSTEM)- 44- 3 443- 34 4 - 3 - -
PARALLELOGRAM 4433- 33444- 4 - - - -
PARALLELOGRAM (AREA)4- 443 43444- 4 - - - -
QUADRILATERAL - 3333 33334- 3 - - - -
SUBTRACTION (DECIMAL) 44443 44444- - - - - -
TRUE AND FALSE (EQUATION)4433- 3333- 3 - - 3 - -
CIRCLE GRAPH (STATISTICS)4- - 34 43134- 4 - - - -
CONGRUENT ANGLES - - 4- 4 444443 4 - - - -
CONGRUENT TRIANGLES - 4444 44444- - - - - -
CONSTRUCTION (ANGLE) - 4- 44 24444- 1 - - - -
DIVISIBILITY (WHOLE NUMBER)4443- 4444- - - 3 - - -
FRACTION TO DECIMAL 22- 34 3333- - - 3 - - -
GRAPHING (EQUATIONS WITH 2 VARIABLES)- - - - 3 344333 3 - 3 - -
HISTOGRAM (STATISTICS)4- - 34 4344- - 4 - 4 - -
INEQUALITIES - - 4- - 334344 4 - 4 - -
METRIC UNITS 332- 3 33334- - - - - -
ADDITION (RATIONAL NUMBER) - 43- - 33434- - -4 - -
COMPASS 33- 33 333- 3- - - - - -
COMPLETE FACTORIZATION (WHOLE NUMBER)- 3- 22 22222- - - - - -
DIVISION (RATIONAL NUMBER)- 44- - 33444- - - 4 - -
ESTIMATION (DECIMAL )42- 34 343- 4- - - - - -
GCF (WHOLE NUMBER)- 4443 4- 443- - - - - -
LINE SEGMENT 43342 3- 4- 2- - - - - -


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