3 digit addition and subtraction with and without regrouping

Front

What is regrouping in addition and subtraction?

Back

Regrouping is the process of carrying over or borrowing numbers when performing addition or subtraction, especially when the sum or difference exceeds the value of a single digit.

Front

How do you perform 3-digit addition without regrouping?

Back

To perform 3-digit addition without regrouping, align the numbers by place value (hundreds, tens, units) and add each column starting from the rightmost column, ensuring that the sum of each column is less than 10.

Front

How do you perform 3-digit subtraction without regrouping?

Back

To perform 3-digit subtraction without regrouping, align the numbers by place value and subtract each column starting from the rightmost column, ensuring that the top number is greater than or equal to the bottom number in each column.

Front

What is the result of 721 - 96?

Back

The result of 721 - 96 is 625.

Front

What is the result of 429 + 385?

Back

The result of 429 + 385 is 814.

Front

What is the result of 217 - 98?

Back

The result of 217 - 98 is 119.

Front

How do you find the difference between two numbers in a word problem?

Back

To find the difference, identify the two quantities being compared, subtract the smaller number from the larger number, and express the result in the context of the problem.

Front

If Ms. Midgette has read 329 pages and Ms. Fortin has read 276 pages, how do you calculate how many more pages Ms. Midgette has read?

Back

Subtract the number of pages Ms. Fortin has read from the number of pages Ms. Midgette has read: 329 - 276 = 53 more pages.

Front

What is the result of 246 + 65?

Back

The result of 246 + 65 is 311.

Front

What is the importance of place value in addition and subtraction?

Back

Place value is crucial in addition and subtraction as it determines the value of each digit based on its position, ensuring accurate calculations.