Addition or Subtraction?

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how much is left after something is taken away.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find their total.

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

7 apples (10 - 3 = 7). This is an example of subtraction.

Front

If you have 5 candies and you get 3 more, how many do you have now?

Back

8 candies (5 + 3 = 8). This is an example of addition.

Front

What does it mean to find the difference between two numbers?

Back

Finding the difference means using subtraction to see how much one number is greater or less than another.

Front

If Jane drove 400 miles on Tuesday and 542 miles on Thursday, how do you find out how many more miles she drove on Thursday?

Back

You subtract Tuesday's mileage from Thursday's mileage: 542 - 400 = 142 miles.

Front

Mr. Horton had 35 oreos and gave away 17. How do you find out how many he has left?

Back

You subtract the number of oreos given away from the total: 35 - 17 = 18 oreos.

Front

How do you find out how much bigger one number is than another?

Back

You subtract the smaller number from the larger number.

Front

If Amy's salary increased from $6.50 to $9.50, how do you find out how much her raise was?

Back

You subtract her old salary from her new salary: 9.50 - 6.50 = $3.00.

Front

What is the total number of books in the library after buying new ones?

Back

You add the number of books already in the library to the number of new books: 7,856 + 1,118 = 8,974 books.