Using substitution to evaluate expressions

Front

Evaluate 7y - 3y for y=2

Back

8

Front

Evaluate -2x if x = 10

Back

-20

Front

What is h decreased by 13?

Back

h - 13

Front

What is the variable in the expression y - 7?

Back

y

Front

Evaluate 6a - 3d when a = 1, d = 2

Back

0

Front

What is a variable in an expression?

Back

A symbol that represents an unknown value.

Front

What does it mean to evaluate an expression?

Back

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

Front

If x = 5, what is the value of 3x + 2?

Back

17

Front

What is the expression for 'x increased by 10'?

Back

x + 10

Front

Evaluate 4m - 2 when m = 3

Back

10