Solving one step Addition and subtraction equations

Front

What is an equation?

Back

A problem showing two expressions are equal.

Front

Solve for n: 2 + n = 16

Back

n = 14

Front

Solve for x: x - 15 = -20

Back

x = -5

Front

What equation matches this situation? Robyn had some video games then bought 4 more. Now she has a total of 10 games.

Back

v + 4 = 10

Front

Solve for z: 12 + z = -15

Back

z = -27

Front

What is a variable in an equation?

Back

A symbol (often a letter) that represents an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

If x + 5 = 12, what is x?

Back

x = 7

Front

If y - 3 = 10, what is y?

Back

y = 13

Front

What is the first step to solve the equation x + 8 = 15?

Back

Subtract 8 from both sides.