Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, such as 324 + 625.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, such as 843 - 731.

Front

What is the sum of 324 and 625?

Back

The sum of 324 and 625 is 949.

Front

What is the difference when you subtract 731 from 843?

Back

The difference is 112.

Front

What is the sum of 456 and 112?

Back

The sum is 568.

Front

What is the difference when you subtract 915 from 928?

Back

The difference is 13.

Front

What is the sum of 532 and 231?

Back

The sum is 763.

Front

What do you call the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

What do you call the result of a subtraction problem?

Back

The result of a subtraction problem is called the difference.

Front

How do you line up numbers for addition?

Back

You line up numbers by placing them in columns according to their place values (ones, tens, hundreds).