Math Vocabulary

4th Grade Math Vocabulary
Topic 1: Numeration
compare, digits, even, number line, odd
standard form, period, expanded form, word form, tenth, hundredth, decimal point
Topic 2: Adding and Subtracting Whole Numbers
difference, regroup, sum, mental math, rounding, tens
Commutative Property of Addition, Associative Property of Addition, Identity Property of Addition, breaking apart, compensation, counting on, inverse operations
Topic 3: Multiplication Meanings and Facts
breaking apart, array, product, factors, multiple, Commutative Property of Multiplication, Zero Property of Multiplication, Identity Property of Multiplication, Distributive Property
Topic 4: Division Meanings and Facts
division, multiple, product
factor, dividend, divisor, quotient, fact family
Topic 5: Multiplying by 1Digit Numbers
array, factor, product, rounding
comatible numbers
Topic 6: Patterns and Expressions
expression, ordered pair, factors, multiple
variable, algebraic expression
Topic 7: Multiplying by 2Digit Numbers
Commutative Property, Distributive Property, compatible numbers, rounding
Topic 8: Dividing by 1Digit Divisors
array, compatible numbers, factors, partial products
remainder, prime number, composite number
Topic 9: Lines, Angles, and Shapes
point, line, plane, parallel lines, intersecting lines, perpendicular lines, line segment, ray, angle, right angle, acute angle, obtuse angle, straight angle, degree, protractor, polygon, side, vertex, triangle, quadrilateral, pentagon, hexagon, octagon, equilateral triangle, isosceles triangle, scalene triangle, right triangle, acute triangle, abtuse triangle, parallelogram, rectangle, square, rhombus, trapezoid
Topic 10: Understanding Fractions
fraction, denominator, benchmark fraction, improper fraction, simplest form, numerator, equivalent fraction, mixed number
Topic 11: Adding and Subtracting Fractions
common factor, denominator, numerator, simplest form
Topic 12: Understanding Decimals
decimal point, hundredth, tenth, greater
Topic 13: Operations with Decimals
decimal, fraction, mixed number, whole number
Topic 14: Area and Perimeter
addition, multiplication, area, perimeter
Topic 15: Solids
line, line segment, ray, rhombus, quadrilateral, solid figure, sphere, cylinder, cone, face, vertex, edge, cube, rectangular prism, triangular prism, rectangular pyramid, square pyramid, net, volume
Topic 16: Measurement, Time and Temperature
length, volume, foot, yard, mile, inch, capacity, weight, ounce, pound, ton, millimeter, centimeter, decimeter, kilometer, meter, milliliter, liter, mass, gram, kilogram, elapsed time, degrees Fahrenheit, degrees Celsius
Topic 17: Data and Graphs
minute, seconds, negative, thermometer
survey, bar graph, interval, scale, line plot, outlier, coordinate grid, ordered pair, xcoordinate, ycoordinate, mean, meadian, mode, range, line graph, trend, stemandleaf plot, circle graph
Topic 18: Equations
data, scale, survey, mean
equation, inequality
Topic 19: Transformations, Congruence, and Symmetry
inequality, equation
translation, reflection, rotation, congruent, symmetric, rotational symmetry, line of symmetry
Topic 20: Probability
outcome, tree diagram, certain, likely, unlikely, impossible, probability