Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, such as 23 + 45.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, such as 100 - 45.

Front

What is the sum of 639 and 199?

Back

838

Front

What is the difference when you subtract 251 from 1,020?

Back

769

Front

What is 398 minus 99?

Back

299

Front

What do you get when you add 5,945 and 322?

Back

6,267

Front

What is 2,000 minus 111?

Back

1,889

Front

What is the first step in multi-digit addition?

Back

Line up the numbers by their place values (ones, tens, hundreds).

Front

What is the first step in multi-digit subtraction?

Back

Line up the numbers by their place values (ones, tens, hundreds).

Front

What do you do if a digit in subtraction is larger than the digit above it?

Back

You need to borrow from the next left digit.