Lines: line, point, half-line and initial point, line segment and two endpoints, parallel lines, intersecting lines and point of intersection, perpendicular lines, perpendicular and foot of the perpendicular, perpendicular bisector and midpoint, half-plane, plane, vertical and horizontal.
Angle Pairs: vertical angles, equal angles, complementary angles, supplementary angles, interior angles, corresponding angles, alternate interior angles, alternate exterior angles, adjacent angles, linear pair, interior angle and exterior angle, inscribed angle and central angle.
Triangles: acute triangle, right triangle, obtuse triangle, height and base, equilateral triangle, isosceles triangle, scalene triangle, base and leg, hypotenuse and leg, opposite leg and adjacent leg, median, perpendicular bisector.
Polygons: convex polygon, vertex (corner), side, diagonal, regular polygon, apothem, concave polygon, self-intersecting polygon, tangential polygon, inscribed circle, cyclic polygon, circumscribed circle.
More Solid Geometry: solids, surface, volume, height and width and depth, poles and meridian and parallel, antipodal points and great circle and equator, hemisphere, torus, tetrahedron, octahedron, dodecahedron, icosahedron.
Geometrical transformations: translation, rotation and center of rotation, angle of rotation and clockwise and counterclockwise, reflection and axis of reflection, point symmetry, same orientation and opposite orientation, congruent, similar, scaling and scaling factor and rescaled, dilation, symmetric and axis of symmetry, asymmetric.
Vectors: vector, direction, equivalent vectors, negative, collinear vectors, unit vector and magnitude, scalar multiplication and multiple, sum, orthogonal vectors, coordinate system, coordinate axes, origin.
Fractions: fraction, numerator, fraction bar, denominator, reciprocals, unit fraction, improper fraction, apparent fraction, equivalent fractions, fraction in lowest terms and reduce a fraction to lowest terms, expand and simplify, common denominator and least common denominator.
Equalities and inequalities: greater than, greater than or equal to, less than, less than or equal to, equality, equal sign, inequality, inequality sign, equal, not equal to, compare, very large number.
Percentage: fifty percent, percent sign, one percent, one per mille, parts per million, percentage change and increase or decrease, change factor, interest and interest rate, percentage points, basis points, relative frequency distribution, share.
Arithmetic: odd numbers and even numbers, parity, perfect square and perfect power, prime numbers, prime powers, prime factorization and to factor, prime factors and divisors, square-free, greatest common divisor, relatively prime numbers, least common multiple, numbers bond to ten.
Polynomials: polynomial, variable, degree 2 and degree 3 and degree n, quadratic polynomial and cubic polynomial and polynomial of degree n, coefficients, leading coefficient and constant term, leading term and monic polynomial, polynomial equation and roots, square of a binomial, power of a binomial, difference of two squares, completing the square.
Example of numbers: twenty-one, thirty-two, forty-three, fifty-four, sixty-five, seventy-six, eighty-seven, ninety-eight, one hundred one, two hundred forty, twelve thousand three hundred four, six billion twelve million two hundred thousand three.
Digits: first digit and last digit, six-digit number, decimal point and decimal comma, integer part and decimal part, ones, tens, hundreds, thousands, tenths, hundredths, thousandths, ten-thousandths.
Number sets: integers, positive integers, non-negative integers, negative integers, real numbers, number line, non-negative real numbers and positive real numbers, non-positive real numbers and negative real numbers, rational numbers, irrational numbers, transcendental numbers, complex numbers.
Complex numbers: imaginary unit, complex plane and complex numbers, real axis, imaginary axis, real part and imaginary part, Cartesian coordinates, complex conjugate, absolute value, argument, polar coordinates, complex exponential and complex logarithm, unit circle.
Some additional image: five hundred twelve,