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 algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables into the expression and perform the operations to find a numerical result.

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression: 0.2t when t = 1.6

Back

0.32

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression: (x + y) ÷ 2 when x = 14 and y = 6

Back

10

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression: 8a - b when a = 10 and b = 6

Back

74

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression: 4y when y = 3

Back

12

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression: 28/m when m = 4

Back

7

Tags

CCSS.6.EE.A.2C

Front

What is the value of x in the expression 5x = 25?

Back

5

Tags

CCSS.6.EE.B.7

Front

What is the order of operations used in evaluating expressions?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often remembered by the acronym PEMDAS.

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