English definition German
(to) add, plus to put something together with something else so as to increase the size, number, amount, etc. addieren
(to) divide by to separate into parts; to make something separate into parts dividieren durch
(to) multiply by, times to add a number to itself a particular number of times multiplizieren mit
(to) round down to round to the next lower number abrunden
(to) round up to round to the next higher number aufrunden
(to) subtract, (to) take away, minus to take a number or an amount away from another number or amount abziehen, subtrahieren
acute angle an angle of less than 90° spitzer Winkel
addition the act of adding something to something else Addition
angle the space between two lines or surfaces that join, measured in degrees Winkel
billion 1,000,000,000; one thousand million Milliard
brackets either of a pair of marks, (  ), placed around extra information in a piece of writing or part of a problem in mathematics Klammern
cardinal number a number, such as 1, 2 and 3 (or one, two and three), used to show quantity rather than order Kardinalzahl, Grundzahl
circle completely round flat shape Kreis
close bracket a bracket with an open end towards the left, ) Klammer zu
cube a solid or hollow figure with six equal square sides Würfel, Kubus
curve a line or surface that bends gradually; a smooth bend Kurve
decimal based on or counted in tens or tenths Dezimale, Kommazahl
decimal point Dezimalkomma, Dezimalpunkt
degree a unit for measuring angles Grad
depth the distance from the top or surface to the bottom of something; a particular distance down from the surface of something Tiefe
diagonal at an angle; joining two opposite sides of something at an angle diagonal, schräg
diameter a straight line going from one side of a circle or any other round object to the other side, passing through the centre Durchmesser
division the process or result of dividing into separate parts; the process or result of dividing something or sharing it out Division, Teilen
equation a statement showing that two amounts or values are equal, for example 2x + y = 54 Gleichung
even number any integer (never a fraction) that can be divided exactly by 2. The last digit is 0, 2, 4, 6 or 8. gerade Zahl
fraction a small part or amount of something Bruch
height the measurement of how tall a person or thing is Höhe
index (pl. indices) the small number written above a larger number to show how many times that number must be multiplied by itself Exponent
infinity a number larger than any other Unendlichkeit
integer a whole number, such as 3 or 4 but not 3.5 Ganzzahl
line a long, thin mark on a surface Linie
multiplication the act or process of multiplying numbers Multiplikation
obtuse angle an angle between 90° and 180° stumpfer Winkel
odd number whole numbers that cannot be divided exactly into pairs. When divided by 2, they leave a remainder of 1. ungerade Zahl
open bracket a bracket with an open end towards the right, ( Klammer auf
ordinal number a number that refers to the position of something in a series, for example ‘first’, ‘second’, etc. Ordinalzahl
oval Oval
parallel two or more lines that are parallel to each other are the same distance apart at every point parallel
percentage the number, amount or rate of something, expressed as if it is part of a total that is 100; a part or share of a whole prozentual, Prozentsatz
perpendicular forming an angle of 90° with another line or surface; vertical and going straight up lotrecht, senkrecht
quarter one of four equal parts of something Viertel
radius a straight line between the centre of a circle and any point on its outer edge Halbmesser, Radius
right angle an angle of 90° rechter Winkel
square root a number which when multiplied by itself produces a particular number Quadratwurzel
squared an arithmetic operator signifying that the number is multiplied by itself hoch zwei
sum the number you get when you add two or more numbers together Summe, Betrag, Ergebnis
symmetrical having two halves, parts or sides that are the same in size and shape symmetrisch
triangle a flat shape with three straight sides and three angles Dreieck
trillion 1,000,000,000,000; one million million Billion
width the measurement from one side of something to the other; how wide something is Breite