VocabularySpellingCity has created these fourth grade math word lists as tools teachers and parents can use to supplement the fourth grade math curriculum with interactive, educational math vocabulary games. Simply choose a list from a particular math area, and then select one of the 25 learning activities available. The material for these lists was specifically designed to be used in a fourth grade math class.
The math vocabulary lists are based on the Common Core Fourth Grade Math Standards. VocabularySpellingCity ensures that these academic vocabulary lists are levelappropriate for fourth graders. Teachers can import these lists into their accounts, and edit or add to them to suit their purposes.
Common Core State Standards Overview for Fourth Grade Math
Algebraic Thinking
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 Use the four operations with whole numbers to solve problems.
 Gain familiarity with factors and multiples.
 Generate and analyze patterns.

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

Number & Operations  Fractions
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 Extend understanding of fraction equivalence and ordering.
 Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
 Understand decimal notation for fractions, and compare decimal fractions.
 Use equivalent fractions as a strategy to add and subtract fractions.

Measurement & Data
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 Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.
 Represent and interpret data.
 Geometric measurement: understand concepts of angle and measure angles.

Geometry
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 Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Source: www.corestandards.org 
Click for more information on Math Vocabulary and the Common Core Standards in general. For information pertaining to 4th 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.
Elementary students can not only achieve enrichment in fourth grade math terms through interactive exercises, but they can also acquire necessary understanding of pivotal math concepts while playing educational online math vocabulary games. The themed lists are organized so that students are given challenging 4th grade math vocabulary in such a way that fourth graders can quickly excel in the comprehension of important math concepts. Animated interactive games greatly enhance students' learning of 4th grade math words. Students not only learn elementary math words while having a great time, but also gain confidence in a subject that many consider daunting.
The math vocabulary lists are based on the Common Core Fourth Grade Math Standards. Teachers and parents can count on the effective and accurate grouping of these math vocabulary lists and have come to rely on the use of 4th grade math definitions in interactive games to activate students' math comprehension. More than a traditional 4th grade math dictionary, this assortment of targeted lists, combined with exciting and challenging elementary math vocabulary drill and practice games, makes learning math words fun for fourth graders everywhere!
Fourth Grade Math Vocabulary
Words at a Glance:
Algebraic Thinking
Operations & Algebraic Thinking: variable, inequality, equivalent, differences, factor, equation, product, comparison, expression, similarity, inequality, relationship, similarity, comparison, differences, factor, equation, variable, extraneous, equivalent
Base Ten Operations
Number & Operations in Base Ten: comparison, equation, relationship, equivalent, inequality, factor, rounding, regroup, variable, similarity, size, inverse operation, gram, calculate, compare, composite number, million, decimal number, simplify, relative, addend, product, symmetry, centimeter, fahrenheit, celsius, differences, polyhedron, extraneous, estimation
Fractions
Number & Operations  Fractions: proper fraction, percent, consecutive, common fraction, ordinal number, factor, multiples, improper fraction, mixed number, fraction, compare, dividend, denominator, remainder, divisor, quotient, more than, numerator, less than, equivalent
Measurement & Data
Units & Coordinates: yaxis, line graph, customary units, nonstandard units, xaxis, coordinates, coordinate, system, data, unit conversion, unit
Length: meter, length, width, kilometer, measurement, inch, yard, centimeter, metric, foot
Problem Solving: probability, predict, array, survey, chance, likely, unlikely, certainty, data collection, tendency
Quantity/Size: volume, liter, ounce, pint, kilogram, weight, mass, quart, gallon, balance
Time/Temperature: Celsius, Fahrenheit, measurement, minute, second, event, degree, time , temperature, hour
Interpretation: mean, median, mode, range, likelihood, ordered pairs, statistics, interpret, graph, data
Presentation: tree diagram, pie chart, diagram, data, circle graph, Venn diagram, tally, bar graph, frequency table, measure
Geometry
Angles: congruent, acute angle, obtuse angle, rotate, straight angle, degrees, angle, right angle, triangle, perpendicular
Classification: similarity, translation, congruent, reflection, rectangular, symmetry, closed figure, open figure, rotation, transformation
Lines: intersection, perpendicular, length, line segment, circumference, point, distance, grid, side, line of symmetry
Measurement: square unit, area, capacity, degrees, distance, grid, radii, height, diameter, length
Polygons: polygon, pentagon, quadrilateral, hexagon, rhombus, pentagon, parallelogram, plane figure, octagon, polyhedron
Prisms: prism, base, face, solid, sphere, horizontal, parallel lines, cube, cylinder, cone
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.