Add and Sub Multi-Digit Numbers

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 taking one number away from another.

Front

What do we call the numbers we add together?

Back

The numbers we add together are called addends.

Front

What is the result of an addition called?

Back

The result of an addition is called the sum.

Front

What is the result of a subtraction called?

Back

The result of a subtraction is called the difference.

Front

How do you add multi-digit numbers?

Back

To add multi-digit numbers, align the numbers by place value and add each column starting from the right.

Front

What is carrying in addition?

Back

Carrying is when the sum of a column is greater than 9, and you move the extra value to the next column.

Front

What is borrowing in subtraction?

Back

Borrowing is when you take 1 from the next column to help subtract when the top number is smaller than the bottom number.

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number.

Front

What is the place value of 5 in the number 345?

Back

In the number 345, the place value of 5 is 40 because it is in the tens place.