Fifth Grade Order of Operations - HES

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What is the Order of Operations?

Back

The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

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CCSS.7.NS.A.3

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What does 'evaluate' mean in mathematics?

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To evaluate means to calculate the value of an expression by performing the operations in the correct order.

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CCSS.7.NS.A.3

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What is a numerical expression?

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A numerical expression is a mathematical phrase that includes numbers and operation symbols, but no variables. For example, 3 + 4 or 5 x 2.

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CCSS.6.EE.A.1

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What does 'product' mean?

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The product is the result of multiplying two or more numbers together.

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CCSS.3.OA.A.1

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What does 'sum' mean?

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The sum is the result of adding two or more numbers together.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does 'difference' mean?

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The difference is the result of subtracting one number from another.

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CCSS.5.NBT.B.7

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What does 'quotient' mean?

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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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How do you represent 'three times a number' in an expression?

Back

You represent 'three times a number' as 3x, where x is the number.

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CCSS.6.EE.B.6

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What is the first step in evaluating the expression 24 + 12 - 3 x 4?

Back

The first step is to perform the multiplication: 3 x 4 = 12.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the expression for 'six more than the product of one hundred five and forty-three'?

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The expression is 105 x 43 + 6.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2