Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

If you have 70 balloons and 32 are red, how do you find out how many are green?

Back

You subtract the number of red balloons from the total number of balloons: 70 - 32 = 38 green balloons.

Front

Cindy and Paul ate 6 cookies each. How many cookies did they eat together?

Back

They ate 6 + 6 = 12 cookies together.

Front

How do you find the total number of cookies Cindy and Paul brought to school?

Back

You add the cookies they each had after eating: (41 + 38 - 12) = 67 cookies.

Front

What does it mean to give something away in a word problem?

Back

It means to subtract the amount given from the total amount you originally had.

Front

If Beth has 74 crayons and gives away 25, how do you find out how many she has left?

Back

You subtract the number of crayons given away from the total: 74 - 25 = 49 crayons left.

Front

What is the first step to solve a word problem?

Back

Read the problem carefully to understand what is being asked.

Front

If there are 38 books and 26 more are added, how do you find the new total?

Back

You add the number of books added to the original number: 38 + 26 = 64 books.

Front

What is the total number of birds if 29 are already in the tree and more fly up to make 100?

Back

You subtract the number of birds already in the tree from the total: 100 - 29 = 71 more birds flew up.