DEFINITIONS

1 Make a „definition formula”:

A fractal is a geometric shape that can be split into parts, each of which is a copy of the whole.

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brackets symbol

   TERM =  ……….………………………     +      …………………………………………………………………..…

2 Study the common grammar structures used in definitions and complete the terms which are defined.

Term = class of concepts + specific feature(s)

Grammar

………………………….. is an integer which is divisible by two.

Relative clause (that, which, who, where, …)

………………………….is a branch of mathematics dealing with the study of numbers, especially the properties
of the traditional operations.

-ing structure

………………………….. is a number reached by adding all numbers in a  set.

-ed structure

………………………….. is a quantity with two characteristics, a magnitude and a direction.

Prepositional phrase

Term =  specific feature(s) + class of concepts


………………………….. is the most frequent value in a set.

Adjectives


3 What is wrong with the following “definitions”? Improve them.

Primes are numbers.

Platonic figures are amazing.

Parabola looks like a rainbow.

A cone has one vertex.

4 Complete the definitions:

Geometry is


that the values of two mathematical expressions are equal.

An equation is

                              a locus of all points in the plane such

dealing with the relations of the sides and angles of triangles and with the relevant functions of
any angles.

Trigonometry is


                                      a branch of mathematics

concerned with the properties and relations of points, lines, surfaces, solids, and higher
dimensional analogues.

An ellipse is


                                            a statement

that the difference between the distance to two fixed points is constant.

A theorem is


that the sum of the distances from two fixed points is a constant.

A hyperbola is


that can be demonstrated to be true by accepted mathematical operations and arguments.


5 Define the following terms:

An axiom can be explained as ………………………

A matrix can be explained as ………………………

Iteration can be explained as ………………………

Recursion can be explained as ………………………