Order of Operations and Prime Factorization

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What is the Order of Operations?

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The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The acronym PEMDAS helps remember the order: 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

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16

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CCSS.6.EE.A.1

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What is Prime Factorization?

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Prime Factorization is the process of expressing a number as the product of its prime factors.

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What is the prime factorization of 60?

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45

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CCSS.6.EE.A.1

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43

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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Which of the following numbers is not a prime number: 2, 3, 4, 5?

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4 is not a prime number.

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CCSS.4.OA.B.4

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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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CCSS.4.OA.B.4

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List the first five prime numbers.

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2, 3, 5, 7, 11.

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CCSS.4.OA.B.4

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25.

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CCSS.7.EE.B.3