Pre-Algebra: Substitution

Front

What is substitution in algebra?

Back

Substitution is the process of replacing a variable with a number or another expression to evaluate an algebraic expression.

Front

Back

14

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.

Front

Back

12

Front

Back

6

Front

Back

66

Front

What is the first step in substitution?

Back

The first step is to identify the variable that needs to be replaced and the value it will be replaced with.

Front

Back

13

Front

Back

16

Front

Back

14