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Muslims learned this way of writing numbers along Indian scholars Arabic numerals were a big help to business and trade.

we still use Arabic numerals to day.

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This is one example of the interior of an Islamic building:

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A mathematician named AL-khwarizmi translated a book that helped to popularize Arabic numerals in Europe.

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This is one example of a Mosque, a building where Muslims pray:

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They translated important text from Greece and India and added their own contributions.

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The compasses and astrolabes helped the Muslims locate the direction of Makkah. The muslims also used the astrolabe to navigate.The compasses helped people identify where they were going and the astrolabe allowed sailors use the position of objects in the sky to pinpoint their location.

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Muslims have a very specific type of Architecture. One very important building is the mosque. A mosque is made up of a minaret or tower, that has a balcony where Muslims pray. There are many styles and designs that go into Islamic Architecture.
One example of an Islamic building, that has a minaret:

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Al-Khwarizmi was a mathematician and astronomer. He is known as "the father of algebra". Algebra is used to solve problems involving unknown numbers. In the equation "7x+4=25" algebra can help us figure out that in this equation , x=3. Al-Khwarizmi wrote a book on algebra that was translated into Latin in the 12th century. It became the most important mathematics text in European universities.

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Muslims greatly advanced the study of mathematics.

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Calligraphy when Muslims began copying the Quran, they felt that only calligraphy was worthy to record the words of god.
Art they use calligraphy was used to decorate books, vases and tiles.