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 the variables with given numbers.

Tags

CCSS.6.EE.A.2C

Front

What is a variable in algebra?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change, such as the number 4 in the expression 3x + 4.

Tags

CCSS.6.EE.A.2B

Front

How do you substitute a value into an algebraic expression?

Back

To substitute a value, replace the variable in the expression with the given number and then perform the operations.

Tags

CCSS.6.EE.A.2C

Front

Evaluate: b² + 4 when b = 3.

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13

Tags

CCSS.6.EE.A.2C

Front

Evaluate: 2(a - 5) + 2 when a = 15.

Back

22

Tags

CCSS.6.EE.A.2C

Front

Evaluate: 6c - 1 + 5c when c = 2.

Back

21

Tags

CCSS.6.EE.A.2C

Front

Evaluate: 7c - 3 when c = 4.

Back

25

Tags

CCSS.6.EE.A.2C

Front

Identify the variables in the expression: 5p + 4h - 2.

Back

p, h

Tags

CCSS.6.EE.A.2B