La maîtresse prend une autre craie, et la dictée devient plus difficile.

La maîtresse means the female teacher in this sentence.

A few notes:

• Maîtresse is a feminine noun.
• In a school context, it can mean a female primary-school teacher, especially in everyday French.
• In modern French, la professeure or la prof is also common for teacher, but la maîtresse is especially associated with younger children and elementary school.

Be aware that maîtresse can have other meanings in other contexts, so context matters a lot.

The î in maîtresse has a circumflex accent.

In modern French, this accent often reflects older historical spelling and does not usually change the basic meaning by itself. In pronunciation, maîtresse sounds roughly like meh-tress.

For learners, the main thing is:

• you must keep the accent in writing
• it is part of the correct spelling
• it helps distinguish the word visually from other forms

Because the subject is la maîtresse, which is third person singular: she.

The verb is prendre = to take.

Present tense of prendre:

• je prends
• tu prends
• il / elle prend
• nous prenons
• vous prenez
• ils / elles prennent

So:

• la maîtresse prend = the teacher takes

That is why there is no final -s in prend.

Because craie is a feminine singular noun, and here it means a / one chalk.

So:

• une craie = a piece of chalk / a chalk

Then autre means another:

• une autre craie = another piece of chalk

French usually needs an article here, just as English does with another.

Because in French, autre normally comes before the noun.

So:

• une autre craie = another piece of chalk

This word order is standard and natural in French.

Compare:

• un autre livre = another book
• une autre idée = another idea

Putting autre after the noun would sound wrong here.

Yes, craie is feminine, which is why the sentence uses une.

French nouns have grammatical gender, and you usually have to learn it with the noun:

• la craie
• une craie

There is not always a perfect rule that lets you guess the gender, so it is best to memorize nouns together with their article.

La dictée is a very common school activity in French: the teacher reads something aloud, and the students write it down.

So dictée is usually best understood as:

• dictation
• or more specifically a dictation exercise

This is a very familiar concept in French-speaking schools.

Devient comes from the verb devenir, which means to become.

Here:

• la dictée devient plus difficile = the dictation becomes more difficult

Present tense of devenir:

• je deviens
• tu deviens
• il / elle devient
• nous devenons
• vous devenez
• ils / elles deviennent

Because la dictée is she/it, the correct form is devient.

Plus difficile means more difficult.

French usually forms the comparative of adjectives with:

• plus = more
• adjective

So:

• difficile = difficult
• plus difficile = more difficult

Examples:

• plus grand = bigger / taller
• plus intéressant = more interesting
• plus difficile = more difficult

This is much like English more + adjective.

It actually agrees with la dictée, but the feminine singular form of difficile looks the same as the masculine singular form.

So:

• masculine singular: difficile
• feminine singular: difficile
• masculine plural: difficiles
• feminine plural: difficiles

In this sentence, la dictée is feminine singular, and difficile is already in the correct form.

Because this sentence is not explicitly comparing the dictation to a second thing stated in the sentence.

• plus difficile can simply mean more difficult
• If you say what it is more difficult than, you add que

For example:

• La dictée devient plus difficile. = The dictation becomes more difficult.
• La dictée devient plus difficile que la précédente. = The dictation becomes more difficult than the previous one.

So que is only needed when the second part of the comparison is stated.

The comma is mostly a punctuation choice. It separates two closely linked clauses:

• La maîtresse prend une autre craie
• et la dictée devient plus difficile

In French, a comma before et is possible when the writer wants a slight pause or wants to separate two full clauses clearly. It is not unusual here.

So the sentence could feel a bit more segmented or dramatic:

• the teacher takes another piece of chalk,
• and the dictation becomes more difficult.

Yes. This is a good word to treat carefully.

Depending on context, maîtresse can mean:

• a female teacher
• a woman in a position of authority or mastery
• a mistress, in the relationship sense

In this sentence, because we have craie and dictée, the school context is obvious, so la maîtresse clearly means the teacher.

But outside school contexts, you should not assume it always means teacher.

Yes. Both verbs are in the present tense:

• prend = takes
• devient = becomes

This present tense can describe:

• a scene happening now
• a general or narrative situation
• the action of a story being told in a vivid way

French often uses the present this way, just as English can:

• The teacher takes another piece of chalk, and the dictation becomes more difficult.

It can sound like a description of an ongoing classroom scene.