Evaluating Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

Write an algebraic expression for 'the quotient of a number and 4'.

Back

n / 4

Tags

CCSS.6.EE.A.2A

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

Evaluate 3x - 7 if x = 6.

Back

11

Tags

CCSS.6.EE.A.2C

Front

Evaluate 2a - b if a = 6 and b = 1.

Back

11

Tags

CCSS.6.EE.A.2C

Front

Evaluate 3d if d = 5.

Back

15

Tags

CCSS.6.EE.A.2C

Front

Evaluate y + 17 if y = 11.

Back

28

Tags

CCSS.6.EE.A.2C

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Tags

CCSS.6.EE.A.2B

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