6th Grade 2nd 9 weeks Test

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What is the order of operations in mathematics?

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The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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What is the mode of a set of numbers?

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The mode is the number that appears most frequently in a data set. A set can have one mode, more than one mode, or no mode at all.

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The answer is 165.

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What does it mean to round a number to the nearest tenth?

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Rounding to the nearest tenth means adjusting the number to one decimal place, based on the value of the hundredths place. If the hundredths digit is 5 or more, round up; if it's less than 5, round down.

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The answer is 172.55.

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How do you find the median of a set of numbers?

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To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

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What is the difference between mean and median?

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The mean is the average of a set of numbers, calculated by adding all the numbers and dividing by the count. The median is the middle value when the numbers are arranged in order.

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The answer is 5.

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What is a prime number?

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A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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What is the definition of a fraction?

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