Geometry & Shapes

Geometry (from the Greek geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers.

In modern times, geometric concepts have been extended. They sometimes show a high level of abstraction and complexity. Geometry now uses methods of calculus and abstract algebra, so that many modern branches of the field are not easily recognizable as the descendants of early geometry.

Additional information:

For a much better overview and history of geometry, go to the

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27 Items found Print
Active Filters: 9th grade (Ages 14-15)
Angle Ruler
by Learning Resources
from Learning Resources
for 6th-10th grade
in Geometry & Shapes (Location: MATR-GEO)
$3.99
Art of Problem Solving Introduction to Geometry - Text & Solutions
by Richard Rusczyk
2nd edition from Art of Problem Solving
for 9th-12th grade
in Art of Problem Solving (Location: MAT-AoPS)
$65.00
E-Z Geometry
by Lawrence S. Leff
4th edition from Barron's
for 8th-12th grade
in Geometry & Shapes (Location: MATR-GEO)
$10.00 (1 in stock)
Geometric Solids
by Learning Resources
from Learning Resources
for 3rd-12th grade
in Geometric Solids (Location: MATM-GEO)
$18.99
Geometry 1 Flipper
from Christopher Lee Publications
for 9th-10th grade
in Math Flippers (Location: MATR-FLIP)
Geometry 2 Flipper
from Christopher Lee Publications
for 9th-12th grade
in Math Flippers (Location: MATR-FLIP)
Geometry To Go
by Dave Bradley & Lauren L. Darling
from Great Source
for 8th-12th grade
in Geometry & Shapes (Location: MATR-GEO)
$20.00 (1 in stock)
Goniometer
for 4th-12th grade
in Geometry & Shapes (Location: MATR-GEO)
$7.00 (1 in stock)
Key to Geometry 1-3 - Answers and Notes
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$3.50 (3 in stock)
Key to Geometry 2
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$2.50 (1 in stock)
Key to Geometry 3
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$2.50 (1 in stock)
Key to Geometry 4
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$2.50 (3 in stock)
Key to Geometry 4-6 - Answers and Notes
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$3.50 (1 in stock)
Key to Geometry 5
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$2.50 (1 in stock)
Key to Geometry 6
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$2.50 (1 in stock)
Key to Geometry 7
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$6.00 (2 in stock)
Key to Geometry 7 - Answers and Notes
by Peter Rasmussen & George Gearhart
2nd edition from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$3.50 (1 in stock)
Key to Geometry 8
by Peter Rasmussen & George Gearhart
from Key Curriculum Press
for 7th-11th grade
in Key-to Math (Location: MAT-KEY)
$6.00 (1 in stock)
Life of Fred: Geometry
Life of Fred
by Stanley Schmidt
Expanded Edition from Polka Dot Publishing
for 9th-11th grade
in Life of Fred Math (Location: MAT-FRED)
$49.00 $27.00 (1 in stock)
Math Terminology Flipper
from Christopher Lee Publications
for 4th-10th grade
in Math Flippers (Location: MATR-FLIP)
Math-U-See Geometry - Instruction Pack
from Math-U-See
for 9th grade
in Math-U-See (Location: MAT-MUS)
Math-U-See Geometry - Student Pack
from Math-U-See
for 9th grade
in Math-U-See (Location: MAT-MUS)
$48.00
Math-U-See Geometry - Universal Set
from Math-U-See
for 9th grade
in Math-U-See (Location: MAT-MUS)
$112.00
Painless Geometry
by Lynette Long, Ph.D.
4th edition from Barron's
for 9th-12th grade
in Geometry & Shapes (Location: MATR-GEO)
$12.99
Pre-Geometry Flipper
from Christopher Lee Publications
for 8th-9th grade
in Math Flippers (Location: MATR-FLIP)
Scratch Your Brain Geometry
Clever Math Ticklers
by Doug Brumbaugh & David Rock
from Critical Thinking Books
for 8th-12th grade
in Critical Thinking Math (Location: MAT-CTP)
$19.99
Understanding Geometry
by Terri Husted
from Critical Thinking Books
for 7th-9th grade
in Mathematical Reasoning (Location: MAT-CTR)
$36.99 $24.00 (1 in stock)