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Lernkarten
number
Zahl (Oberbegriff)
digit
Zahlen von 0-9
figure
Betrag, Zahlenangabe
numeral
Zahlensymbol
whole number / integer
ganze Zahl
rational number
ganze Zahl
prime number
Primzahl
unknown
Unbekannte
units
Einer
tens
Zehner
hundreds
Hunderter
zero
null, nichts
"oh"
in Zahlenreihen (5031 → "five oh three one"
null
a technical zero (a null set, ~ sequence, ~ result)
nought
BE: null (vor dem Komma) 0.05 → "nought point of five"
“love”
Punktestand b. Tennis
nil
in Sportergebnissen
arithmetic(s)
Rechnen mit den Grundrechenarten
calculation
Berechnung (1+2=3 is a simple calculation. )
→ to calculate
→ berechnen
addition
Addition (You ADD one number TO another number. )
subtraction
Subtraktion (You subtract one number FROM another no.)
multiplication
multiplication (You multiply one number BY another number. )
division
Division (You DIVIDE one number BY another number. )
associative law / principle
Assoziativgesetz (The associative law states that (a +b) +c = a +(b +c).)
commutative law / principle
Kommutativgesetz (The commutative law states that a + b = b + a. )
distributive law / principle
Distributivgesetz (The distributive law states that (a + b) c = ac + bc. )
equation
→ equal
→ to equal
Gleichung → gleich → gleich sein Both sides of an equation must be equal: 3 plus 4 equals 7.
formula (pl: formulae)
Formel (Albert Einstein proposed his famous formula, E = mc 2 , concerning mass–energy equivalence in 1905. )
fraction
line of fraction
numerator
denominator
Bruch/ Bruchstrich/ Zähler/ Nenner/ ½ is a FRACTION with 1 being the NUMERATOR and 2 being the DENOMINATOR. In between there is the LINE OF FRACTION.
decimal fraction
Dezimalbruch (Written as a decimal fraction, ½ is 0.5. )
→ decimal point
→ Dezimalzeichen (English uses a decimal point! )
proper fraction
improper ~
echter Bruch unechter ~ (In a proper fraction the numerator is smaller than the denominator, while if the numerator is larger than the denominator we would call it an improper fraction.)
to convert / change into
umwandeln, konvertieren (The improper fraction 3 2 can be converted into a mixed number. )
recurring / repetitive
Periode, wiederholend (One over three is nought point three recurring. )
all over
bracket term
alles über Klammerausdruck ((a + b)/x is: "open bracket, a plus b, close bracket all over x". )
to cancel (down / out) /
to reduce
kürzen (Cancelling the fraction 5/25 leads to 1/5. )
to extend
erweitern (Extending the fraction 1/5 by 5 leads to 5/25.)
to factor out
ausklammern (The addition 5 +10 can also be written as “5 x (1+2)” by factoring out the five. )
powers
Exponentialfunktionen
