Adding and Subtracting within 1000

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

What is the sum of 12 and 24?

Back

The sum of 12 and 24 is 36.

Front

What is the difference between 36 and 12?

Back

The difference between 36 and 12 is 24.

Front

If you have 100 and you subtract 25, what do you have left?

Back

You have 75 left.

Front

What does it mean to find the missing number in an equation?

Back

Finding the missing number means determining what number should be placed in the equation to make it true.

Front

What is a base ten block?

Back

A base ten block is a tool used to teach place value, addition, and subtraction, representing units, tens, and hundreds.

Front

What is the term for the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

What is the term for the result of a subtraction problem?

Back

The result of a subtraction problem is called the difference.

Front

If you have 5 apples and you add 3 more, how many apples do you have?

Back

You have 8 apples.