Three Digit Subtraction

Front

What is the process of subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers, where one number is taken away from another.

Front

What is a three-digit number?

Back

A three-digit number is any number that has three digits, ranging from 100 to 999.

Front

How do you subtract two three-digit numbers?

Back

To subtract two three-digit numbers, align the numbers by their place values (hundreds, tens, and units) and subtract each column starting from the rightmost column.

Front

What is the difference between 634 and 192?

Back

The difference is 442, calculated by subtracting 192 from 634.

Front

How do you find how many more of one quantity there is than another?

Back

To find how many more of one quantity there is than another, subtract the smaller quantity from the larger quantity.

Front

What is the result of subtracting 238 from 309?

Back

The result is 71, which represents the number of girls who signed up for the baseball league.

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it ensures that digits are aligned correctly according to their value (hundreds, tens, units) for accurate calculations.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next higher place value when the top digit is smaller than the bottom digit in a column.

Front

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

Back

The result of a subtraction operation is called the 'difference'.

Front

How can you check your subtraction answer?

Back

You can check your subtraction answer by adding the difference to the smaller number; if it equals the larger number, your answer is correct.