Multi-Digit Addition and Subtraction

Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, such as 34 + 27.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, such as 85 - 29.

Front

How do you add multi-digit numbers?

Back

Align the numbers by place value (ones, tens, hundreds) and add each column starting from the right.

Front

How do you subtract multi-digit numbers?

Back

Align the numbers by place value and subtract each column starting from the right, borrowing if necessary.

Front

What is the sum of 61,279 and 34,598?

Back

The sum is 95,877.

Front

What is the difference when you subtract 529 from 817?

Back

The difference is 288.

Front

If Danny has 297 marbles and buys 468 more, how many does he have now?

Back

Danny has 765 marbles.

Front

Is 113 + 78 equal to 191?

Back

Yes, 113 + 78 equals 191.

Front

What is the value of n in the equation 44 + 18 = n + 12?

Back

n is 50.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is taking 1 from the next left column to help subtract when the top number is smaller than the bottom number.