Two-Digit Subtraction with Regrouping

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 subtraction problem.

Front

How do you subtract two-digit numbers?

Back

To subtract two-digit numbers, align the numbers by place value, subtract the ones place first, and if necessary, regroup from the tens place.

Front

What is the difference between 50 and 2?

Back

The difference between 50 and 2 is 48.

Front

If you have 37 and subtract 29, what is the result?

Back

The result of 37 minus 29 is 8.

Front

What is the first step in solving a two-digit subtraction problem?

Back

The first step is to align the numbers by their place values (tens and ones) before performing the subtraction.

Front

Explain how to solve 46 - 28 using regrouping.

Back

To solve 46 - 28, you would regroup by borrowing 1 from the tens place, making it 36 - 28, which equals 18.

Front

What does it mean to find 'how many more' in a word problem?

Back

Finding 'how many more' means to subtract the smaller quantity from the larger quantity to determine the difference.

Front

What is a number sentence?

Back

A number sentence is a mathematical statement that includes numbers and an operation (like addition or subtraction) to express a relationship.

Front

How do you check your subtraction answer?

Back

To check your subtraction answer, you can add the difference to the smaller number to see if it equals the larger number.

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it helps to correctly align numbers and understand which digits to borrow from.