She studies mathematics.

Source: Tatoeba

Are you good at mathematics?

Are you good at math?

Are you good in math?

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He is very good at math.

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Tom isn't good at math.

Tom is not good at math.

Tom is bad at math.

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I am not good at mathematics.

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I am good at math.

I'm good at math.

I'm good at mathematics.

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They're in math class.

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He is terrible at math.

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He is a tutor for the math department.

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Mathematicians love to prove things.

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Mathematics is difficult for me.

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He is a mathematical genius.

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She is inferior to him in math.

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Mathematics is his strongest subject.

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There is no Nobel Prize in mathematics.

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Maths is taught on Tuesdays.

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There will be a math test tomorrow.

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He is good at solving complicated mathematical problems.

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I am very talented at maths.

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This is a difficult math problem.

Source: Tatoeba