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MATHEMATICS Vocabulary through 7th Grade
Number and Number Sense / Computation and Estimation:
- decimal; decimal number; Base-10 number system; digits; place value; powers of ten; millions; hundredthousand; ten-thousand; thousands; hundreds; tens, ones; zero (0), decimal point; tenths; hundredths;
thousandths; number line, ordered position
- counting; count forward; one more than; count backward; one less than; by ones; by twos; by fives; by tens;
counting back
- whole; parts; ratio; fraction; numerator; like numerators; denominator; like and unlike denominators;
common denominators; proper fraction; improper fraction; mixed numbers; one-half; one-third; two-thirds;
one-fourth; two-fourths; three-fourths; fifths; sixths, eighths; tenths; equivalent fractions; undefined; simplest
form; percent
- expression; equation; inequality; multistep problem; solution
- symbols (+, -, •, ÷, ≤, ≥, >, <, or =); equal to; equivalent; inequality symbols; less than; greater than; more;
fewer; less; same; equal; one-more-than; two-more-than; one-less-than; two-less-than
- add; addition; addend; adding; joining; combining; sum; sum is; subtraction; minuend; subtrahend; taking
away; separating; difference; minus, partial sums; regroup; multiplication; product; multiplication facts;
division; quotient; dividend; divisor; quotients of; remainders; division facts; inverse operations; order of
operations
- nearest; round; rounding; closer to; between; a little more than; magnitude; estimate; estimation; front-end;
leading-digit estimation; reasonableness; percent; one-to-one correspondence
- odd numbers; even numbers; prime number; factors; composite number; prime factorization; greatest
common factor (GCF); least common denominator (LCD); common multiples; least common multiple
(LCM)
- natural number; whole numbers; integers; positive integers; negative integers; absolute value; set
- exponents; exponential notation; base; power of a number; zero power; standard; expanded; forms; perfect
squares; negative exponents; scientific notation;
- square root; absolute value; square of a number; arithmetic sequence; common difference; geometric
sequence; common ratio; variable expression; proportion; means; extremes; scale factors; rate
Measurements and Geometry:
- U.S. Customary System; inch, foot (feet), yard, mile; ounce; pounds; tons; cups; pints; quarts; gallons
- metric system; millimeters; centimeters, meter, kilometers; grams; kilogram; milliliters; liters
- mass; temperature; Celsius; Fahrenheit; liquid volume; nonstandard units; ruler; calendar (day, month, and
seasons); temperature (thermometer); hot (hotter); boils; cold (colder); freezes; length (shorter and longer);
height (taller and shorter); weight (scale) (heavier and lighter); balance scale
- area; volume; length; width; side; base; height; linear units; square units; cubic units; pi; circumference;
circle; chord; center; diameter; area; radius; perimeter; volume; surface area; rectangular prism; polygon;
closed curve; square; rectangle; faces; closed plane figure; line segments; curved; surface
- angles; degree; right angle; acute angle; obtuse angle; straight angle
- time (clock); elapsed time; periods of time; minutes; hours; calendar; days; months; week; years; half hour;
minute and hour hand; today; yesterday; next week; last week; seven days in a week; months of the year
- plane figures; two-dimensional; length; width; open figure, closed figure; polygons; quadrilaterals:
parallelogram, rectangle, square, rhombus, rhombi, isosceles trapezoid, trapezoid, kite; pentagon; hexagon;
heptagon; octagon; nonagon; decagon; Venn Diagram, congruent figures; noncongruent figures; size (larger
and smaller) sides; corner, perimeter, area, equal length; diagonal, bisect; similar figures; congruent
polygons; circle; curved; round; center, radius, arc, chord, diameter, circumference; triangle; right triangle;
obtuse triangle; acute triangle; scalene triangle; isosceles triangle; equilateral triangle; bases; legs.
