5OA2 Evaluate Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables (like x or y), and operations (like addition, subtraction, multiplication, and division).

Tags

CCSS.6.EE.A.2B

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables and performing the operations.

Tags

CCSS.6.EE.A.2C

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

Evaluate: 1 x 7 - (2 x 3) + 6

Back

7

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Evaluate: 23 - (30 ÷ 10) x 4

Back

11

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CCSS.7.NS.A.3

Front

Evaluate the expression (h - 6) + h ÷ 6; h = 6

Back

1

Tags

CCSS.6.EE.A.2C

Front

Evaluate: 3 + 9 - 2 x 5

Back

2

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Evaluate: (11 - 3) x 4 ÷ 2

Back

16

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Tags

CCSS.6.EE.A.2B

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, such as the number 5 in the expression 3x + 5.

Tags

CCSS.6.EE.A.2B