3.OA.8

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find the total. It shows how many there are altogether.

Front

What does the symbol '-' mean?

Back

The '-' symbol means to subtract or take away.

Front

What does the symbol '+' mean?

Back

The '+' symbol means to add or combine.

Front

If you have 11 apples and you give away 3, how many do you have left?

Back

11 - 3 = 8 apples left.

Front

If you have 16 candies and you eat 7, how many candies do you have left?

Back

16 - 7 = 9 candies left.

Front

If a chef uses 4 potatoes and then 5 more, how many potatoes did he use in total?

Back

4 + 5 = 9 potatoes used.

Front

If you draw 2 superheroes on one side and 7 on the other, how many superheroes did you draw in total?

Back

2 + 7 = 9 superheroes drawn.

Front

If Frank rode the ferris wheel 7 times and 3 of those were during the day, how many times did he ride it at night?

Back

7 - 3 = 4 times at night.

Front

What is the total when you add 2 and 7?

Back

2 + 7 = 9.