- solid geometric figure; cube; rectangular prism; square pyramid; sphere; cone; cylinder; bases; faces;
edges; vertices; space; surface area, volume; net; height;
- line; line segments; endpoints; vertices; intersect; intersection; intersecting lines; perpendicular lines;
parallel lines; diagonal; points; corresponding sides; nonparallel;
- angle; vertex; ray; angle rulers; obtuse angles, acute angles, right angles, corresponding angles
- coordinate plane; coordinates; ordered pair; axes; horizontal; vertical; quadrants; dilation; geometric
transformations; reflection; flipping; translations; slides; rotation; turn; line of symmetry; line of reflection;
symmetric figures, symmetry, above; below; next to; fixed point; center of rotation; scale factor;
multiplicative factor; image; preimage.
Revised 1/14
Probability, Statistics Patterns, Functions, and Algebra:
- histogram; stem-and-leaf plot; circle graphs; bar graphs; line graphs; line plot; picture graph; pictographs;
object graphs; chart; title; labels; scale; tables; increments; key; vertical axis; horizontal axis; frequency;
categories; frequency distribution
- measure of center; mean; median; mode; range; balance point; measure of variation
- surveys, tallying; more; less; fewer; greater than; less than; equal to; data; data categories; continuous; not
continuous; discrete data; continuous data; greatest; least
- statistics, probability; sample space; event; simple event; compound event; dependent events; independent
events; trials; experimental probability, theoretical probability; tree diagram; counting; Fundamental
Counting Principle
- outcomes; possible outcomes; favorable outcomes; predict outcomes; ratio; fair share; sample space;
impossible; unlikely; as likely as; unlikely; equally likely; likely; certain, the same; more likely; less likely
- patterns; repeating pattern, growing pattern, numerical patterns; arithmetic sequence; common difference;
geometric pattern, geometric sequence; common ratio; elements, sets
- linear equation; T-table, coordinates; ordered pair; axes; tables, rules, relation, function, vertical line test,
independent variable, dependent variable
- inequalities (<, >, ≥, ≤), equation; balanced; not balanced; one-step, two-step, undefined, infinite, unknown,
equal sign (=),equality; equivalent values; inverse operation, solution, number line; additive inverse,
multiplicative inverse
- term; variable; coefficient; expression, verbal expression, algebraic expression, verbal sentence, algebraic
sentence, numerical expression, number sentence, open sentence, factors, addend; subtrahend; product,
quotient, the sum of, the product of, less than, more than, add, subtract, order of operations, replacement set,
real numbers
- Associative properties (addition and multiplication), Identity properties (addition and multiplication),
Inverse properties (addition and multiplication), Commutative properties (addition and multiplication),
Multiplicative property of zero; Distributive property
Revised 1/14
General math words to know:
- Arrange, Analyze, Annotate, Attribute, Apply, Approximate, Ascend, Assess, Appraise
- Compare, Contrast, Conject, Classify, Check, Compose, Construct, Classify, Critique, Comment, Compute,
Collaborate, Chart, Collect, Calculate, Compile, Complete, Create, Considered, Contain, Count, Change,
Convert, Choose, Conclude
- Determine, Describe, Deconstruct, Detect, Devise, Design, Define, Draw, Double, Descend, Direct,
Demonstrate, Discuss, Dispute, Decide, Dissect, Display, Deduce, Diagram, Distinguish, Develop,
Document
- Equivalent, Examine, Estimate, Execute, Explain, Exemplify, Evaluate, Extend, Express in other terms
- Find, Formulate
- Graph, Group, Generate
- Hypothesize
- Identify, Infer, Interpret, Implement, Integrate, Interpret, Illustrate, Include
- Judge, Justify
- Link, List, Locate, Lie
- Monitor, Make, Modify, Memorize, Measure
- Name,
- Order, Organize, Outline,
- Plot, Prove, Proportion, Plan, Produce, Paraphrase, Program, Predict, Project, Propose, Point, Prepare,
Propose
- Represent, Recognize, Reflect, Review, Relate, Repeat, Restate, Reproduce
- Solve, Simplify, Summarize, Substitute, Sketch, Select, Support, State, Show, Suggest, Sort, Separate,
Specify
- Translate, Test, Triple, Tabulate,
- Value, Validate
Revised 1/14