6th Grade 2nd 9 weeks Test

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What is the order of operations in mathematics?

Back

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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CCSS.7.NS.A.3

Front

What is the mode of a set of numbers?

Back

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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CCSS.6.SP.B.5C

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Back

The answer is 165.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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

Back

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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CCSS.5.NBT.A.4

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Back

The answer is 172.55.

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CCSS.6.NS.B.3

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

Back

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.

Tags

CCSS.6.SP.B.5C

Front

What is the difference between mean and median?

Back

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.

Tags

CCSS.6.SP.B.5C

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Back

The answer is 5.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What is a prime number?

Back

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

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CCSS.4.OA.B.4

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What is the definition of a fraction?

Back

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B