Double Digit Addition and Subtraction

Front

What is double digit addition?

Back

Double digit addition is the process of adding two numbers that each have two digits, such as 33 + 53.

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting one two-digit number from another, such as 56 - 30.

Front

What is the sum of 33 and 53?

Back

The sum of 33 and 53 is 86.

Front

What is the difference when you subtract 30 from 56?

Back

The difference when you subtract 30 from 56 is 26.

Front

What is 45 minus 36?

Back

45 minus 36 equals 9.

Front

What is the result of adding 27 and 52?

Back

The result of adding 27 and 52 is 79.

Front

What do you get when you add 41 and 47?

Back

When you add 41 and 47, you get 88.

Front

How do you carry over in addition?

Back

When the sum of the digits in a column is 10 or more, you carry over the extra value to the next column.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next column to subtract a larger digit from a smaller digit.

Front

What is a two-digit number?

Back

A two-digit number is any number that has two places, such as 10 to 99.