VocabularySpellingCity provides these third grade math word lists for teachers and parents to accompany the 3rd grade math curriculum using educational, interactive vocabulary games. Simply select a 3rd grade math category and a list of third grade math terms, then choose from 25 readytouse games and learning activities. All material is specifically designed for use in a third grade math class.
The math vocabulary lists are based on the Common Core Third Grade Math Standards. VocabularySpellingCity has selected academic vocabulary relating to the key math concepts of 3rd grade, with meaningful example sentences and definitions written in a levelappropriate way for third grade math. Third grade students can reinforce or build understanding using the themed math vocabulary lists. Parents and teacher can import these lists to their accounts,where they can edit or add to them depending on their needs.
Common Core State Standards Overview for Third Grade Math
Algebraic Thinking
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 Represent and solve problems involving multiplication and division.
 Understand properties of multiplication and the relationship between multiplication and division.
 Multiply and divide within 100.
 Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Number & Operations in Base 10
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 Use place value understanding and properties of operations to perform multidigit arithmetic.

Number & Operations  Fractions
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 Develop understanding of fractions as numbers.

Measurement & Data
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 Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.
 Represent and interpret data. Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
 Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.
 Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Geometry
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 Reason with shapes and their attributes

Source: www.corestandards.org 
Click for more information on Math Vocabulary and the Common Core Standards in general. For information pertaining to 3rd grade in particular, please refer to the chart above. To preview the definitions, select a list and use the Flash Cards. For help on using the site, watch one of our short videos on how to use the site.
Learning third grade math words in the right context is a challenge even for third graders. For example, the term “degree” can have many meanings, with several that are particular to 3rd grade math vocabulary itself. Keeping track of the many varying usages of terms for math study can be daunting. Still, thanks to targeted online games and corresponding printable worksheets, learning these alternate 3rd grade math definitions can be as simple as 123!
The math vocabulary lists are based on the Common Core Third Grade Math Standards. Third graders can use the automated reader to listen to the third grade math terms that they need to learn. They can also gain concrete experience through the many interactive and exciting math vocab grade 3 games available to them. Every child responds better to elementary math vocabulary when it is presented in context rich, meaningful ways. Third grade students who use the themed math vocabulary lists gain math confidence and benefit from math vocabulary drills and practice that keep them interested and coming back for more!
Third Grade Math Vocabulary
Words at a Glance:
Algebraic Thinking
Operations & Algebraic Thinking: solution, range, inequality, domain, form, distributive, like denominator, expression, multiples, equation
Base Ten Operations
Number & Operations in Base Ten: regroup, place value, whole numbers, minuend, rounding, division, estimation, solution, addend, number line, subtraction, digit, product multiplier, addition, plus, minus, difference, sum, times
Fractions
Number & Operations  Fractions: divisor, numerator, factor, fraction, dividend, relative, whole number, quotient, denominator, rounding
Measurement & Data
Length: centimeter, area, length, height, mile, kilometer, temperature, perimeter, meter, width
Showing Data: tally chart, bar graph, data, input, interpret, pictograph, customary units, nonstandard units, picture graph, table, symbol
Statistics: chance, reasonableness, median, data, input, outcome, combinations, mode, predict
Time/Temperature: thermometer, degrees, second, minute, clockwise, counterclockwise, temperature, elapsed time, hour, Celsius
Weight/Volume: gram, liter, weight, scale, metric, liquid measures, kilogram, ounce, capacity, volume
Geometry
Angles: obtuse angle, angle, acute angle, right angle, straight angle, vertex, perpendicular, reflection, congruent, degrees
Lines: side, coordinates, line graph, right angle, line of symmetry, intersecting lines, closed figure, line segment, perpendicular, degrees
Prisms: cube, cylinder, base, cone, face, sphere, prism, solid figure, dimensions, volume
Shapes: polygon, octagon, symmetry, congruent, translation, pentagon, hexagon, rhombus, parallelogram, area
For a complete online Math curriculum in Kindergarten Math, First Grade Math, Second Grade Math, Third Grade Math, Fourth Grade Math, Fifth Grade Math, Sixth Grade Math, Seventh Grade Math, or Eighth Grade Math visit Time4Learning.com.
Here are some fun Math Games from LearningGamesForKids by grade level: Kindergarten Math Games, First Grade Math Games, Second Grade Math Games, Third Grade Math Games, Fourth Grade Math Games, Fifth Grade Math Games, Addition Math Games, Subtraction Math Games, Multiplication Math Games, or Division Math Games.