Writing Numerical Expressions

Front

What is a numerical expression?

Back

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

Tags

CCSS.6.EE.A.1

Front

How do you represent '4 times the sum of 34 and 8' in numerical expression?

Back

4 × (34 + 8)

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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 a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

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CCSS.7.NS.A.3

Front

How would you solve the expression 3 – (5 × 6)?

Back

First, calculate the multiplication: 5 × 6 = 30. Then, subtract: 3 - 30 = -27.

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CCSS.7.NS.A.3

Front

What does 'the product of 6 and 8, divided by 4' look like as a numerical expression?

Back

(6 × 8) ÷ 4

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

How do you express '5 times the difference between 54 and 49' in numerical form?

Back

5 × (54 – 49)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of the expression (9 + 5) × 2?

Back

(9 + 5) × 2 = 14 × 2 = 28.

Tags

CCSS.5.OA.A.2

CCSS.5.OA.A.1

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and operations without an equal sign, while an equation is a statement that two expressions are equal, containing an equal sign.

Tags

CCSS.6.EE.A.4

Front

How do you express 'the sum of 9 and 5, doubled' in numerical form?

Back

(9 + 5) × 2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the meaning of 'the difference' in mathematics?

Back

The difference refers to the result of subtracting one number from another.

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CCSS.5.NBT.B.7