Numerical Expressions

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What is a numerical expression?

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A numerical expression is a mathematical phrase that includes numbers and operations (such as addition, subtraction, multiplication, and division) but does not include an equality sign.

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CCSS.6.EE.A.1

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How do you represent 'the sum of 14 and 12' in a numerical expression?

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You represent it as (14 + 12).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does '2 times the sum of 14 and 12' translate to in a numerical expression?

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It translates to 2 x (14 + 12).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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How do you express 'the difference of 7 and 3 times 4' in a numerical expression?

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It is expressed as (7 - 3) x 4.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What is the quotient of two numbers?

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The quotient is the result of dividing one number by another.

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CCSS.3.OA.A.2

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Which symbol represents the quotient in mathematical expressions?

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The symbol for quotient is ÷.

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CCSS.3.OA.A.2

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How do you express 'the quotient of 9 and 3 times 5' in a numerical expression?

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It is expressed as (9 ÷ 3) x 5.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does 'five times the difference of 6 and 2' translate to in a numerical expression?

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It translates to 5 x (6 - 2).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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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 operations are performed in a mathematical expression, typically remembered by the acronym PEMDAS (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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What is the first step in solving a numerical expression with parentheses?

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The first step is to perform the operations inside the parentheses.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2