| Hint | Answer |
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| Mechanical counting device consisting of a frame holding a series of parallel rods, on each of which beads are strung | |
| The study of calculations involving numbers; the oldest and most elementary branch of mathematics that is used daily by most people | |
| One of the four basic mathematical operations; represents combining collections of objects together into a larger collection | |
| The branch of mathematics concerning the study of the rules of operations and relations; in another context, a collection of sets | |
| A measure of the middle value of a data set; typically, but not always, the sum of the values divided by the number of values | |
| The figure formed by two lines or rays sharing a common point, or the measure of rotation about that common point | |
| A type of the previous answer that is strictly greater than 0° and less than 90° | |
| Quantity expressing the two-dimensional size of a defined part of a surface; for a circle, it is πr² | |
| A reference line; in the 2-D Cartesian plane, there are two of them, commonly labeled with two letters of the Latin alphabet | |
| Property of some operations in which the order in which the operations are performed does not matter; e.g. (1 × 2) × 3 = 1 × (2 × 3) = 6 | |
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| The magnitude of an oscillation; e.g. the A in the expression Asin(θ) | |
| Smooth curve joining two points; for a circle, its length is equal to rθ | |
| Line or curve that, tending to ∞, approaches a given curve arbitrarily closely but never touches it | |
| For a given function, f, it's a function G whose derivative is equal to f, i.e. G' = f; more formally known as an indefinite integral | |
| Line segment from the center of a regular polygon to the midpoint of one of its sides; has a corresponding definition for a circle | |
| Geometric figure consisting of the region lying between two concentric circles; colloquially referred to as a 'ring' | |
| A finite sequence of steps for carrying out a procedure or solving a problem; common term in computer science, as well | |
| Proposition that is not proved nor demonstrated but considered to be self-evident; the one 'of choice' is fundamental to set theory | |
| Mathematical concept with several meanings, perhaps most notably the conjugate transpose of a matrix or operator | |
| A group in which the binary operation is commutative; named after a mathematician who helped prove impossible directly solving for the roots of a polynomial equation of degree > 4 | |
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3-Letter Word Beginnings
Beginnings and Ends II
Beginnings and Ends III
