Evaluating Expressions

Front

Evaluate the expression: 2d + n for d = 2 and n = 3

Back

7

Front

Write an algebraic expression for '8 less than a number'.

Back

x - 8

Front

Evaluate the expression: 4y if y = 3

Back

12

Front

Evaluate the expression: 5n + 10 for n = 3

Back

25

Front

Evaluate the expression: 4r + 2 for r = 4

Back

18

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents an unknown value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).