VocabularySpellingCity has created these first grade math word lists so parents and teachers can use interactive educational vocabulary games as supplements to the first grade math curriculum. Each word list is tailored for use in a first grade math class, with gradeappropriate sentences and definitions. Simply select a math category and choose any of the 25 games.
The math vocabulary lists are based on the Common Core First Grade Math Standards. VocabularySpellingCity provides these academic vocabulary lists with the words used in meaningful sample sentences and explained with levelappropriate definitions. Teachers can import these math word lists into their accounts, where sentences and definitions can be edited and words can be added or removed.
Common Core State Standards Overview for First Grade Math
Algebraic Thinking
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 Represent and solve problems involving addition and subtraction
 Understand and apply properties of operations and the relationship between addition and subtraction
 Add and subtract within 20
 Work with addition and subtraction equations

Number & Operations in Base 10
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 Extend the counting sequence
 Understand place value
 Use place value understanding and properties of operations to add and subtract

Measurement & Data
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 Measure lengths indirectly and by iterating length units
 Tell and write time
 Represent and interpret data

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 1st 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.
Welcome to first grade math words and vocabulary! You'll find a broad assortment of first grade math vocabulary that helps students comprehend the essential concepts of first grade math.
The math vocabulary lists are based on the Common Core First Grade Math Standards. A review of these necessary terms will help budding mathematicians build a solid math foundation. Students can practice their first grade math definitions through interactive games designed to facilitate otherwise dull repetitive drills and practice.
Using the categorized lists will ensure students learn their first grade math terms while having a great time!
First Grade Math Vocabulary
Words at a Glance:
Algebraic Thinking
Operations & Algebraic Thinking: alike, similar, object, match, size, output, sort, input, different
Base Ten Operations
Number & Operations in Base Ten  Graphing/Units: data, nonstandard unit, horizontal, vertical, standard unit, graph, estimate, symbol, sort, group
Number & Operations in Base Ten  Counting: skipcounting, count, numeral, even, odd, whole number, pattern, integer
Number & Operations in Base Ten  Comparison: compare, less, equal, near, less than, more than, half, opposite, before, after
Number & Operations in Base Ten  Sequence: order, number line, pattern, number, more, rule, less, sequence, sort
Number & Operations in Base Ten  Operations: solve, addition, total, add, numeral, subtraction, equals, operation, minus, less, more, number sentence, sum, subtract, plus, difference
Number & Operations in Base Ten  Place Value: half, place value, fourth, double, whole, tens, ones, digit
Number & Operations in Base Ten  Digits: digit, count, zero, ten, one, hundred, thousand, whole number, integer
Measurement & Data
Calendar: month, calendar, day, week, year, leap year, season
Graphing: chart, picture graph, bar graph, input, measurement, table, data
Length/Temperature: measure, length, foot, ruler, long, inch, shorter, thermometer, temperature
Money: money, dollar, coin, cent, halfdollar, quarter, nickel, penny, dime, currency
Statisics: less likely, impossible, equally likely, tally, certain, equal parts, estimate, even, chance
Time: time, second, hour hand, minute, second hand, halfhour, clock, first, hour, minute hand
Weight/Volume: measure, gram, scales, cup, pint, quart, pound, size, balance, kilogram
Geometry
Description: size, longer, small, longest, smallest, intersect, characteristics, side, parallel, describe
Direction: corner, slide, curves, turn, right, above, below, left, direction, line
Location: location, in front of, between, under, inside, outside, behind, middle, over
Prisms: geometry, prism, line of symmetry, sphere, cylinder, cube, three dimensional, fourths, halves, cone
Shapes: geometry, rectangular, line of symmetry, circle, square, triangle, shape, rectangle, two dimensional, sides
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.