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What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations but does not have an equality sign.

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CCSS.6.EE.A.1

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What does the term 'sum' indicate in a numerical expression?

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The term 'sum' indicates the operation of addition (+).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does the term 'difference' indicate in a numerical expression?

Back

The term 'difference' indicates the operation of subtraction (-).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does the term 'product' indicate in a numerical expression?

Back

The term 'product' indicates the operation of multiplication (x).

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does the term 'less than' indicate in a numerical expression?

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The term 'less than' indicates subtraction from a number.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

How would you express '4 less than the sum of 34 and 8' in numerical form?

Back

(34 + 8) - 4.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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How would you express 'four less than the difference of twenty-five and ten' in numerical form?

Back

(25 - 10) - 4.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

How would you express 'four less than the product of ten and eleven' in numerical form?

Back

(10 x 11) - 4.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the first step in solving a numerical expression?

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Identify the operations involved and the order in which they should be performed.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

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CCSS.7.NS.A.3