AREA OF TRIANGLE - SUPERFICIE (TRIANGULO) - AIRE D'UN TRIANGLE
Content Distribution w/OER | Previous | Information
( K-12math.info )

Select and click on one of the following to obtain additional information about the term:

  SUPERFICIE (TRIANGULO) (Espa˝ol)

  AIRE D'UN TRIANGLE (Franšais)

  John Page's Math Open Reference

  Wikipedia reference 1 -

  Wikipedia reference 2 -

  Wikibook -

AREA OF TRIANGLE
Series | Code | Information

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(1981)
5. Addison-Wesley(1985)
6. Harper and Row(1985)
7. Holt, Rinehart and Winston(1985)
8. Harcourt Brace Jovanovich(1985)
9. Houghton Mifflin(1985)
10. Scott, Foresman(1986)
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




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

Grade: _K___ _1___ _2___ _3___ _4___ _5___ _6___ _7___ _8___ _9___ _10__ _11__
Average Age: 5 6 7 8 9 10 11 12 13 14 15 16
  1-1972 HBJ - - - - - 2-218 2-197 4-187 4-190 - 4-562 -
  2-1972 Heath - - - - - 4-123 3-104 4-308 3-318 - 3-432 -
  3-1978 Laidlaw - - - - - 4-266 4-250 4-280 4-264 - 4-520 -
  4-1981 HM - - - - - - 4-152 4-176 4-156 - 4-313 -
  5-1985 Addison - - - - - - 4-352 3-256 4-304 - 4-349 -
  6-1985 Harper - - - - - 4-316 4-148 4-304 4-277 - 4-381 -
  7-1985 Holt - - - - - 4-324 4-310 4-204 3-342 3-019 4-391 -
  8-1985 HBJ - - - - - 4-252 4-276 4-348 4-264 - 4-443 -
  9-1985 HM - - - - - 2-172 4-190 4-118 - - 3-326 -
 10-1986 Scott - - - - - 4-328 4-284 4-298 4-236 - 4-405 -
 11-2002 HM - - - - - 4-490 4-371 3-022 3-172 - 4-429 -
 12-2002 McGraw - - - - - 4-549 4-524 4-489 4-315 - 4-419 -
 13-2009/10 OpenSTAX
CNX/Siyavula (OER)
South Africa edition
--- - - - - - - - 3 4 4 -
 14 - 2012/2015 CK12.org (OER)

--- - - - - - 4 4 - - 4 4
 15-2013 Bangladesh (OA) --- - - - - 4-102 - 4-038 --- --- --- ---
 16-2013 McGraw - - - - - - 4-674 - - - 4-781 -
 17-2013/15 Singapore Math
U.S. edition
- - - - - 4-A276 4-B206 - - --- --- ---
 18-2014 AAAKnow
(update to AAAMath)
- - - - - 1 1 1 1 --- --- ---
 19-2015 HM - - - - - - 4-397 - - --- --- ---
 20-2015 Khan Academy - - - - - - 1 - - --- --- ---

usage code - page number
(for OER materials, click on the usage code under the desired grade level.)



©1972 (paper), 1985 (APPLE II/PC), 2005(www), 2016 Jim Kelly - All Rights Reserved.