+/- Story Problem w Variable

Front

What is a story problem?

Back

A story problem is a math problem presented in the form of a story or real-life scenario that requires solving for a number.

Front

What does '+' mean in math?

Back

The '+' symbol means to add two or more numbers together.

Front

What does '-' mean in math?

Back

The '-' symbol means to subtract one number from another.

Front

What is a variable in math?

Back

A variable is a symbol (often a letter) that represents an unknown number in an equation.

Front

How do you write a number sentence?

Back

A number sentence is a mathematical statement that includes numbers, operations, and an equal sign.

Front

If you have 7 apples and you buy 5 more, how many apples do you have?

Back

7 + 5 = 12 apples.

Front

If you have 15 cookies and eat 6, how many cookies are left?

Back

15 - 6 = 9 cookies left.

Front

What is the equation for finding how many items went missing if you started with 15 and ended with 9?

Back

15 - __ = 9.

Front

If you have 13 candies and give away some, leaving you with 6, how do you find out how many you gave away?

Back

13 - __ = 6.

Front

What is the solution to the equation 9 - 6?

Back

9 - 6 = 3.