# TOEFL IBT – Math

Vocabulary is promordial in order to improve your TOEFL score. Remember, Preparation is the key to succeed !

This vocabulary will be useful for a math course in school, for expanding your English vocabulary, or especially for any number of English language exams you may take. Here we will look at the most commonly used words in the field, along with their French translations.

average |
a number that represents the characteristics of a data set |
Smokers, he notes, are on |
la moyenne |

bisect |
to divide into two congruent parts |
The border between the city and its suburbs |
couper en deux |

circle |
the set of points in a plane that are a fixed distance from a given point |
They make a |
le cercle |

circumference |
the distance around a circle |
Assuming the Earth is spherical, its |
la circonférence |

congruent |
figures or angles that have the same size and shape |
Then, there exist two color classes that form |
congruent |

cube |
a solid figure with six square faces |
When cooked, peel potatoes and cut into desired-size |
le cube |

data |
information that is gathered |
I have never experienced so much weak |
les données |

denominator |
the bottom part of a fraction |
The teacher says we need to find the least common |
le dénominateur |

diameter |
the line segment joining two parts on a circle and passing through the center of the circle |
Then start with smaller trees, about six inches in |
le diamètre |

difference |
the result of subtracting two numbers |
The |
la différence |

equation |
a mathematical statement that says that two expressions have the same value |
He also loves mathematics, and spends his free time solving |
l’équation |

even number |
a number that is divisible by 2 |
Sizes were listed as ranging in |
le nombre pair |

exponent |
a number that indicates the operation of repeated multiplication |
This formula is transparent when the |
l’exposant |

fraction |
a number used to name a part of a group or a whole |
We are talking tiny |
la fraction |

graph |
a type of drawing used to represent data |
Easily adjusted, the forecast |
le graphique |

mean |
in a data set, the average |
The |
la moyenne |

median |
the middle number in a data set when the data are put in order |
By 1990 the |
la médiane |

mode |
the number that occurs most frequently in a set of data |
The |
le mode |

numerator |
the top part of a fraction |
This value is the biggest possible |
le numérateur |

odd number |
a number that is not divisible by 2 |
An even number of particles is more stable than an |
le nombre impair |

parallel |
two lines that are in the same plane and never intersect |
Place two |
parallèle |

percent |
a fraction, or ratio, in which the denominator is assumed to be 100 |
For the quarter, they were down 2.5 |
pour cent |

perpendicular |
two lines are perpendicular if the angle between them is 90 degrees |
Set |
perpendiculaire |

pi |
the ratio of the circumference of a circle to its diameter; 3.14 |
For fun, he memorized the first 37 digits of |
le pi |

polygon |
a closed plane figure made up of several line segments that are joined together |
These include vertices, edges, faces, |
le polygone |

radius |
the distance from the center to a point on a circle |
Widening my |
le rayon |

rectangle |
a quadrilateral with four 90-degree angles |
Some are fish-shaped, others are more versatile |
le rectangle |

right angle |
an angle whose measure is 90 degrees |
This |
l’angle droit |

square |
a quadrilateral with four equal sides and four 90 degree angles |
Plants three pots deep line the perimeter of this little |
le carré |

triangle |
a three-sided polygon |
According to height, I was the apex of the |
le triangle |

volume |
a measurement of space, or capacity |
Simmer until reduced in |
le volume |

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