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 2a + 4b if a = 10 and b = 6.

Back

44

Tags

CCSS.6.EE.A.2C

Front

Evaluate 8a - b if a = 10 and b = 6.

Back

74

Tags

CCSS.6.EE.A.2C

Front

Evaluate (x + y) ÷ 2 if x = 14 and y = 6.

Back

10

Tags

CCSS.6.EE.A.2C

Front

Evaluate bc + 5a for a = 3, b = 4, c = 6.

Back

39

Tags

CCSS.6.EE.A.2C

Front

Evaluate 0.2t when t = 1.6.

Back

0.32

Tags

CCSS.6.EE.A.2C

Front

What is the value of a variable in an expression?

Back

The value of a variable is the number that it represents when substituted into an expression.

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).

Tags

CCSS.7.NS.A.3

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression. For example, in 3x, 3 is the coefficient.

Tags

CCSS.6.EE.A.2B