Double Digit Subtraction in your head

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting numbers that have two digits, such as 24 - 10 or 72 - 10.

Front

What is the result of 24 - 10?

Back

14

Front

What is the result of 72 - 10?

Back

62

Front

What is the result of 50 - 25?

Back

25

Front

What is the result of 100 - 10?

Back

90

Front

What is the result of 42 - 32?

Back

10

Front

How do you subtract 10 from a number?

Back

To subtract 10 from a number, simply take away 1 from the tens place and keep the units place the same.

Front

What is the difference between 50 and 25?

Back

The difference between 50 and 25 is 25.

Front

If you have 72 and you take away 10, how much do you have left?

Back

If you take away 10 from 72, you have 62 left.

Front

What is the first step in double digit subtraction?

Back

The first step is to line up the numbers vertically by their place values.