Spanish Lesson Fifty-Five: Doing Math in Spanish

Updated on October 1, 2016

Happy Monday Readers!

Yeah, I know, these days seem to fly by. I think it's because the summer just flies by in general. So today I thought I'd discuss something out of the ordinary. I remember learning these terms way back in Spanish I in high school. So today we're going to learn some math terms in Spanish and be able to use them in everyday conversation. Take a look readers...


  • To Learn math terms in the Spanish language
  • To Be Able to use said terms in everyday Spanish language
  • To Develop an enhanced understand of Spanish grammar

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Basic Arithmetic in Spanish

I know this is a weird topic today, but bear with me. It's super easy to do basic arithmetic in Spanish. All you have to do is know the proper way to word your sentence. If you want to add, subtract, multiply, or divide, there is a special way to say it. Let's start with adding.

It's really not that hard really. Just use the word más to indicate the "plus" like in the English language. Use the plural form of ser to indicate the "equals" sign. Here... look at this equation:

Tres más tres son seis. Three more (plus) three son (is/are) six. 3+3=6. It's just that simple really. You can use this in any case when you are discussing a math problem or situation in which you need to add two numbers together.

Now onward to subtracting. It's the same method as adding except we must use menos instead of más. Remember that "menos" means "less" in Spanish. So think of each equation featuring menos to be "number less number is..." Here, let's look at this equation.

Dos menos uno es uno. Two less (minus) one is one. 2-2=1. Get it? Let's use another example.

Cuatro menos dos son dos. Four less (minus) two is two. 4-2=2. Remember to use "son" when the solution is plural and "es" when the solution is just one or zero.

Multiplying uses the word por which can mean "by" or "on" in Spanish among other things. Use this word to specify the product of two numbers.

Dos por dos son cuatro. Two by (times) two is four. 2x2=4.

For dividing two numbers use the phrase Dividido Por or Dividide Entre. The same sentence phrasing exists here. Just write it like all the other sentences.

Doce dividido entre tres son cuatro. 12÷3=4.

English Word
Spanish Equiv
Las Matemáticas
La Aritmética
La Adición
La Sustracción
La División
La Multiplicación
Divided By
Dividido Por/Dividido Entre
Multiplied By

Today's Vocabulary

Since today's theme is about math. To your right are several math related terms for your use. When we use themes, the vocabulary will always reflect the theme. There are no additional notes for these words save for plus, minus, times, and divided by that are explained in the previous section. Note that all the words meaning addition, subtraction, multiplication, and division all in end in -Ción. That makes all of those words feminine by default so make sure you use the correct article when discussing those things.

Also in the next section there are more complicated terms if you wish to learn them and how to do fractions, exponents, etc. Thanks for reading and enjoy the rest of this section!

Other Terms

Square Root: La Raíz Cuadrada

Cube Root: La Raíz Cúbica

Fraction: La Fracción

Equation: La Ecuación

The Square Of: El Cuadrado De

The Cube Of: El Cubo De

Integer: El Interger

Decimal: El Decimal

Total: El Total

Fractions and More in Spanish

Thanks for reading everyone! Here are some other tips to mathematical terms in Spanish. I'm going to go over fractions, percentages, decimal points, squares, and cubes in Spanish. It's all pretty easy is pay close attention to the wording of the examples and try your best to replicate the sentences and structures. Okay so let's start with fractions. Anyone remember those lol?

The following terms can be used to specify one half and one third respectively. La Mitad is a word that is used specifically for specify one half or 1/2. It can also be half of anything. La mitad de mi sandwich (half of my sandwich). The same be said about El Tercio which means one third or 1/3. Now that you've learned those basic terms, let's get a bit more complicated. Do you remember your ordinal numbers? In a previous lesson I introduced those. Those are used from here on out to express fractions of varying values. Let's take a look.

Tres séptimos es la solución de la problema. Three sevenths (3/7) is the solution to the problem. Note that the cardinal number has an s at the end to specify the fraction in plural like me do in English. Use a cardinal number to specify the numerator and a cardinal number to specify the denominator to create your fraction. Make sure your cardinal number has an s at the end to make it plural.

Also don't forget that you don't need fractions to specify other things. You might prefer simpler terminology when discussing a broad topic like statistics and studies. Use the word parte to specify that it's a part of a whole. Look at these examples.

Una sexta parte de la gente come pizza. A sixth of the people eat pizza. Note that cardinal numbers are used in this instance. Use those numbers when in need of them. Don't forget to use Mitada and Tercio for simply saying half or a third.

En ningún caso el crédito diario excederá a un treintavo de los cargos. In no case will the daily interest exceed a thirtieth of the charges. I borrowed this sentence as another example. If you'll notice the word for "thirtieth" is "treintavo". The ending "-avo" can be added to a cardinal number to make it ordinal. This isn't too common, but feel free to use it if you'd like. Just change the word by adding "-avo" at the end. You can also use "-ésimo"... though it's used more common for numbers in the thousands.

If you remember percentages, the percent number is always out of one hundred. In creating percentages in Spanish, you will need to make your number for every one hundred. By doing this, use this phrase Por Ciento to express that the number is "For every one hundred". That's the same definition of percentage right? Here, this part is pretty simple.

Tres por ciento. Three Percent (3%). Use a cardinal number plus the phrase to get your percentage number. It's just that easy.

Let's work on our decimals. This is a little tricky considering in some places due to the fact that a comma is use to express it over a decimal point. Though it's safe to say that decimal points are used regularly. I think you're safe for the most part. Use all cardinal numbers in this case just like we do in English

Dos punto dos cinco. Two point two five (2.25).

Dos coma dos cinco. Two comma two five (2,25).

For the terms above, use them in the proper grammatical order to gain the correct meaning of the sentence. Check out these examples.

El cubo de ocho son cinco ciento y doce. The cube of eight is five hundred and twelve.

La raíz cúbica de cinco ciento y doce son ocho. The cube root of five hundred and twelve is eight. See how simple it is to plug in these terms? Practice these terms you've learned to get the hang of it!

Thanks for reading and have a great week! Oh! Next week we're going to discuss Science in Spanish! So come on back for that!


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    • profile image


      2 years ago

      Not aceptable. Only quinientos.

    • profile image


      2 years ago

      Is cinco ciento acceptable as well as quinientos?


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